Complete tool, tool chuck, and additive balancing method and balancing device for balancing same

Abstract

The invention relates to an additive balancing method for balancing complete tools (50a-b; 50d) and / or tool chucks (14a-b, 14'a-b; 14d, 14'd). In at least one step (10a-d), an at least partially liquid balancing mass (16a-d) and / or a balancing mass in the form of a plastically deformable modelling mass is automatically introduced into one or more recesses (18a-d, 18'a-d) of the complete tool (50a-b; 50d) and / or of the tool chuck (14a-b, 14'a-b; 14d, 14'd) or a balancing ring (28c, 28'c) which can be connected to the complete tool (50a-b; 50d) and / or the tool chuck (14a-b, 14'a-b; 14d, 14'd), said recesses being provided specially for the balancing mass, and in at least one other step (20a-d), the introduced balancing mass (16a-d) is cured and / or solidified in the recess(es) (18a-d, 18'a-d).

Description

[0001] Complete tool, tool chuck and additive balancing process as well as balancing device for their balancing

[0002] State of the art

[0003] The invention relates to a balancing method according to the preamble of claim 1, a balancing device according to the preamble of claim 11, a complete tool or tool chuck according to claim 12 and a balancing ring according to claim 13.

[0004] Additive balancing methods for balancing tool assemblies and / or tool chucks have already been proposed. These typically involve screwing balancing screws of different weights into designated threaded holes or applying balancing rings with uneven mass distribution.

[0005] The object of the invention is, in particular, to provide a generic method with advantageous properties for balancing tool assemblies and / or tool chucks. This object is achieved according to the invention by the features of the independent patent claims, while advantageous embodiments and further developments of the invention can be found in the subclaims.

[0006] Advantages of the invention

[0007] The invention is based on an additive balancing method for balancing complete tools, such as grinding wheels, and / or tool chucks. It is proposed that, in at least one method step, a balancing mass that is at least partially liquid and / or in the form of plastically deformable modeling mass is mechanically introduced into one or more specially provided recesses in the complete tool and / or the tool chuck or in a balancing ring that can be connected to the complete tool and / or the tool chuck, and that, in at least one further method step, the introduced balancing mass hardens and / or solidifies in the recess(es). This advantageously enables simple, rapid and / or precise balancing of complete tools and / or tool chucks. Advantageously, automation of a balancing process can be simplified.Advantageously, an automated balancing process can be enabled that does not involve irreversible material removal and does not require screwing in balancing screws. In particular, the ability to eliminate material removal allows for repeated balancing of tool chucks with different tool configurations and / or of assemblies that have been dismantled in the meantime without causing wear on the tool chucks.

[0008] In particular, in an additive balancing process, the concentricity, oscillation, and / or vibration of tool chucks and / or tool assemblies are optimized by the location-dependent addition of mass. A "tool chuck" is to be understood in particular as a component that is intended to hold a tool and to connect the tool to a machine. In particular, the tool chuck is designed as an interface between the tool and the machine. For example, the tool chuck can be designed as a shrink-fit chuck, a hydraulic expansion chuck, a press chuck, a collet chuck, or the like. The tool chuck balanced by this process can be equipped with a tool or unequipped. The tools are designed in particular as cutting tools for use on CNC machines.For example, the tools can be designed as shank tools, preferably as rotary shank tools, for example drills, milling cutters, profile tools and / or reamers, and / or as grinding wheels, wherein preferably a shank of the shank tools is provided for mounting in a tool holder. Furthermore, the balancing method is intended for complete tools, i.e. in particular fixed combinations of tool and tool holder. The tool chuck and / or the complete tool is designed in particular free of threaded holes, preferably free of threaded holes provided for the mounting of balancing screws. “Provided” should be understood in particular to mean specially programmed, designed and / or equipped. The fact that an object is intended for a specific function should be understood in particular to mean that the object fulfills and / or performs this specific function in at least one application and / or operating state.

[0009] The balancing mass can be in the form of (among other things) a liquid, an emulsion, or a suspension. The modeling mass can be shaped like modeling clay. The balancing mass preferably has at least one flowable and / or modelable state of aggregation that is preferably easy to handle and / or easy to produce. The balancing mass can preferably be converted into a liquid and / or easily plastically deformable / modelable state by heating, in particular from a previously solid state. The balancing mass preferably hardens independently after being introduced into the recess, e.g. through contact with air, cooling, a chemical reaction with a chemical component external to or internal to the balancing mass, or a reaction with external radiation, e.g. UV light. Hardening can occur through a chemical reaction.The balancing mass preferably solidifies automatically after being introduced into the recess, e.g. through cooling. Cooling can occur through simple heat exchange with the environment (passively) or can be supported by active cooling / active heat dissipation. In particular, the balancing mass can be designed to mesh with a projection within the recess, at least in solidified and / or hardened form. This can advantageously prevent the balancing mass from falling out and / or becoming loose, for example during rotary operation of the tool assembly and / or the tool chuck, in particular at high speeds. The recess forms, in particular, a balancing mass receiving recess. The recess can be arranged on an outer side of a shank receiving cone / clamping area of ​​the tool chuck and / or the tool assembly.The recess can be arranged in a flat surface of the tool chuck and / or the tool assembly between a gripper groove of the tool chuck and the clamping area of ​​the tool chuck and / or the tool assembly. The recess is milled or turned into a base material of the tool chuck and / or the tool assembly. In particular, the balancing mass is introduced into the recess in such a way that it does not protrude beyond an edge of the recess. In particular, the hardened and / or solidified balancing mass does not protrude beyond a recess edge delimiting a recess opening. In particular, the balancing mass can be anchored in the recess, e.g., by a material-to-material connection with recess walls, or can be arranged so as to be movable in the recess, e.g., movable along a circumferential direction of the recess (keyword: dynamic balancing).

[0010] The balancing ring is in particular designed as an annular sleeve. The balancing ring itself is in particular designed symmetrically. The balancing ring itself preferably has an imbalance of zero or at least close to zero. The balancing ring can preferably be connected to the tool chuck or the complete tool by being slipped over a partial area of ​​the tool chuck or the complete tool, for example the clamping area of ​​the tool chuck. The balancing ring is preferably pressed onto the tool chuck or the complete tool. It is further proposed that the hardened and / or solidified balancing mass be designed such that it can be removed from the recess(es) at least essentially without leaving any residue. This advantageously enables repeated balancing of, for example, complete tools that have been dismantled in the meantime and / or of newly equipped tool chucks.Advantageously, a high degree of flexibility can be achieved. Advantageously, a long service life of the tool chucks and / or tool assemblies can be achieved. The proposed additive balancing process is advantageously non-destructive / damage-free for the tool assemblies / tool ​​chucks. "Essentially residue-free removal" is understood in particular to mean that after the balancing mass has been removed, the recesses are fully functional again, meaning, for example, that an identical amount of balancing mass can be easily reinserted into them. Advantageously, the tool chuck and / or tool assemblies are free of macroscopic balancing mass particles after the balancing mass has been removed.In particular, the solidified and / or hardened balancing mass is removed from the depression(s) in a process step in which the balancing mass is removed from the depression(s), by scraping it out of the depression(s), by at least partially softening and / or running out of the depression(s), and / or by another conceivable removal method. It is conceivable that the balancing mass is reheated (and possibly partially liquefied) before being removed from the depression(s), or that the balancing mass is removed from the depression(s) without prior heating.

