942results about "Drilling tools" patented technology

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 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 tooling support system is provided. The tooling support system includes tooling support elements. Each tooling support elements includes an anchor mountable to an external component of a body being drilled into, a tool guide supportable by the anchor and defining a tooling pathway and a guide sleeve disposed at an end of the tooling pathway. Each of the guide sleeves of the tooling support elements have varying dimensions.

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.

Provided is a detachable tool detachably attached to a tool mounting hole of a tool holder including the tool mounting hole, and a retaining body disposed in the tool mounting hole in a radially inwardly reciprocable manner. The detachable tool includes: a housing supported at a predetermined position of the tool mounting hole, the housing including an elastic body chamber, and a retaining body insertion hole through which the retaining body is inserted; a slider to which a tip tool having a blade at a basal end portion is mountable, the slider supported by the housing to reciprocate inside the tool mounting hole, the slider having a guide groove extending along the tool mounting hole; an elastic body disposed in the elastic body chamber to urge the slider toward a basal end; and an anti-rotation body disposed in the housing to be received in the guide groove.

The invention provides a preparation method of a wear-resistant and strength-coordinated hard alloy product. The method comprises the following steps: (1) hard phase pretreatment: mixing tungsten carbide powder with a yttrium-stabilized zirconia precursor solution; (2) nano coating modification: placing the mixed material in a planetary ball mill for ball milling to obtain yttrium-stabilized zirconium oxide coated tungsten carbide composite powder; (3) preparing a binding phase; (4) mixing and pressing; (5) performing gradient sintering to obtain a sintered body; and (6) the sintered body is placed in a vacuum furnace to be subjected to aftertreatment, and the wear-resistant and strength-coordinated hard alloy product is obtained. Through multi-dimensional innovation of material proportion innovation, process optimization and equipment improvement, the technical problems of traditional hard alloy in the aspects of hardness and toughness balance, high-temperature performance stability, production cost control and the like are successfully solved, and a hard alloy solution which is excellent in performance and economical and feasible is provided for the field of high-end equipment manufacturing.

The invention discloses a titanium alloy material cutting tool and a machining method, and the machining method comprises the following steps: proportioning a hard phase WC, a binding phase and an additive according to a ratio, carrying out ball milling, spray drying and compression molding to obtain a tool blank, carrying out segmented sintering treatment, machining and molding to obtain the cutting tool, and then carrying out heat treatment to obtain the titanium alloy material cutting tool. Sequentially carrying out electromagnetic coupling strengthening treatment and surface coating plating treatment to form a TiN layer, a CrAlN layer, a CrAlSiN layer and a CrAlBN layer; the titanium-based alloy powder is added into the binding phase, so that the high-temperature strength, the heat resistance and the lightweight characteristic of the cutting tool can be enhanced; the modified CeO2 can improve the microstructure uniformity, the interface bonding force and the oxidation resistance of the cutter, so that the density and the crack resistance are improved; electromagnetic coupling strengthening treatment and multi-layer coating deposition treatment are carried out on the cutting tool, the hardness, wear resistance, oxidation resistance and high temperature resistance of the surface of the tool can be remarkably improved, and meanwhile coating stripping is effectively prevented.

The present invention provides a process of forming a cutting tool comprising the steps of: additive deposition of a tool material comprising at least one of: tungsten carbide, TaNbC, a tungsten carbide containing alloy or composite, or a TaNbC containing alloy or composite onto a base substrate having a longitudinal axis, said tool material being deposited onto the base substrate to form a deposit body configured to form at least one cutting formation therein; and subsequently subtracting selected portions of the deposit body to produce at least one cutting formation having a selected cutting edge configuration, thereby forming the cutting tool.

The invention relates to the technical field of coated cutters, and provides a cutting tool with a high-hardness self-lubricating coating and a preparation method of the cutting tool. The cutting tool comprises a tool base body and the coating formed on the tool base body; the coating is of a multi-layer structure and sequentially comprises a first sub-coating, a first gradient layer, a second sub-coating, a second gradient layer and a third sub-coating from inside to outside. The content of Si in the first gradient layer is increased in a gradient mode from inside to outside and is not higher than the content of Si in the second sub-coating; the content of B in the second gradient layer is increased in a gradient mode from inside to outside and is not higher than the content of B in the third sub-coating.

