5675results about "Turning tools" patented technology

A tool holder for a tool for machining a workpiece. The tool holder has a cutting insert receptacle for receiving a cutting insert, wherein the cutting insert receptacle has an upper clamping jaw for abutting an upper surface of the cutting insert and a lower clamping jaw for abutting a lower surface of the cutting insert opposite the upper surface. Further, the tool holder has an internal coolant channel extending inside the tool holder between a coolant inlet opening and a coolant outlet opening, wherein an end portion of the coolant channel extending inside the upper clamping jaw along a channel center axis opens into the coolant outlet opening. The coolant outlet opening is arranged at the upper clamping jaw and configured as an elongated opening. A width of the coolant outlet opening is smaller than a height of the coolant outlet opening measured orthogonally to the width of the coolant outlet opening. The end portion of the coolant channel is also elongated in a cross-section orthogonal to the channel center axis. A width of the end portion measured orthogonal to the channel center axis is smaller than a height of the end portion measured orthogonal to the channel center axis and orthogonal to the width of the end portion.

The invention provides a tool cutting edge parameter optimization method based on workpiece-tool performance parameters, and relates to the technical field of tool cutting edge parameter optimization, and the method specifically comprises the steps: obtaining cutting characteristic parameters and workpiece characteristic parameters under different tool cutting edge parameter combinations; establishing a tool characteristic prediction model, inputting a tool cutting edge parameter, and outputting a cutting characteristic parameter; tool cutting edge parameters are randomly combined under constraint conditions, and a prediction model is input to obtain cutting characteristic parameters; carrying out data processing and correlation analysis on the workpiece combination, and constructing a function relationship among the cutting characteristics, a tool life coefficient and a workpiece surface quality coefficient; and iteratively optimizing individuals of the initial population through a genetic algorithm, and extracting an optimal cutting edge parameter of the cutter. The intelligent level of tool design is remarkably improved, the tool design can be optimized in real time according to the actual machining condition, different machining conditions can be effectively coped with, and the optimal performance of the tool in actual application is ensured.

To provide a cubic boron nitride sintered body and a coated cubic boron nitride sintered body that can extend a tool life by having excellent wear resistance and chipping resistance.SOLUTION: In a cubic boron nitride sintered body including cubic boron nitride and a bonding phase, a content ratio of the cubic boron nitride and the bonding phase is within a specific range, the bonding phase comprises a Ti compound phase, an Al compound phase, and a phase containing an element W, a content ratio of the Ti compound phase, the Al compound phase, and the phase containing the element W is within a specific range, the phase containing the element W includes at least one kind selected from the group consisting of W2B and WB, and a ratio I2 / I1 is in a specific range, where I1 is the X-ray diffraction peak intensity of a (111) plane of cubic boron nitride and I2 is the sum of the X-ray diffraction peak intensities of a (211) plane of the W2B and a (110) plane of the WB in the bonding phase.SELECTED DRAWING: None

The invention relates to the technical field of numerical control machine tools, in particular to a polyhedral machining center based on dynamic compensation and five-axis linkage, which adopts an asymmetric swing shaft system design, a workbench integrates X / Y translation and C-axis rotation functions, and a cutter has Z-axis lifting and Y-axis swing capabilities (the swing range of B-axis is-30 degrees to + 120 degrees). And efficient machining of complex curved surfaces and deep cavity structures is achieved through five-axis linkage. The core innovation comprises the following steps: a temperature sensor is embedded in a main shaft bearing seat to monitor the temperature rise in real time and calculate the thermal deformation compensation amount; the vibration sensor is embedded into the cutter handle clamping mechanism, and cutting vibration is dynamically restrained; based on a tool path dynamic correction technology of an RTCP algorithm, track offset caused by multi-axis rotation is eliminated through space coordinate transformation.