[0011] In particular, the balancing mass has a density of at least 1.5 g / mm 3 , preferably at least 2 g / mm 3 , preferably at least 4 g / mm 3 and particularly preferably at least 7 g / mm 3This advantageously enables particularly efficient balancing of tool chucks and / or tool assemblies. This advantageously achieves an optimal ratio between space requirements and balancing requirements. A recess a few millimeters deep can be sufficient to correct a typical imbalance in a tool chuck and / or tool assemblies using the balancing mass.

[0012] If the balancing mass is designed as a solder, in particular a soft solder, a good hold of the balancing mass by adhering to a metal surface of the tool chuck and / or the complete tool and / or a high balancing mass density can be achieved. In addition, a simple and reliably controllable change between solid and liquid and / or moldable state can be achieved. Furthermore, liquefaction of the balancing mass, in particular making the balancing mass at least partially liquid and / or designed as a plastically deformable modeling mass, can be advantageously enabled by induction heating. Known soldering robots can advantageously be used. For example, the solder could be made of a tin-zinc-silver alloy. In this exemplary case, the solder could have a density of approximately 7.14 g / m 3Advantageously, a solder, in particular a soft solder in the form of a (solid-state) solder wire, e.g. with a diameter of 0.2 mm to 3 mm, can be fed to the respective recess and melted directly there. This enables particularly simple provision of the balancing mass, which is at least partially liquid and / or in the form of a plastically deformable modeling mass. In addition, advantageously, simple, preferably easily automated, removal of the balancing mass can be enabled, in particular by reheating the balancing mass arranged in the respective recess. Advantageously, no chemicals are required when using solder as the balancing mass. In addition, a solder, in particular a soft solder alloy, can be acquired comparatively inexpensively and / or is easy to store.In addition, a particularly precise dosing of the balancing mass and thus preferably continuous balancing can be achieved advantageously via a solder wire feeder. Furthermore, it is proposed that, in at least one further method step, the solder be mechanically melted in a region close to the recess(es). This advantageously enables particularly fast and / or clean balancing. In particular, the solder is mechanically melted by a soldering robot and introduced into the recess(es). In particular, the solder robot comprises at least one soldering iron or a (soldering) induction coil and at least one solder wire feeder.In this context, a "near area" should be understood in particular as a spatial area consisting of points that are all no further away from the depression or one of the depressions than twice the depth of the depression, preferably the depth of the depression and preferably half the depth of the depression. In particular, the tool chuck, the complete tool or the balancing ring can have just a single depression for receiving balancing mass or a plurality of depressions for receiving balancing mass. To remove the balancing mass, in particular the solder, the balancing ring can be removed from the tool chuck and heated externally to melt the solder. If the solder is melted in this process step by means of the soldering iron with the blunt tip or by the induction coil, particularly clean working can be achieved.Advantageously, softening of the solder can be achieved directly at the opening of the respective recess. Furthermore, high speed can be achieved, particularly since it allows for direct and rapid energy input into the solder.

[0013] As an alternative to solder, it is proposed that the balancing mass be made from a hardening plastic. This advantageously makes it possible to achieve cost-effectiveness. In addition, good deformability and / or modelability can be achieved. Advantageously, production and / or use of a balancing mass can be enabled without the need to heat or temperature-control the balancing mass. This advantageously makes it possible to achieve a high level of safety, in particular operator safety. In particular, the plastic can be made from a plastic that hardens in air or from a plastic that hardens by means of a reaction with another substance other than air or by means of a reaction with radiation (e.g. UV radiation). Alternatively or additionally, the plastic can be made from a thermoplastic. The introduction and / or removal of thermoplastics can advantageously be assisted by heating.For example, the plastic could be a PTFE plastic or a PA12 plastic. If the balancing mass is a two-component plastic, in particular a two-component adhesive and / or a two-component epoxy resin, the curing process can advantageously be controlled in a particularly targeted manner. For example, the two individual components of the two-component plastic could be introduced into the recess using separate devices and / or nozzles and then cure through contact with one another in the recess. For example, an automated piston dosing device or a jet valve system suitable for jetting can be used to introduce the two-component plastic. The density of plastics, which tend to be lighter, could be increased by adding / mixing heavy, for example metallic, particles to the balancing mass, in particular to achieve the densities mentioned above.

[0014] Furthermore, it is proposed that the balancing mass be introduced into the recess from a radial direction of the complete tool and / or the tool chuck, in particular by injection via nozzles. This advantageously enables a particularly simple and / or uncomplicated balancing mass insertion process. In particular, the recess in this case is only open in the radial direction. In particular, the recess in this case is arranged on a radial outer circumferential surface of the complete tool, the tool chuck, and / or the balancing ring.

[0015] Alternatively, it is proposed that the balancing mass be introduced into the recess from an axial direction of the complete tool, the tool chuck, and / or the balancing ring, preferably from above / parallel to a direction of gravity, in particular by injection via nozzles. This advantageously prevents the not yet fully hardened and / or solidified balancing mass from falling out or running out. Furthermore, centrifugal forces can advantageously prevent the balancing mass from being thrown out of the recess.

[0016] Furthermore, it is proposed that, in at least one method step, an imbalance of the complete tool and / or the tool chuck is determined mechanically, and based on the determined imbalance, in at least one further method step, a quantity of balancing mass required to eliminate the imbalance and / or an optimal distribution of the balancing mass to eliminate the imbalance is determined mechanically within at least one of the recesses or across several recesses of the complete tool, the tool chuck and / or the balancing ring that are spaced apart from one another in the axial direction and / or in the circumferential direction of the complete tool, the tool chuck and / or the balancing ring and are designed separately from one another and are specifically provided for this purpose. This advantageously makes it possible to achieve particularly precise, rapid and / or simple balancing of the complete tools and / or tool chucks.The unbalance can be determined mechanically, for example, by rotating the complete tool and / or the tool chuck, e.g., by a rotation unit of the balancing device, such as a turntable with a holding unit for complete tools and / or the tool chuck. The rotational forces can be measured mechanically by a sensor device of the balancing device, e.g., comprising two or more acceleration and / or force sensors, and the unbalance can be determined mechanically by a control and / or regulating unit of the balancing device. Based on the determined unbalance, the control and / or regulating unit then preferably determines the quantity and / or distribution of the balancing mass mechanically. A “control and / or regulating unit” is to be understood, in particular, as a unit with at least one control electronics unit.The term “control electronics” is to be understood in particular as a unit with at least one processor and with a memory unit as well as with an operating program stored in the memory unit.

[0017] In addition, it is proposed that, in at least one further method step, the balancing mass that has hardened and / or solidified in the depression(s) is used for dynamic balancing, wherein the balancing mass preferably positions itself automatically within the depression(s) due to the effect of rotational centrifugal forces. This can advantageously enable a particularly precise and / or particularly simple balancing process. In particular, the balancing mass could be subsequently detached from the walls of the depression for this purpose. Alternatively, the hardened and / or solidified balancing mass can already be designed in such a way that it does not form a strong material bond with the walls of the depression from the outset.In particular, a recess suitable for dynamic balancing extends over at least a quarter and preferably at least a half of the entire outer circumference of the tool chuck, the complete tool, or the balancing ring in which the recess is arranged. Particularly preferably, the recess suitable for dynamic balancing, preferably in a groove shape, extends over the entire outer circumference of the tool chuck, the complete tool, or the balancing ring in which the recess is arranged.

[0018] Furthermore, it is conceivable that at least the process step in which the balancing mass is introduced, in particular in a metered manner, into the recess is repeated for a complete tool that has already been balanced using the additive balancing process and subsequently disassembled and reassembled, and / or for a tool chuck that has already been balanced using the additive balancing process and equipped with a newly adjusted and / or modified tool or with a different tool. This advantageously allows for a high degree of flexibility. Advantageously, a high degree of operational readiness for complete tools and / or tool chucks can be achieved.