The invention relates to the technical field of coated cutting tools, and provides a chemical vapor deposition hafnium boride multilayer coated cutting tool and a preparation method thereof.The chemical vapor deposition hafnium boride multilayer coated cutting tool comprises a base body and multiple coatings sequentially arranged on the surface of the base body; the multi-layer coating comprises a first sub-coating HfBN layer and a second sub-coating HfBx layer, and x is larger than or equal to 1.8 and smaller than or equal to 2.2; the first sub-coating HfBN layer is composed of HfB2, HfN and a BN phase, the volume fraction of the HfB2 phase is 60-90%, and the first sub-coating HfBN layer grows in a columnar crystal mode; the second sub-coating HfBx layer grows in a columnar crystal mode, and the grain size of the second sub-coating HfBx layer is larger than that of the first sub-coating HfBN layer. The high-wear-resistance and low-friction-coefficient cutting fluid has high wear resistance, high bonding strength, high adhesion resistance and low friction coefficient, so that the cutting machining requirements of difficult-to-machine materials such as stainless steel, titanium alloy and nickel-based high-temperature alloy are met.

The utility model provides a drill bit machining edging device, and relates to the technical field of edging, the drill bit machining edging device comprises a workbench, a first sliding table and a second sliding table are installed on the upper surface of the workbench in a sliding mode, a positioning adjusting assembly is arranged on the upper surface of the first sliding table, and two hydraulic cylinders are installed on the upper surface of the workbench; the output ends of the two hydraulic cylinders are arranged on the side faces of the first sliding table and the second sliding table respectively, the output end of the first servo motor is provided with a grinding wheel, the output end of the third servo motor drives the positioning rod to rotate, the mounting ring can be driven to swing, meanwhile, the drill bit is driven to swing, and the grinding wheel is driven to rotate. A second servo motor drives a gear to rotate, meanwhile, the gear drives a plurality of gear teeth, a mounting ring can be driven to rotate, a drill bit can rotate, the drill bit can swing and rotate, any angle position of the drill bit can be adjusted, and any position of the drill bit can be ground and edged.

A coated cutting tool for metal machining has a base body of cemented carbide, cermet, ceramics, steel or high-speed steel, and a wear resistant coating deposited thereon. The coating includes a layer of Ti1-xAlxCyNz with 0.40≤x≤0.95, 0≤y≤0.10 and 0.85≤z≤1.15, and a portion of MeCaNb, 0≤a≤1, 0≤b≤1, a+b=1, present on the layer of Ti1-xAlxCyNz. The portion of MeCaNb covers from 5 to 28% of the layer of Ti1-xAlxCyNz. A process for the production of the coated cutting tool and the use of the coated cutting tool in machining of stainless steel is also provided.

The invention relates to a turning device for cutting a workpiece, comprising: a workpiece holder configured to receive the workpiece and driven in rotation about a virtual axis of rotation; the turning tool is provided with a cutter; a main feed drive which causes a main feed movement in the feed direction, the turning tool and the workpiece holder being movable close to or away from each other by means of the feed movement; the turning tool and the axis of rotation can be moved closer to or away from each other by means of the main transverse movement, and a secondary transverse drive for driving the turning tool and the axis of rotation to move closer to or away from each other by means of the main transverse movement. The secondary transverse movement of the secondary transverse drive is oriented in the same direction as the transverse movement of the primary transverse drive, wherein the turning tool and the axis of rotation can be moved close to and away from each other by superposition of the primary and secondary transverse movements.

To provide a coated cutting tool which can extend a tool life in both high speed working and high feed working.SOLUTION: A coated cutting tool includes a base material, and a coating layer formed on the base material, wherein the coating layer has a first alternately laminated structure that two or more layers A and layers B are alternately formed, the layer A contains (AlaCrbTi1-a-b)N, the layer B contains (AlcTi1-c-dBd)N, average thickness of the first alternately laminated structure is 0.50 μm or more and 10.00 μm or less, and average thickness per one layer of each of the layers A and the layers B in the first alternately laminated structure is 2 nm or more and 300 nm or less.SELECTED DRAWING: Figure 1