A turning toolholder includes a shank, a club head, and a clamp and a clamp screw for clamping a cutting insert. The club head includes a clamp coolant supply hole in fluid communication, a flank coolant supply hole and an auxiliary rake coolant supply hole, all in fluid communication with the main coolant supply hole. Coolant is supplied through a rake coolant exit opening formed in the forward nose portion of the clamp to direct coolant to the top rake surface of the cutting insert, and coolant is supplied through a flank coolant exit opening located below the insert-receiving pocket to provide coolant to the side flank surfaces of the cutting insert. In addition, an auxiliary rake coolant supply housing formed on a top surface of the club head supplies additional coolant to the top rake surface of the cutting insert during high heat applications.

The invention relates to the technical field of boring tools, in particular to an adjustable boring tool for stepped hole machining, which comprises a tool body, a tool apron is arranged at the lower end of the tool body, a tool bit is fixedly connected to the lower end of the tool apron, and the tool body is formed by combining an upper tool bar, a second tool bar and a tool bar sleeve; the tool has the beneficial effects that the tool is integrated with radial and axial adjusting mechanisms, so that the tool can be precisely adjusted in the radial direction and the axial direction in the machining process according to the diameters and the hole depths of different stepped holes, the upper portion of the tool bit is protected in cooperation with an introduced variable-diameter supporting mechanism, the tool apron and the tool bit are assembled and fastened, and the machining efficiency is improved. And effective support for stepped holes with different sizes is dynamically adjusted according to machining requirements, meanwhile, the rigidity of the tool is enhanced, the cutter relieving or vibrating phenomenon of a boring cutter is avoided, the grain cutting phenomenon of the boring inner wall is avoided, the flexibility of the cutter is improved, and the machining precision and stability are ensured.

The invention further discloses a preparation method of the wide-temperature-range, high-performance and high-binding-force soft and hard composite coating. The preparation method comprises the steps of cleaning, ion implantation, preparation of a soft layer metal Ti, preparation of a hard layer TiZrAlCrSiMN, preparation of a soft layer metal Zr and preparation of the hard layer TiZrAlCrSiMN. The invention further discloses application of the wide-temperature-range, high-performance and high-binding-force soft and hard composite coating in a dry cutting tool. The invention discloses the wide-temperature-range high-performance high-binding-force soft and hard composite coating which is prepared through the preparation method, and the wide-temperature-range high-performance high-binding-force soft and hard composite coating solves the problems that an existing tool coating is low in high-temperature hardness, poor in abrasion resistance and poor in erosion resistance and cracking resistance.

A cutting insert includes a rake face, a flank face, and a cutting edge constituted of a ridgeline between the rake face and the flank face. The cutting edge has a first cutting edge portion for corner processing, a second cutting edge portion for low cut-in pulling processing, a third cutting edge portion for high cut-in pulling processing, a fourth cutting edge portion for finished-surface processing, a first connection cutting edge portion, a second connection cutting edge portion, and a third connection cutting edge portion. The fourth cutting edge portion is disposed between the first cutting edge portion and the second cutting edge portion. The second cutting edge portion is disposed between the fourth cutting edge portion and the third cutting edge portion. Each of the first cutting edge portion, the second cutting edge portion, and the fourth cutting edge portion has a curved shape.

The invention relates to the technical field of cutter manufacturing, in particular to a high-strength and high-toughness ceramic cutter and a preparation method thereof. The metal ions are loaded on the boron nitride nanosheets, the agglomeration phenomenon of the boron nitride nanosheets can be improved through loading of the metal ions, the interaction force between the boron nitride nanosheets is enhanced, and therefore the mechanical strength of boron nitride is improved. According to the preparation method disclosed by the invention, a complex with adhesion is formed on a boron nitride nanosheet by utilizing the chelation of tannic acid and iron ions, and boron nitride loaded with the iron ions and modified hydrotalcite are adhered together by utilizing the adhesion of the complex. The prepared modified soybean protein has a large number of amino groups, the boron nitride-hydrotalcite compound with the amino groups has better compatibility with a modified soybean protein binder, the dispersity of the boron nitride-hydrotalcite compound in a matrix is improved, and the strength and toughness of the ceramic cutting tool are improved.