[0019] It is also proposed that in at least one further method step taking place after the balancing mass has been introduced into the depression(s) and before the balancing mass has hardened and / or solidified, at least one solid mass element, for example a tube, rod, sphere, block, cube or the like, is introduced into the balancing mass, which then bonds integrally with the balancing mass as the balancing mass hardens and / or solidifies. This advantageously enables particularly precise balancing. Advantageously, even larger imbalances can be corrected using the additive balancing process. Advantageously, the space required for the balancing mass can be kept to a minimum. Advantageously, the consumption of balancing mass can be kept to a minimum. Advantageously, even smaller depressions can be used effectively for the additive balancing process.In addition, this can advantageously enable the sensible use of balancing masses with a low density, for example a density below 2 g / m. 3 or below 1 g / m 3, be made possible. The solid mass element preferably has a density which is greater than the density of the balancing mass. In particular, the density of the solid mass element is at least 50% greater, preferably at least twice as great and particularly preferably at least three times as great as the density of the balancing mass. The solid mass element is preferably used in combination with the plastic balancing mass. The solid mass element can, for example, be made of a metal such as steel, lead, copper, nickel, silver or another metal. Alternatively, the solid mass element could also be made of rock, e.g. granite. It is also conceivable for the solid mass element to already have a prefabricated tool element which, when the balancing mass is in its hardened and / or solidified state, allows the combination of balancing mass and solid mass element to be unscrewed."Materially bonded" is understood in particular to mean that the mass parts are held together by atomic or molecular forces. It is conceivable that more than one solid mass element could be incorporated into a balancing mass filling a recess.

[0020] Furthermore, a balancing device for carrying out the additive balancing method for balancing complete tools and / or tool chucks is proposed, comprising at least one balancing mass application unit, which is at least intended to mechanically introduce the balancing mass, which is at least partially liquid and / or formed as a plastically deformable modeling mass and subsequently hardens and / or solidifies, into one or more recesses, in particular originally already present, specifically provided for this purpose in the complete tool and / or the tool chuck or in a balancing ring connectable to the complete tool and / or the tool chuck. This advantageously enables particularly precise, fast, simple and / or cost-effective balancing.

[0021] If the balancing mass application unit comprises a soldering robot, simple, precise, fast, and / or reliable balancing can advantageously be achieved using the balancing mass. In particular, the balancing mass application unit, preferably the soldering robot, comprises a solder feeder, in particular a solder wire feeder, which is designed to feed a used solder wire. Alternatively or additionally, the balancing mass application unit can comprise a nozzle arrangement, for example, for dispensing the plastic balancing mass or the two components of the two-component plastic balancing mass.

[0022] If the balancing mass application unit is provided for removing previously applied balancing mass, a high degree of flexibility can be advantageously achieved. A high degree of compactness can also be advantageously achieved. For this purpose, the balancing mass application unit could, for example, have a heating unit that can at least partially soften the balancing mass that has hardened and / or solidified in the recess. Furthermore, the balancing mass application unit could have a scraper for scraping the balancing mass out of the recess, a suction device for sucking the balancing mass out of the recess, or a screwdriver for connecting to the tool surface of the balancing mass or the solid mass element.

[0023] Furthermore, it is conceivable for the balancing device to include at least the rotation unit for mechanically determining the imbalance of the tool assembly and / or the tool chuck. This advantageously allows for efficient and / or precise balancing of the tool assembly and / or tool chuck.

[0024] Furthermore, it is conceivable that at least the control and / or regulating unit is provided to create a balancing program for the balancing mass application unit based on the imbalance data acquired by the rotation unit. This program includes, in particular, the amount of balancing mass required to eliminate the imbalance and / or the optimal distribution of the balancing mass across several recesses of the complete tool and / or the tool chuck to eliminate the imbalance. This advantageously enables particularly precise, fast, simple, and / or cost-effective balancing.

[0025] Furthermore, a tool assembly, a tool chuck, or a balancing ring for a tool assembly and / or a tool chuck, each provided for carrying out the additive balancing method described above, is proposed, wherein the tool assembly, the tool chuck, or the balancing ring each has at least one recess specifically provided and / or designed for the introduction of balancing mass. This advantageously makes it possible to create an additively balanceable tool chuck or tool assembly, which preferably does not require the complicated assembly of balancing screws or the like. Advantageously, additive balancing of particularly small tool chucks or tool assemblies can be enabled, in particular also of those that otherwise have no space for threaded holes for balancing screws. Advantageously, particularly simple balancing can be enabled. Advantageously, automation of the balancing process can be simplified.Advantageously, reversible balancing can be enabled. In particular, the recesses are designed differently from a gripper groove, which is intended for gripping the complete tool, tool chuck, or balancing ring. In particular, none of the recesses of a tool chuck or complete tool specifically intended for the balancing mass are intended for a purpose other than holding liquid and / or moldable balancing mass.

[0026] If the tool assembly, the tool chuck, and / or the balancing ring has at least one further recess formed separately from the recess and specifically intended for the introduction of balancing mass, particularly precise balancing can advantageously be enabled. The further recess can be shaped and / or dimensioned at least substantially identically to the recess or differently than the recess. In particular, the recess and the further recess are milled or turned into the base material of the tool chuck, tool assembly, or balancing ring, or are already printed into the tool chuck, tool assembly, or preferably the balancing ring during production using a stereolithography process.

[0027] If the recess and the further recess are arranged one above the other in the complete tool, tool chuck or balancing ring, viewed in the direction of an intended axis of rotation of the complete tool, tool chuck or balancing ring, this can advantageously enable particularly precise and simple metering of the balancing mass. In particular, the recess and the further recess run parallel to one another, in particular in the circumferential direction around the axis of rotation. The recesses can be arranged directly one above the other or offset from one another by an angle. Alternatively or additionally, it is conceivable, particularly when the recesses are arranged on a flat surface of the tool chuck or the balancing ring or the complete tool, for the recesses to describe concentric circular paths lying one within the other.

[0028] If the recess and the further recess are arranged at different circumferential angles around a radial outer side of the complete tool, tool chuck, or balancing ring, as viewed in the direction of a designated rotational axis of the complete tool, tool chuck, or balancing ring, this advantageously enables particularly simple control of the balancing device. A suitable location for applying the balancing mass can be found particularly easily. Furthermore, a high level of balancing precision can be achieved.

[0029] It is also proposed that the recess and the further recess be of different dimensions, in particular, they be of different depths, widths, and / or lengths. This advantageously enables particularly simple control of the balancing device. A suitable location for applying the balancing mass can advantageously be found in a particularly simple manner. Furthermore, a high level of balancing precision can advantageously be achieved. Alternatively, the recess and the further recess can also be of identical depth, width, and / or length.

[0030] It is further proposed that the recess(es) be groove-shaped. This advantageously enables precise balancing. This allows each point in the groove to accommodate the same amount of balancing mass.

[0031] Advantageously, a large area can be provided for positioning the balancing mass. In particular, the groove-shaped recess has a constant groove width and / or a constant groove depth over its entire longitudinal extent. In particular, the groove-shaped recess extends partially or completely in the circumferential direction around the tool chuck, the complete tool, or the balancing ring. In particular, a groove-shaped recess extending completely around the tool chuck, the complete tool, or the balancing ring forms a circular path around the axis of rotation. In particular, a groove base of the groove-shaped recess has a constant distance from the axis of rotation over the entire circumferential extent of the recess. In particular, a groove-shaped recess forms a groove or furrow in the base material of the tool chuck, the complete tool, or the balancing ring.