The present invention relates to a drill bit (10) comprising: - a body (12), with a central longitudinal axis (AX) and longitudinally delimited by an end rim (14), intended to be rotated about the longitudinal axis to penetrate longitudinally from the end rim through a block in a penetration direction (T1); - a series of teeth (18) carried by the body and projecting from the end rim (14) in the penetration direction to contact the block, these teeth being spaced apart along the circumference of the end rim; wherein recesses (20) are formed in the body and spaced apart along the circumference of the end rim, each recess extending from the end rim; and wherein each tooth (18) is arranged circumferentially from each recess (20). Figure 2a

A cutting tool includes: a cutting edge configured on an intersecting line of a rake surface and a flank; a breaker wall formed inside the cutting edge and protruding above the cutting tool; a boss part including a boss surface formed above the breaker wall; and a plurality of recessed parts formed in the boss part so as to extend toward the cutting edge. The width of the breaker wall in a direction in which the cutting edge extends along an intersecting line (including a virtual intersecting line or a virtual extension of the intersecting line) of the boss surface and the breaker wall, is greater than the width of a groove formed by the recessed part along the same intersecting line.

The utility model discloses a grinding device for cutter production, and particularly relates to the technical field of grinding equipment, which comprises a base, a box body is arranged at the top of the base, a partition plate is fixedly mounted in the box body, a motor is fixedly mounted on the inner wall of one side, close to the partition plate, of the box body, and the output end of the motor is connected with a three-jaw chuck on one side of the partition plate. By means of the cleaning mechanism, linkage with a motor can be achieved, energy consumption is reduced, cost is reduced, the crankshaft is driven to drive the fan blades to rotate, dust generated by polishing is sucked, and the situation that the dust is diffused to the surroundings to pollute the environment or harm human health is avoided; a piston can be synchronously driven to push water to wash and cool a grinding cutter and a drill bit through a spray head, so that the service life of the grinding cutter and the drill bit is prevented from being influenced by friction temperature rise damage, the cutter machining efficiency is improved, the use is convenient, and the practicability is higher; according to the utility model, through the connecting assembly, the grinding knife can be conveniently disassembled and assembled, so that the grinding knife can be conveniently replaced and maintained.

A cutting tool includes a substrate at least partially coated with a coating. The substrate is a cemented carbide, cermet or ceramic. The coating includes a layer of Ti(C,N), a layer of Al2O3 and there between a bonding layer. The Ti(C,N) layer is composed of columnar grains, wherein an average grain size D422 of the Ti(C,N) layer is 25-50 nm, and wherein the Ti(C,N) layer includes a portion B1 that is adjacent to the bonding layer. An average grain size of the Ti(C,N) grains in portion B1 is larger than the average grain size D422 in the whole Ti(C,N) layer. In the portion B1 of Ti(C,N) layer the Ti(C,N) grains has an average grain size of 140-300 nm.

Provided is an attachment / detachment tool that is detachably attached to a tool attachment hole of a tool holder having a tool attachment hole and a holder disposed so as to be capable of advancing and retracting toward the inside in the radial direction of the tool attachment hole, the attachment / detachment tool being provided with: a housing that is supported at a predetermined position in the tool attachment hole and that holds the holder in the radial direction of the tool attachment hole; the housing has: an elastic body chamber; and a holder insertion hole into which the holder is inserted. A slider on which a tip tool having a blade in a base end direction can be mounted, the slider being supported by the housing, reciprocating within the tool mounting hole, and having a guide groove extending along the tool mounting hole; an elastic body that is disposed in the elastic body chamber and that biases the slider in the base end direction; and a rotation stopper disposed in the housing and inserted into the guide groove.

The invention relates to the technical field of drilling equipment, in particular to a container lock inclined hole drilling device which comprises a machine table body, a station space is arranged in the middle of the machine table body, a lifting arm is arranged in the station space of the machine table body in a lifting mode, drilling machine equipment is installed on the lifting arm, and an arc-shaped plate is arranged below the drilling machine equipment in a matched mode. A drill bit assembly is arranged on the arc-shaped plate, a control mechanism used for driving the arc-shaped plate is arranged on the lifting arm, two cavities are symmetrically formed in the machine table body, electric telescopic rods are horizontally installed in the two cavities correspondingly, butt joint mechanisms matched with the arc-shaped plate are installed on the two electric telescopic rods correspondingly, and drill bit grinding mechanisms are arranged in the two cavities correspondingly. A machined part containing mechanism is arranged at the bottom of the station space of the machine table body. According to the inclined hole drilling device, inclined hole drilling machining can be conducted by changing drill bits of different specifications, the problem that the efficiency of a single drill bit is low is effectively solved, meanwhile, the drill bits can be conveniently replaced, and the working efficiency is effectively improved.