The present invention discloses a bionic swallowtail-shaped micro-textured tool and a preparation method thereof, belonging to the technical field of metal cutting tools. The preparation method is based on a cemented carbide tool substrate, and combines the structural advantages of the swallowtail structure in reducing frictional resistance and accelerating the flow of gas and liquid. On this basis, a corresponding functional tool is prepared by machining a bionic swallowtail-shaped groove and surface texture. The designed tool groove is used to discharge chips and store and convey cutting fluid; the surface texture is used to reduce the frictional force between the chip and the tool during cutting and promote the discharge of chips, thereby reducing the cutting force, improving the tool life and processing efficiency. Compared with the prior art, based on the bionic principle, the present invention combines the tool groove and the surface texture to design and prepare a functional tool, achieving the functional requirements of improving the heat resistance and wear resistance of the tool, prolonging the tool life, reducing the production and processing cost, and realizing green processing, and meeting the production and processing needs.

The invention provides an inner hole grooving device and a using method. The inner hole grooving device comprises a grooving device body installed on a machine tool tailstock, the grooving device body is coaxial with a workpiece installed on a machine tool chuck, and a plurality of sliding supporting bases are arranged between the grooving device body and a machine tool sliding rail; the grooving device comprises a shell supporting assembly and an internal feeding assembly, the internal feeding assembly is located in the shell supporting assembly and slides, a cutting tool moving in the radial direction is arranged at the end of the shell supporting assembly, and a tool in the cutting tool is used for cutting the inner wall of the workpiece; the cutting tool is located at the end of the grooving fixing cylinder through a clamping groove structure and slides in the radial direction, a dovetail wedge block is fixedly arranged on the bevel edge of the right-angle driving plate, a dovetail sliding groove is formed in the bottom of the cutting tool, and the dovetail wedge block abuts against the interior of the dovetail sliding groove. According to the inner hole grooving device, through the precise design and the efficient control system, the machining precision and stability are improved, the operation and maintenance process is simplified, and the overall production efficiency and product quality are improved.

A cutting tool for turning includes a cutting insert having a cutting edge, a holder for holding the cutting insert, a wireless communication unit for transmitting information based on a measurement result of a sensor attached to the cutting tool, an acceleration sensor installed in the holder, and a control unit for performing first control for controlling activation of the wireless communication unit based on the measurement result of the acceleration sensor.

The utility model discloses an indexable wave-shaped edge turning blade which comprises a blade body with a center hole in the geometric center, a cutting unit is arranged on the upper surface of the blade body, and the cutting unit comprises an arc edge located at the vertex angle of the blade body and a main cutting edge connected with the two ends of the arc edge. Chip flutes are formed in the main cutting edge in the direction extending towards the center hole, and every two adjacent chip flutes located at the vertex angle are symmetrically separated through an isolation belt; the main cutting edge includes a wave-shaped cutting edge, the wave shape of which is shaped in an axial direction. Through the design of the wave-shaped cutting edges, the chip flutes and the isolation belts, the cutting force is effectively reduced, the chip treatment is improved, the quality of the machined surface is remarkably improved, and the service life of the cutter is remarkably prolonged.

The invention discloses a numerical control high-precision numerical control tool for machining automobile parts, and relates to the technical field of numerical control tools, the numerical control high-precision numerical control tool comprises a tool apron, and a tool bit and a clamping block which are mounted in the tool apron, and further comprises a blade mounted at the end part of the tool bit, and mounting grooves for mounting the tool bit and the clamping block are formed in two sides of the tool apron; a mounting shaft is fixedly mounted in the middle of the tool apron, and a flow guide assembly used for conveying cooling liquid is mounted in the mounting shaft and the tool apron. The tool apron is arranged, the tool bits are mounted on the two sides of the tool apron through the mounting grooves, the flow guide assembly is arranged in the tool apron, the conveying assembly is arranged in the tool bits, and the flow guide assembly and the conveying assembly can achieve conveying and guiding of cooling liquid so as to achieve spraying of the cooling liquid in the cutting position; and conveying of cooling liquid is completed in the tool apron and the tool bit, the situation that cutting operation is affected by an external nozzle can be effectively avoided, and therefore convenience of numerical control machining is effectively improved.