[0032] If at least the recess and / or at least the further recess is only partially circumferential around a designated rotational axis of the complete tool, tool chuck, or balancing ring, the circumferential spread of a balancing mass introduced in liquid form can advantageously be limited. This advantageously enables effective balancing.

[0033] If, alternatively or additionally, at least the recess and / or at least the further recess is designed to extend completely around a provided axis of rotation of the complete tool, tool chuck or balancing ring, a free choice of positioning of the balancing mass can advantageously be enabled. In particular, balancing masses that harden quickly, bond quickly to recess walls or are designed as deformable modeling masses can be precisely positioned even despite a large extent of the recess. Advantageously, effective balancing can be achieved with only a few recesses, possibly even with just a single recess. Advantageously, a high degree of compactness of the tool chuck, complete tool or balancing ring can be achieved. In particular, the completely circumferential recess forms an annular groove.

[0034] Additionally, it is proposed that the recess(es) be open only in a direction parallel to a designated axis of rotation of the complete tool, tool chuck, or balancing ring, or only in a direction perpendicular to a designated axis of rotation of the complete tool, tool chuck, or balancing ring. This makes it possible to achieve advantageous balancing properties, in particular with regard to introducing the balancing mass into the recess and / or with regard to holding the balancing mass in the recess. In particular, the recess, which is open only in a direction parallel to a rotation axis of the complete tool, tool chuck, or balancing ring, forms an axially open and / or axially fillable groove. The axial groove is preferably arranged on a flat surface of the tool chuck between the gripper groove of the tool chuck and the clamping area of ​​the tool chuck.In particular, the recess, which is only open in a direction perpendicular to a rotational axis of the complete tool, tool chuck, or balancing ring, forms a radially open and / or radially fillable groove. The radial groove is advantageously arranged on a shank taper / clamping area of ​​the tool chuck.

[0035] If the recess(es) have / have an undercut at least in section, which at least partially covers the recess in the opening direction, a particularly secure hold of the balancing mass can advantageously be achieved, in particular during normal operation of the tool chuck, the complete tool or the balancing ring. Falling out or being ejected by rotational centrifugal forces can advantageously be prevented. A maximum extension of a cross-section parallel to an opening width of the recess through an introduced and hardened / solidified balancing mass element is advantageously substantially larger than the opening width of the recess, preferably at least 10% wider, more preferably at least 20% wider and preferably at least 30% wider. In particular, the undercut serves to hold the balancing mass back against forces that could push / accelerate the balancing mass out of the recess.

[0036] If, in addition, the coverage of the respective recess created by the undercut is reduced or interrupted at one or more points within the respective recess, this advantageously enables particularly simple removal of balancing mass from the recess with the undercut. In particular, the maximum width of the recess remains approximately constant. The interruption points of a recess thus differ from the rest of the recess only in the design of the undercut. The interruption points can be formed as rounded breakouts of the undercut. Each recess advantageously has a plurality of such interruption points.

[0037] Furthermore, it is proposed that the recess(es) have a dovetail cross-sectional profile, a prism cross-sectional profile, or a spherical head cross-sectional profile with a spherical section extending beyond a semicircle. This advantageously ensures good retention of the balancing mass. Furthermore, the undercut can be advantageously easily produced, e.g., by using a correspondingly shaped milling cutter. In particular, the recess is a groove milled by a dovetail cutter, a conical T-slot cutter, or a spherical head cutter. The interruptions in the undercut represent, in particular, the recess's recess points.

[0038] Additionally, it is proposed that the tool chuck be designed to be compact, with a collar diameter of no more than 63 mm (e.g., HSK63 and smaller), preferably no more than 50 mm (e.g., HSK50 and smaller). This advantageously enables additive balancing of particularly small tool chucks that do not offer sufficient space for the use of balancing screws, in particular, sufficient space for threaded holes to accommodate the balancing screws.

[0039] The balancing method according to the invention, the balancing device according to the invention, the tool chuck according to the invention, the complete tool according to the invention, and the balancing ring according to the invention are not intended to be limited to the application and embodiment described above. In particular, the balancing method according to the invention, the balancing device according to the invention, the tool chuck according to the invention, the complete tool according to the invention, and the balancing ring according to the invention may comprise a number of individual elements, components, method steps, and units that differs from the number stated herein in order to fulfill a function described herein.

[0040] Drawings

[0041] Further advantages will become apparent from the following description of the drawings. The drawings illustrate four exemplary embodiments of the invention. The drawings, the description, and the claims contain numerous features in combination. Those skilled in the art will also expediently consider the features individually and combine them into useful further combinations.

[0042] They show:

[0043] Fig. 1 a is a schematic perspective view of a tool chuck with a recess provided for the introduction of balancing mass,

[0044] Fig. 1 b is a schematic perspective view of a tool chuck with two recesses,

[0045] Fig. 2a is a schematic representation of a dovetail cross-sectional profile of one of the recesses,

[0046] Fig. 2b is a schematic representation of a prism cross-sectional profile of one of the recesses,

[0047] Fig. 2c is a schematic representation of a ball head cross-sectional profile of one of the recesses,

[0048] Fig. 3 is a schematic representation of a part of a balancing device for carrying out an additive balancing process on the tool chucks and / or on complete tools, Fig. 4 is a detailed representation of a part of a first possible soldering robot of a balancing mass application unit of the balancing device,

[0049] Fig. 5 is a detailed view of part of a second possible soldering robot of a balancing mass application unit of the balancing device,

[0050] Fig. 6 is a schematic representation of the recess with introduced balancing mass, wherein a solid mass element is introduced into the balancing mass,

[0051] Fig. 7 is a schematic flow diagram of an additive balancing process,

[0052] Fig. 8a an alternative tool chuck with a recess provided for the introduction of balancing mass, which has undercuts with interruption points,

[0053] Fig. 8b the alternative tool chuck with the recess, where the undercuts have no interruptions,

[0054] Fig. 9a a balancing ring with a recess provided for the introduction of balancing mass, which has undercuts with interruption points,

[0055] Fig. 9b the balancing ring with the recess, where the undercuts have no interruptions,

[0056] Fig. 9c shows an alternative balancing ring mounted on a tool chuck with more than one recess provided for the introduction of balancing mass and

[0057] Fig. 10 shows another alternative tool chuck with several recesses provided for the introduction of balancing mass and separated from each other in the circumferential direction.

[0058] Description of the Embodiments Figures 1a and 1b each schematically show exemplary tool chucks 14a, 14'a according to the invention, which are intended for carrying out an additive balancing method. The tool chucks 14a, 14'a are designed to be compact. The tool chucks 14a, 14'a each have a collar diameter 90a of at most 63 mm. However, an analogous application of the invention to larger tool chucks is also conceivable. The tool chucks 14a, 14'a each comprise at least one recess 18a. The at least one recess 18a is specifically provided for the introduction of balancing mass 16a that is at least partially liquid and / or designed as a plastically deformable modeling mass and subsequently hardens and / or solidifies in the recess 18a. The tool chucks 14a, 14'a shown as examples are each intended to accommodate different shank tools (not shown).Alternatively, one or both of the tool chucks 14a, 14'a could also form part of a complete tool 50a (see Fig. 3), which generally consists of a tool 34a and a tool chuck 14a specifically matched to the tool 34a. Everything described below for tool chucks 14a, 14'a applies analogously to complete tools 50a. A separate detailed illustration of complete tools 50a is therefore unnecessary.