The invention relates to a tool holder for the, in particular force-fit, mounting of a tool, in particular a rotary tool, and to a kit, in particular for such a tool holder. The tool holder comprises a receiving body which has a rotary axis, a rear interface for receiving the tool holder in a work spindle of a machine tool, a front receiving section for the force-fit retention of the tool, in particular the rotary tool, a coolant bore arranged along the rotary axis between the interface and the receiving section, by means of which coolant can be guided along the rotary axis from the interface to the receiving section and which has a first area with a second area adjoining it in the direction of the rotary axis towards the receiving section, wherein a diameter of the first area is larger than a diameter of the second area, and a coolant pipe arranged in the first area of ​​the coolant bore which has a diameter larger. Towards the receiving section, a cavity is formed in the receiving body or in the first area with the increased diameter between the coolant pipe and the smaller diameter second area of ​​the coolant bore. To improve the coolant flow and thus the cooling of a tool, the tool holder is designed with a bridging element in the cavity between the coolant pipe and an interface-side end of the smaller diameter, second area. This bridging element is designed to allow coolant flow and seal the coolant flow against the cavity.

A cutting insert has a top surface, a bottom surface, and an outer peripheral surface. A ridgeline between the top surface and the outer peripheral surface includes a first cutting edge. A protrusion is provided on the top surface. In a first cross section, a distance between the first cutting edge and the protrusion in a direction perpendicular to the bottom surface is defined as a first distance. In a second cross section, a distance between the first cutting edge and the protrusion in a direction perpendicular to the bottom surface is defined as a third distance. The third distance is longer than the first distance. A ratio of a height of the protrusion to a width of the protrusion in the second cross section is smaller than a ratio of a height of the protrusion to a width of the protrusion in the first cross section.

The quick tool changing device convenient for motor part machining comprises a main tool body, blade grooves are formed in the two ends of a rotating body, and turning blades are fixed in the blade grooves through locking screws; a cylinder at the bottom of the rotating body is in clearance fit with a tool pad and a hole in the main tool body, the main tool body is provided with a cylindrical ejector rod, and the cylinder at the bottom of the rotating body abuts against the cylindrical ejector rod and is locked through a bolt on the outer side of the main tool body. A key is arranged below the rotating body and is in contact positioning with a key groove in the plane of the cutter pad, and the main cutter body internally comprises an upper spraying pipe on the upper portion of the main cutter body and a lower spraying opening in the front end of the main cutter body. An inner cooling device in the main cutter body sprays cooling liquid to the cutting edge through an upper spraying pipe and a lower spraying opening, the problem of machining overheating is solved, the cutting performance is improved, cuttings can be washed away through high-pressure cooling water, and the problem of long cuttings is solved; and the rotating body with the positioning key can realize a quick tool changing function.

This drill has an integrally formed extension (3) at its front end, which is smaller in diameter than the other drill bit (1). The extension (3) at the front end of the drill bit (1) preferably has a diameter d that is half the diameter D of the remaining drill bit (1) located behind the extension (3). The drill bit allows for perfect positioning, centering, and guidance of the hole along the intended drilling line.