[0059] The tool chuck 14a shown in Figure 1a has only a single, connected recess 18a. The tool chuck 14'a shown in Figure 1b, on the other hand, has the recess 18a and a further recess 18'a formed separately from the recess 18a and also specifically intended for the introduction of balancing mass 16a. Of course, useful designs with more than two recesses 18a, 18'a are also conceivable. The recesses 18a, 18'a are groove-shaped. The recesses 18a, 18'a are formed directly, in particular milled, into the material of the tool chuck 14a, 14'a. In both examples shown, the recesses 18a, 18'a are arranged in a region of a shank receiving cone 92a of the tool chucks 14a, 14'a.In both exemplary cases, the recesses 18a, 18'a are arranged between a region of the tool chuck 14a, 14'a forming a gripper groove 94a and a conical region 96a of the tool chuck 14a, 14'a, which is intended to enclose a tool shank of a tool 34a in an assembled state of the tool chuck 14a, 14'a. However, alternative or additional positioning of the recesses 18a, 18'a, for example, in the region of the gripper groove 94a, below the gripper groove 94a, or within the conical region 96a, are also conceivable. An area of ​​the tool chucks 14a, 14'a in which the recess 18a and / or the further recess 18'a are arranged could, as an alternative to the illustrations in Figures 1a and 1b, also be enlarged in diameter, in particular relative to the area of ​​the shank receiving cone 92a.This advantageously allows a standard material thickness / base cross-section of the tool chuck 14a, 14'a to be maintained.

[0060] The recesses 18a, 18'a of the examples in Figures 1a and 1b are formed to extend completely around a rotational axis 72a of the tool chuck 14a. The recesses 18a, 18'a are annular. The recesses 18a, 18'a lie in a plane perpendicular to the rotational axis 72a. The recesses 18a, 18'a have a constant maximum width. The recesses 18a, 18'a have a constant maximum depth. The recesses 18a, 18'a can be rotationally symmetrical (cf. Fig. 1b) or not (cf. Fig. 1a). The recesses 18a, 18'a can be mirror-symmetrical to at least one mirror plane bisecting the tool chuck 14a and encompassing the rotational axis 72a. The recesses 18a, 18'a can be formed mirror-symmetrically to at least one further mirror plane lying perpendicular to the rotation axis 72a.The recess(es) 18a, 18'a are open only in directions perpendicular to the rotational axis 72a of the tool chuck 14a. The recess 18a is spaced apart from the further recess 18'a in the axial direction 64a. The recesses 18a, 18'a follow a circumferential direction 68a of the tool chuck 14a, 14'a. In the case illustrated in Figure 1b, the recess 18a and the further recess 18'a are arranged one above the other in the tool chuck 14'a, as viewed in the direction of the rotational axis 72a of the tool chuck 14'a. The recess 18a and the further recess 18'a of Figure 1b are identical in shape to one another. Alternatively or additionally, however, it is conceivable that the further recess 18'a or an additional further recess (not shown) is dimensioned differently than the recess 18a, for example is formed with different depths, is formed with different widths and / or is formed with different lengths.

[0061] The recess(es) 18a, 18'a have(s) at least one undercut 76a. Figures 2a, 2b, and 2c show three exemplary cross-sectional profiles of the recess(es) 18a, 18'a. The undercut 76a partially covers the respective recess 18a, 18'a in the opening direction 78a of the recess 18a, 18'a. Typically, one undercut 76a partially covers the recess 18a, 18'a from one side, while another undercut 76'a partially covers the recess 18a, 18'a from an opposite side.

[0062] The recess(es) 18a, 18'a can have a dovetail cross-sectional profile 82a (see Fig. 2a). The recess(es) 18a, 18'a can have a prism cross-sectional profile 84a (see Fig. 2b). The recess(es) 18a, 18'a can have a spherical head cross-sectional profile 86a with a spherical section 88a extending beyond a semicircle (see Fig. 2c). These cross-sectional profiles have proven to be an advantageous choice for the shape of the recesses 18a, 18'a; however, alternative cross-sectional profiles with undercuts 76a, 76'a or even without undercuts 76a, 76'a are also conceivable. The coverage(s) of the respective recess 18a, 18'a created by the undercut(s) 76a, 76'a can be reduced or interrupted at one or more locations 80a of the respective recess 18a, 18'a (cf. Fig. 1a). The coverage shown in the example of Fig.The recess 18a shown in Figure 1a has a plurality of such locations 80a at regular intervals along the length of the recess 18a. This number could, of course, also be varied, and the spacing could be altered and / or made irregular. These locations 80a allow for easier removal of the balancing mass 16a from the recess 18a.

[0063] Figure 3 schematically shows part of a balancing device 40a. The balancing device 40a is provided for carrying out the additive balancing method for balancing complete tools 50a and / or tool chucks 14a, 14'a. The balancing device 40a has a rotation unit 46a. The rotation unit 46a is provided for determining an imbalance of the complete tool 50a and / or the tool chuck 14a, 14'a. The complete tools 50a and / or tool chucks 14a, 14'a to be balanced each comprise the recess(es) 18a, 18'a. The rotation unit 46a comprises, for example, a rotary table 52a with a holding unit 54a for holding the complete tool 50a and / or the tool chuck 14a, 14'a. The balancing device 40a comprises a balancing mass application unit 42a.The balancing mass application unit 42a is provided for mechanically introducing the balancing mass 16a, which is at least partially liquid and / or formed as a plastically deformable modeling mass and subsequently hardens and / or solidifies, into one or more of the specially provided recesses 18a, 18'a of the complete tool 50a and / or the tool chuck 14a, 14'a (see also Figures 4 and 5).

[0064] The balancing mass 16a is designed such that it can later be removed from the recess(es) 18a, 18'a at least substantially without leaving any residue. The balancing mass 16a has a density of at least 1.5 g / mm 3 , preferably at least 2 g / mm 3 , preferably at least 4 g / mm 3 and particularly preferably at least 7 g / mm 3The balancing mass 16a can be formed as a solder, in particular a soft solder. However, the balancing mass 16a can also be formed as a hardening plastic. If the balancing mass 16a is formed from plastic, the balancing mass 16a can be formed as a two-component plastic, in particular a two-component adhesive and / or a two-component epoxy resin. The balancing mass application unit 42a comprises a soldering robot 44a, 44'a. The soldering robot 44a, 44'a is provided for melting / softening the solder and introducing the liquid solder into the recesses 18a, 18'a. Two alternative types of soldering robots 44a, 44'a are shown in Fig. 3. Figure 4 shows a further detailed view of a first soldering robot 44a of these two soldering robots 44a, 44'a. Figure 5 shows a further detailed view of a second soldering robot 44'a of these two soldering robots 44a, 44'a.The soldering robots 44a, 44'a each comprise an automated solder wire feeder 56a, which is provided for feeding a solder wire comprising the solder in solid form. The first soldering robot 44a shown in Fig. 4 is based on inductive melting of the solder. For this purpose, the first soldering robot 44a comprises an induction coil 24a. The solder wire feeder 56a is provided for threading the solder wire into a conductor loop formed by the induction coil 24a, in which the solder wire can be heated and thereby melted upon activation of an induction current in the induction coil 24a. The second soldering robot 44'a shown in Fig. 5 is based on melting the solder by contact heat transfer. For this purpose, the second soldering robot 44'a comprises a soldering iron 22a. The soldering iron 22a has a blunt tip.The blunt tip of the soldering iron 22a forms a groove-shaped depression whose dimensions are approximately adapted to the outer shape of the solder wire. The blunt tip of the soldering iron 22a is intended to maximize heat transfer to the solder wire. The solder wire guide 56a is provided to bring the solder wire into contact with the soldering iron 22a, whereby the solder wire can be heated and melted upon activation of the soldering iron 22a. The balancing mass application unit 42a is also provided for removing previously applied balancing mass 16a. This can be done by means of the soldering iron 22a, by means of the induction coil 24a, or by means of other mechanical or pneumatic balancing mass removal devices (not shown). Alternatively or additionally, the balancing mass application unit 42a comprises one or more nozzles 58a for dispensing liquid or moldable balancing mass 16a.The balancing mass 16a dispensed by the nozzles 58a can be the plastic balancing mass. If at least two nozzles 58a are provided, as indicated in Fig. 3, the dispensed balancing mass 16a can be the two-component plastic balancing mass.

[0065] The balancing device 40a comprises a control and / or regulating unit 48a. The control and / or regulating unit 48a is provided to determine and / or create a balancing program for the balancing mass application unit 42a based on imbalance data acquired by the rotation unit 46a. The balancing program comprises a quantity of balancing mass 16a required to eliminate the imbalance. The balancing program comprises an optimal distribution of the balancing mass 16a in the recess(es) 18a, 18'a of the complete tool 50a and / or the tool chuck 14a, 14'a to eliminate the imbalance. The created balancing program is provided to control the balancing mass application unit 42a. The created balancing program is used to control the balancing mass application unit 42a. The balancing device 40a comprises a solid mass element application unit 60a.The solid mass element application unit 60a can be designed as a handling robot. The solid mass element application unit 60a is intended to insert / immerse a solid mass element 38a (see also Fig. 6) into the balancing mass 16a already located in the recess 18a, 18'a.

[0066] Figure 7 shows a schematic flow diagram of the additive balancing method. The additive balancing method can be carried out using the balancing device 40a. The additive balancing method is intended for balancing the complete tools 50a and / or the tool chucks 14a, 14'a. In at least one method step 30a, an imbalance of the complete tool 50a and / or the tool chuck 14a, 14'a is mechanically determined using the balancing device 40a. In at least one further method step 32a, the control and / or regulating unit 48a uses the determined imbalance to mechanically determine a quantity of balancing mass 16a required to eliminate the imbalance.In method step 32a, the control and / or regulating unit 48a also mechanically determines, based on the determined imbalance, an optimal distribution of the balancing mass 16a over the one specially provided recess 18a or over the several specially provided recesses 18a, 18'a of the complete tool 50a and / or the tool chuck 14a for eliminating the imbalance. In method step 32a, the control and / or regulating unit 48a also mechanically determines, based on the determined imbalance, an optimal positioning of the balancing mass 16a in the specially provided recess(es) 18a, 18'a for eliminating the imbalance.

[0067] In at least one further method step 12a, the balancing mass 16a is prepared. For this purpose, in method step 12a, the balancing mass 16a, formed as the solder, can be mechanically melted in a region close to the recess 18a using the soldering iron 22a with a blunt tip (see Fig. 5) or the induction coil 24a (see Fig. 4). Alternatively or additionally, in method step 12a, the balancing mass 16a, formed as a plastic, can be kept ready in liquid form in the nozzles 58a. In at least one further method step 10a, the balancing mass 16a, which is at least partially liquid and / or designed as a plastically deformable modeling mass, is introduced mechanically, for example via the soldering robot 44a, 44'a or via the nozzles 58a, into one or more of the specially provided recesses 18a, 18'a of the complete tool 50a and / or the tool chuck 14a, 14'a.In method step 10a, the balancing mass 16a is introduced into the recess 18a, 18'a from a radial direction 98a (cf. Fig. 1a) of the tool chuck 14a, 14'a, particularly when nozzles 58a are used, injected. Alternatively, however, in an arrangement of the recesses 18a, 18'a that differs from that in the exemplary embodiment of Figures 1a to 7, it is also provided that the balancing mass 16a is introduced into the recess 18a, 18'a in method step 10a from an axial direction 64a (cf. Fig. 1a or Fig. 8a) of the tool chuck 14a, 14'a, particularly when nozzles 58a are used.In at least one optionally skippable method step 36a, which takes place after the balancing mass 16a has been introduced into the recess 18a, 18'a and before the balancing mass 16a hardens and / or solidifies, at least the solid mass element 38a, for example a tube, rod, sphere, or the like, is mechanically introduced into the, in particular still soft and / or still liquid, balancing mass 16a by means of the solid mass element application unit 60a. The solid mass element 38a thus introduced into the balancing mass 16a is intended to then bond to the balancing mass 16a during the hardening and / or solidification of the balancing mass 16a. In at least one further method step 20a, the introduced balancing mass 16a is hardened and / or solidified in the depression(s) 18a, 18'a.The curing and / or solidification of the balancing mass 16a can take place unaided (passively) or accelerated or stimulated by auxiliary means (actively). The complete tool 50a and / or tool chuck 14a, 14'a provided with the balancing mass 16a can optionally be dynamically balanced in at least one further method step 70a, particularly if the balancing mass 16a is configured accordingly and / or has been introduced into the recess 18a, 18'a without an adhesive bond to the surrounding walls. The balancing mass 16a cured and / or solidified in the recess(es) 18a, 18'a is used for the dynamic balancing.During dynamic balancing, the complete tool 50a and / or tool chuck 14a, 14'a to be balanced is rotated about its rotational axis 72a, whereby the balancing mass(es) 16a in the recess(es) 18a, 18'a are automatically positioned within the recess(es) 18a, 18'a due to the effect of the rotational centrifugal forces / centrifugal forces resulting from this rotation.Subsequently, in a further process part 66a, at least process step 10a, in which the balancing mass 16a, which is at least partially liquid and / or designed as a plastically deformable modeling mass, is mechanically introduced into at least one of the recesses 18a, 18'a of the complete tool 50a and / or the tool chuck 14a, 14'a, preferably the entire additive balancing process described above, is repeated for a complete tool 50a that has already been balanced by the additive balancing process and subsequently disassembled and reassembled and / or for a tool chuck 14a, 14'a that has already been balanced by the additive balancing process and is equipped with a newly adjusted and / or modified tool 34a or with a different tool 34a.

[0068] Figures 8a to 10 show three further exemplary embodiments of the invention. The following descriptions and the drawings are essentially limited to the differences between the exemplary embodiments, whereby with regard to components with the same designation, in particular with regard to components with the same reference numerals, reference can in principle also be made to the drawings and / or the description of the other exemplary embodiments, in particular Figures 1 to 7. To distinguish the exemplary embodiments, the letter a is placed after the reference numerals of the exemplary embodiment in Figures 1 to 7. In the exemplary embodiments in Figures 8a to 10, the letter a is replaced by the letters b to d.

[0069] Figures 8a and 8b each schematically show exemplary alternative tool chucks 14b, 14'b according to the invention, which are provided for carrying out an additive balancing method. The alternative tool chucks 14b, 14'b each comprise at least one recess 18b. The recess 18b is specifically provided for the introduction of balancing mass 16b that is at least partially liquid and / or formed as a plastically deformable modeling compound and subsequently hardens and / or solidifies in the recess 18b. The tool chucks 14b, 14'b shown as examples are each provided for receiving different shank tools (not shown). Alternatively, one or both of the tool chucks 14b, 14'b could also form part of a complete tool 50b. Everything described below for the alternative tool chucks 14b, 14'b can be applied analogously to complete tools 50b.The recess(es) 18b, 18'b of the alternative tool chucks 14b, 14'b are open only in a direction parallel to the rotation axes 72b of the tool chucks 14b, 14'b. Figure 8a shows the recess 18b with several locations 80b where the coverage of the recess 18b created by undercut(s) is reduced or interrupted. In the example of Figure 8b, no such interruption locations exist.