The invention belongs to the technical field of mechanical cold machining, and particularly relates to a precise boring cutter, a blade adjusting device and a blade adjusting method. The tool setting device comprises a base, a supporting and positioning mechanism and a measuring mechanism, the supporting and positioning mechanism comprises a V-shaped tool handle supporting and positioning structure used for positioning a tool handle or a tool setting standard part and a tool body adjusting structure used for adjusting the extending length of a tool body, the V-shaped tool handle supporting and positioning structure is installed on the base, and the tool body adjusting structure is installed on the tool handle; the measuring mechanism comprises a dial gauge and a dial gauge stand, the dial gauge stand is installed on the base, and the dial gauge stand comprises a movable gauge stand supporting seat and a fixed gauge stand supporting seat which can slide relatively or be locked relatively; and when the tool nose of the tool body is vertically aligned with the 0-degree line of the indexing table, the indexing table measures according to the angle of the cutting edge of the tool body. The extension length of the boring cutter can be corrected, repeated positioning is achieved, re-sharpening of the hard alloy boring cutter and the diamond blade is achieved, the equipment investment is reduced, the cutter cost is reduced, and the working efficiency is improved.

The invention discloses an intelligent cutter system with a multi-signal sensing function and a manufacturing method of the intelligent cutter system, and relates to the field of intelligent cutting tools for ultra-precision machining. The method comprises the steps that boron ions and sulfur ions are doped in a multi-layer gradient doping mode through a multi-step ion implantation method in a front tool nose area and a front tool face area of the single crystal diamond tool, so that the single crystal diamond tool has the conductivity of a semiconductor; the multi-layer gradient doping mode comprises shallow-layer doping, middle-layer doping and deep-layer doping, and the concentration and depth distribution of boron ions and sulfur ions can be controlled by the multi-layer gradient doping mode, so that the concentration of a tool nose area is the highest; the single crystal diamond cutter with the conduction characteristic of a semiconductor is connected with a signal processing and transmission circuit through a platinum electrode, so that the intelligent cutter capable of sensing force, temperature and vibration at the same time and monitoring the cutting state and the cutter abrasion state in real time is obtained. By means of the scheme, the cutting force, the cutting heat degree and the vibration signals in the cutting process can be accurately detected at the same time.

The invention relates to the technical field of machining, in particular to a parallel double-spindle double-station intelligent turning center which comprises a bottom plate, vertical plates extending upwards are fixedly connected to the left side and the right side of the bottom plate, first supporting seats are fixedly connected to the upper side of the bottom plate in a bilateral symmetry mode, and second supporting seats extending upwards are fixedly connected to the rear portion of the upper side of the bottom plate. The machining mechanism and the feeding and discharging mechanism are used in cooperation, the machining efficiency of workpieces can be effectively improved in a double-spindle and double-station synchronous machining mode, meanwhile, by means of an oblique feeding mode, the machining efficiency of the workpieces can be effectively improved, and the machining efficiency of the workpieces can be effectively improved. According to the tool turret assembly, the machining influence of cooling liquid and chippings on workpieces is effectively reduced, the follow-up cleaning time is saved, the tool can be rapidly assembled and disassembled, the assembling and disassembling efficiency of the tool turret assembly is effectively improved, installation is stable, and time and labor are saved in use.

A cutting head has two radially extending cutting arms and at least one fastening recess having an opening located at least partially on one of cutting arms. Each cutting arm has a dovetail arm rear abutment surface. A tool holder has a two circumferentially spaced apart driving members. The tool holder has a pocket with two radially extending arm receiving receptacle. Each receptacle has a dovetail receptacle rear abutment surface. The tool holder has at least one through hole located in one of the driving members. When assembled, a fastening member is disposed in the through bore and engages with the fastening recess to urge each cutting arms towards a respective driving member.