[0070] Figures 9a to 9c each schematically show balancing rings 28c, 28'c according to the invention, which are intended for carrying out an additive balancing method. The balancing rings 28c, 28'c are intended for combination with tool chucks 14c and / or tool assemblies 50c. The balancing rings 28c, 28'c can be slipped onto the tool chucks 14c and / or tool assemblies 50c, in particular those without balancing preparations, such as recesses, etc. The balancing rings 28c, 28'c are pressed onto the tool chucks 14c and / or tool assemblies 50c. The balancing rings 28c, 28'c can be connected to the tool chucks 14c and / or tool assemblies 50c in a non-slip and / or fixed manner. The balancing rings 28c, 28'c each comprise at least one recess 18c.The recess 18c is specifically provided for the introduction of balancing compound 16c that is at least partially liquid and / or formed as a plastically deformable modeling compound and subsequently hardens and / or solidifies in the recess 18c. The recess 18c of the balancing ring 28c is open only in a direction perpendicular to a provided axis of rotation 72c of the balancing ring 28c. Figure 9a shows the recess 18c with several locations 80c at which a coverage of the recess 18c created by undercut(s) is reduced or interrupted. In the example of Figure 9b, no such interruption points exist. Figure 9c schematically shows an alternative balancing ring 28'c mounted on a tool chuck 14c. The alternative balancing ring 28'c has, in addition to the recess 18c, a further recess 18'c.The two recesses 18c, 18'c are designed, for example, as completely circular annular grooves spaced from one another along the rotation axis 72c in mutually parallel planes. The balancing device 40a described in connection with Figure 3 can also be used for balancing rings 28c, 28'c. The balancing method described in connection with Figure 7 can also be carried out for balancing rings 28c, 28'c, in particular for tool chucks 14c or tool assemblies 50c with balancing rings 28c, 28'c. In this case, before carrying out method step 10a, in which the balancing mass 16c is introduced into the recess 18c, the balancing ring 28c, 28'c is mounted on the tool chuck 14c or on the tool assemblies 50c.

[0071] Figure 10 schematically shows an exemplary further alternative tool chuck 14d according to the invention, which is provided for carrying out an additive balancing method. The further alternative tool chuck 14d comprises at least several recesses 18d, 18'd. The recesses 18d, 18'd are each specifically provided for the introduction of balancing mass 16d that is at least partially liquid and / or formed as a plastically deformable modeling compound and subsequently hardens and / or solidifies in the respective recess 18d, 18'd. The tool chuck 14d shown as an example is intended to accommodate various shank tools (not shown). Alternatively, the further alternative tool chuck 14d could also form part of a complete tool 50d. Everything described below for the further alternative tool chuck 14d can be applied analogously to complete tools 50d.The recesses 18d, 18'd of the illustrated further alternative tool chuck 14d are only open in a direction perpendicular to a rotational axis 72d of the tool chuck 14d. However, an opening only in a direction parallel to the rotational axis 72d, as shown in Figures 8a and 8b, is also conceivable. At least two of the recesses 18d, 18'd are arranged at different circumferential angles around a radial outer side 74d of the further alternative tool chuck 14d, as viewed in the direction of the rotational axis 72d of the further alternative tool chuck 14d. The recesses 18d, 18'd of the further alternative tool chuck 14d are only partially formed circumferentially around the rotational axis 72d of the tool chuck 14d. The recess 18d is spaced 68d from the further recess 18'd in the circumferential direction.

[0072] Reference symbol

[0073] 10 process steps

[0074] 12 process steps

[0075] 14 tool chucks

[0076] 16 Balancing mass

[0077] 18 Deepening

[0078] 20 process steps

[0079] 22 soldering irons

[0080] 24 Induction coil

[0081] 28 balancing ring

[0082] 30 process steps

[0083] 32 process steps

[0084] 34 tools

[0085] 36 process steps

[0086] 38 Solid mass element

[0087] 40 Balancing device

[0088] 42 Balancing mass application unit

[0089] 44 soldering robots

[0090] 46 Rotation unit

[0091] 48 Control and / or regulation unit

[0092] 50 complete tools

[0093] 52 turntables

[0094] 54 Holding unit

[0095] 56 Solder wire feed

[0096] 58 nozzle

[0097] 60 Solid Mass Element Application Unit

[0098] 64 Axial direction

[0099] 66 Procedural Part

[0100] 68 Circumferential direction

[0101] 70 Process step rotation axis

[0102] Radial outer side

[0103] undercut

[0104] Opening direction

[0105] Position

[0106] Dovetail cross-sectional profile

[0107] Prism cross-sectional profile

[0108] Ball head cross-sectional profile

[0109] Spherical section

[0110] Collar diameter

[0111] Shank taper

[0112] Gripper groove

[0113] Conical area

[0114] Radial direction

Claims

Claims 1 . Additive balancing method for balancing complete tools (50a-b; 50d) and / or tool chucks (14a-b, 14'ab; 14d, 14'd), characterized in that in at least one method step (10a-d) a balancing mass (16a-d) which is at least partially liquid and / or designed as a plastically deformable modeling mass is mechanically introduced into one or more specially provided recesses (18a-d, 18'ad) of the complete tool (50a-b; 50d) and / or the tool chuck (14a-b, 14'ab; 14d, 14'd) or of a tool chuck connected to the complete tool (50a-b; 50d) and / or the tool chuck (14a-b, 14'ab; 14d, 14'd) connectable balancing ring (28c, 28'c), and that in at least one further method step (20a-d) the introduced balancing mass (16a-d) hardens and / or solidifies in the depression(s) (18a-d, 18'ad).

2. Additive balancing method according to claim 1, characterized in that the hardened and / or solidified balancing mass (16a-d) is designed such that it can be removed again from the depression(s) (18a-d, 18'ad) at least substantially without leaving residue.

3. Additive balancing method according to claim 1 or 2, characterized in that the balancing mass (16a-d) is designed as a solder, in particular a soft solder.

4. Additive balancing method according to claim 3, characterized in that in at least one further method step (12a-d) the solder is melted in a vicinity of the depression(s) (18a-d, 18'ad) mechanically, in particular by a soldering iron (22a-d) with a blunt tip or by an induction coil (24a-d).

5. Additive balancing method according to claim 1 or 2, characterized in that the balancing mass (16a-d) is designed as a hardening plastic, in particular as a 2-component plastic, for example a 2-component adhesive and / or a 2-component epoxy resin.

6. Additive balancing method according to one of the preceding claims, characterized in that the balancing mass (16a; 16c-d) is introduced, in particular injected, into the recess (18a, 18'a; 18c-d, 18'cd) from a radial direction (98a; 98c-d) of the complete tool (50a; 50d), the tool chuck (14a, 14'a; 14d, 14'd) and / or the balancing ring (28c, 28'c).

7. Additive balancing method according to one of claims 1 to 5, characterized in that the balancing mass (16b) is introduced, in particular injected, into the recess (18b, 18'b) from an axial direction (64b) of the complete tool (50b) and / or the tool chuck (14b).