The present invention relates to a coated cutting tool (1) for metal machining comprising a cemented carbide substrate body (5) and a coating (6) comprising a layer of a metal nitride, there is an uppermost part of the cemented carbide substrate body (5) wherein there are uppermost WC grains adjacent to the coating (6), there is an intermediate zone between an uppermost part of said WC grains and the coating (6) comprising a peak of Me3 intensity in an EDX line scan made from within the coating (6) into a WC grain perpendicular to the surface plane of the WC grain, Me3 is one of Ti, Cr, Zr, Mo, Nb and V, the average content of Me3 within + / - 10 nm from the Me3 max peak position is from 2 to 30 at%, the Me3 within + / - 1.0 nm from the Me3 max peak position in the EDX line scan is present as a metal nitride or carbonitride, the average content of any noble gas element or combination of noble gas elements, within + / - 1.0 nm from the Me3 max peak position in the EDX line scan, is ≤0.6 at%.

A system and method for monitoring and predicting wear of a cutting tool used for machining a workpiece is disclosed. The system includes a cutting tool having a shank and a cutting head. The system also includes a split, modular and wireless wear detection system including one or more sensors mounted to the cutting tool for providing a data signal representative of a physical condition of the system, and a data recording and data transmitting device for recording the data signal from the one or more sensors and for generating and transmitting a data signal to a processor. The processor applies a machine learning data processing technique in real time to monitor and / or predict a condition of various components and / or parameters of the system during a metal cutting operation.

A cutting insert includes at least two peripheral cutting edges. An insert holder assembly includes an insert holder which include an insert pocket and an ejector chamber connected by a through hole. The insert holder assembly includes an ejector member located at least partially in the ejection chamber, and a compressible biasing member. In an inner position, the biasing member exerts a compressive force on the ejector member. When the cutting insert is releasably attached to the insert holder by a fastening member which is connected to the ejector member, to constitute a fastened position of a cutting tool, the insert holder assembly is in the inner position and the fastening member clamps the cutting insert so that the insert lower surface abuts the pocket base surface.

The present invention belongs to the technical field of composite material processing, and relates to a hole making tool for aramid fiber-reinforced plastic and a design method thereof. The drill bit has a step reversed point angle structure, which can reduce a trust force during drilling and effectively cut off a high toughness aramid fiber, thus to improve the hole making quality of an AFRP-related component. It is proved that the new tool can significantly improve the hole making quality of an AFRP component, improve the service life and safety degree, and greatly reduce the processing cost. Therefore, the present invention has a broad application prospect in the fields of aerospace, military industries and civil application.

A cutting tool has an indexable cutting insert removably secured to a holding portion of an insert holder. The cutting insert has opposing first and second end surfaces with an insert peripheral surface and a central axis extending therebetween, at least two cutting portions, and at least one mounting cut-out. Each cutting portion has a cutting edge formed by the intersection of rake and relief surfaces formed on the insert peripheral surface, one rake surface facing in a first rotary direction about the central axis and one rake surface facing in an opposite second rotary direction. Each mounting cut-out extends between the first and second end surfaces and has spaced apart first and second flank surfaces disposed on a cut-out peripheral surface which is separate and spaced apart from the insert peripheral surface. The first and second flank surfaces face in the first and second rotary directions, respectively.

An efficient chatter cutting method for a difficult-to-machine material is provided, relating to the technical field of cutting processing. The method includes the following steps: installing a chatter tool bar on a machine tool, starting the machine tool, and inducing self-excited chatter for chatter cutting through cutting energy of a tool system; during chatter cutting, exciting the chatter tool bar to induce stable vibration, making the tool form a ratchet-shaped motion trajectory, the ratchet-shaped motion trajectory includes processes that the tool is pressed on a surface of a workpiece and the tool is separated from the surface of the workpiece, and forming a ratchet-shaped surface morphology on the surface of the workpiece; and during separation of the tool from the surface of the workpiece, enabling cutting fluid to enter a separated cutting zone for cooling and lubrication, and reducing cutting temperature.

A cutting tool comprising a base material and a coating disposed on the base material, wherein the coating comprises a hard particle layer; the hard particle layer is formed from a plurality of hard particles including titanium, silicon, carbon, and nitrogen; in the hard particles, a concentration of the silicon periodically changes along a first direction set in the hard particles; and an orientation of the hard particle layer is a (311) orientation.