8. Additive balancing method according to one of the preceding claims, characterized in that in at least one method step (30a-d) an imbalance of the complete tool (50a-b; 50d) and / or the tool chuck (14a-b, 14'ab; 14d, 14'd) is determined mechanically and, based on the determined imbalance, in at least one further method step (32a-d) an amount of balancing mass (16a-d) required to eliminate the imbalance and / or an optimal distribution of the balancing mass (16a-d) to eliminate the imbalance within at least one individual one of the recesses (18a-d, 18'ad) or over several recesses relative to one another in the axial direction (64a-d) and / or in the circumferential direction (68a-d) of the complete tool (50a-b; 50d), the tool chuck (14a-b, 14'ab; 14d, 14'd) and / or the balancing ring (28c, 28'c) are formed specially provided recesses (18a-d, 18'ad) of the complete tool (50a-b; 50d), the tool chuck (14a-b, 14'ab;14d, 14'd) and / or the balancing ring (28c, 28'c) is determined mechanically.; 9. Additive balancing method according to one of the preceding claims, characterized in that in at least one further method step (70a-d) the balancing mass (16a-d) hardened and / or solidified in the depression(s) (18a-d, 18'a-d) is used for dynamic balancing, wherein the balancing mass (16a-d) preferably positions itself automatically within the depression(s) (18a-d, 18'ad) due to the effect of rotational centrifugal forces.

10. Additive balancing method according to one of the preceding claims, characterized in that in at least one further method step (36a-d) taking place after the introduction of the balancing mass (16a-d) into the depression(s) (18a-d, 18'ad) and before the curing and / or solidification of the balancing mass (16a-d), at least one solid mass element (38a-d), for example a tube, rod, sphere or the like, is introduced into the balancing mass (16a-d), which then bonds materially to the balancing mass (16a-d) during the curing and / or solidification of the balancing mass (16a-d). 11 . Balancing device (40a-d) for carrying out the additive balancing method for balancing complete tools (50a-b; 50d) and / or tool chucks (14a-b, 14'ab; 14d, 14'd) according to one of the preceding claims, characterized by at least one balancing mass application unit (42a-d), which is at least provided for mechanically applying the at least partially liquid and / or formed as a plastically deformable modeling mass and subsequently hardening and / or solidifying balancing mass (16a-d) into one or more, in particular originally already present, specially provided recesses (18a-d, 18'ad) of the complete tool (50a-b; 50d) and / or the tool chuck (14a-b, 14'ab; 14d, 14'd) or of a tool connected to the complete tool (50a-b; 50d) and / or the tool chuck (14a-b, 14'ab; 14d, 14'd) connectable balancing ring (28c, 28'c).

12. Complete tool (50a-b; 50d) or tool chuck (14a-b, 14'ab; 14d, 14'd), which is suitable, preferably provided, for carrying out the additive balancing method according to one of claims 1 to 10 and which has at least one recess (18a-b; 18d) specifically provided for introducing balancing mass (16a-b; 16d).

13. Balancing ring (28c, 28'c) for a complete tool (50a-b; 50d) and / or a tool chuck (14a-b, 14'ab; 14d, 14'd), which is suitable, preferably provided, for carrying out the additive balancing method according to one of claims 1 to 10 and which has at least one recess (18c) specifically provided for introducing balancing mass (16c).

14. Complete tool (50a-b; 50d) or tool chuck (14a-b, 14'ab; 14d, 14'd) according to claim 12 and / or balancing ring (28c, 28'c) according to claim 13, characterized by at least one further recess (18'ad) formed separately from the recess (18a-d) and specifically provided for introducing balancing mass (16a-d).

15. Complete tool (50a), tool chuck (14a, 14'a) or balancing ring (28c, 28'c) according to claim 14, characterized in that the recess (18a; 18c) and the further recess (18'a; 18'c) are arranged one above the other in the complete tool (50a), tool chuck (14a, 14'a) or balancing ring (28c, 28'c) as seen in the direction of a rotation axis (72a; 72c) of the complete tool (50a), tool chuck (14a, 14'a) or balancing ring (28c, 28'c).

16. Complete tool (50d), tool chuck (14d, 14'd) or balancing ring (28c, 28'c) according to claim 14 or 15, characterized in that the recess (18d) and the further recess (18'd) are arranged at different circumferential angles around a radial outer side (74d) of the complete tool (50d), tool chuck (14d, 14'd) or balancing ring (28c, 28'c) as seen in the direction of a rotation axis (72d) of the complete tool (50d), tool chuck (14d, 14'd) or balancing ring (28c, 28'c).

17. Complete tool (50a-b; 50d), tool chuck (14a-b, 14'ab; 14d, 14'd) or balancing ring (28c, 28'c) according to one of claims 14 to 16, characterized in that the recess (18a-d) and the further recess (18'ad) are of different dimensions, in particular are of different depth, width and / or length.

18. Complete tool (50a-b; 50d), tool chuck (14a-b, 14'ab; 14d, 14'd) or balancing ring (28c, 28'c) according to one of claims 12 to 17, characterized in that the recess(es) (18a-d, 18'ad) is / are groove-shaped.

19. Complete tool (50d), tool chuck (14d, 14'd) or balancing ring (28c, 28'c) according to one of claims 12 to 18, characterized in that at least the recess (18d) is designed to only partially encircle an axis of rotation (72d) of the complete tool (50d), tool chuck (14d, 14'd) or balancing ring (28c, 28'c).

20. Complete tool (50a-b), tool chuck (14a-b, 14'ab) or balancing ring (28c, 28'c) according to one of claims 12 to 18, characterized in that at least the recess (18a-c) is designed to be completely circumferential around an axis of rotation (72a-c) of the complete tool (50a-b), tool chuck (14a-b, 14'ab) or balancing ring (28c, 28'c).

21. Complete tool (50a-b; 50d), tool chuck (14a-b, 14'ab; 14d, 14'd) or balancing ring (28c, 28'c) according to one of claims 12 to 20, characterized in that the recess(es) (18a-d, 18'ad) is / are open only in a direction parallel to a rotational axis (72a; 72c-d) of the complete tool (50a; 50d), tool chuck (14a, 14'a; 14d, 14'd) or balancing ring (28c, 28'c) or only in a direction perpendicular to the rotational axis (72b) of the complete tool (50b), tool chuck (14b, 14'b) or balancing ring (28c, 28'c).

22. Complete tool (50a-b; 50d), tool chuck (14a-b, 14'ab; 14d, 14'd) or balancing ring (28c, 28'c) according to one of claims 12 to 21, characterized in that the recess(es) (18a-d, 18'ad) has / have, at least in sections, an undercut (76a-d) which at least partially covers the recess (18a-d, 18'ad) in the opening direction (78a-d).

23. Complete tool (50a-b; 50d), tool chuck (14a-b, 14'ab; 14d, 14'd) or balancing ring (28c, 28'c) according to claim 22, characterized in that the coverage of the respective recess (18a-d, 18'ad) produced by the undercut (76a-d) is reduced or interrupted at one or more locations (80a-d) of the respective recess (18a-d, 18'ad).

24. Complete tool (50a-b; 50d), tool chuck (14a-b, 14'ab; 14d, 14'd) or balancing ring (28c, 28'c) according to one of claims 12 to 23, characterized in that the recess(es) (18a-d, 18'ad) has / have a dovetail cross-sectional profile (82a-d), a prism cross-sectional profile (84a-d) or a spherical head cross-sectional profile (86a-d) with a spherical section (88a-d) extending beyond a semicircle.

5. Tool chuck (14a-b, 14'ab; 14d, 14'd) according to one of claims 12 to 24, characterized by a small-sized design with a collar diameter (90a-b; 90d) of at most 63 mm, preferably at most 50 mm.

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