A cutting tool includes: a cutting edge configured on an intersecting line of a rake surface and a flank; a breaker wall formed inside the cutting edge and protruding above the cutting tool; a boss part including a boss surface formed above the breaker wall; and a plurality of recessed parts formed in the boss part so as to extend toward the cutting edge. The width of the breaker wall in a direction in which the cutting edge extends along an intersecting line (including a virtual intersecting line or a virtual extension of the intersecting line) of the boss surface and the breaker wall, is greater than the width of a groove formed by the recessed part along the same intersecting line.

The invention discloses an aluminum alloy plate punching device for constructional engineering, and relates to the technical field of plate punching. The device comprises an operation table, a rack is fixedly mounted on the upper surface of the operation table, a lifting motor is fixedly mounted on the upper surface of the rack, two supporting strips are slidably mounted on the upper surface of the operation table, upper clamping blocks are slidably mounted at the ends, close to the rack, of the two supporting strips, and lower clamping blocks are slidably mounted at the ends, away from the rack, of the two supporting strips; through the arrangement of the operation table, the supporting strips, the lower clamping blocks, the threaded rods, the upper clamping blocks, the fixing blocks, the clamping plates and the threaded blocks, a plate can slide in the four horizontal directions, operation is simplified, the working efficiency is improved, and through the arrangement of the lower clamping blocks, the upper clamping blocks and the clamping plates, the machining efficiency is improved. And the clamping angles of the clamping plates on the two lower clamping blocks and the two upper clamping blocks can be automatically adjusted according to the contact surfaces of the contacted plates, so that the plates in irregular shapes are fixed.

Provided is a surface-coated cutting tool including a complex carbonitride layer on the tool body, wherein a ratio of crystal grains having a NaCl type face-centered cubic structure is 80 area % or more, xavg and yavg satisfy 0.60≤xavg≤0.90 and 0.000≤yavg≤0.050, respectively, a composition of the Ti—Al complex carbonitride layer being represented by (Ti1-xAlx)(CyN1-y), the xavg being an average of x that is an Al content in a total content of Al and Ti, and the yavg being an average of y that is a C content in a total content of C and N, the crystal grains having the NaCl type face-centered cubic structure include crystal grains in which the x repeatedly increases and decreases, the crystal grains include 10 to 40 area % of crystal grains G1 having an average distance of 40 to 160 nm and crystal grains Gs having an average distance of 1 to 7 nm.

The utility model belongs to the technical field of drill bit machining, and particularly relates to a micro drill bit production device which comprises a base plate, one end of the base plate is fixedly connected with a C shaft, the inner wall of the base plate is fixedly connected with a liquid leakage plate, the top of the liquid leakage plate is symmetrically and fixedly connected with sliding rails, and the outer walls of the sliding rails are slidably connected with sliding plates. A liquid leakage opening is formed in the middle of the sliding plate in a penetrating mode, a baffle is fixedly connected to the top of the sliding plate, side plates are symmetrically and fixedly connected to the two ends of the baffle, movable baffles are slidably connected to the outer walls of the side plates, and a drill bit clamp is fixedly assembled on one side of the C shaft. When a drill bit is used for machining, the flow direction of cooling liquid can be guided and controlled, cooling waste liquid mixed with acne chippings is prevented from splashing all around, the cooling waste liquid is collected, the waste liquid is prevented from being splashed and attached to the four walls of the machine box and precise parts, and maintenance and cleaning work is easier and saves more labor.

A fully steerable flexible curved drilling robot device comprises a first flexible tube including a concentric through hole centered on a longitudinal axis, a second flexible tube including an eccentric through hole, wherein the second flexible tube is positioned in the concentric though hole of the first flexible tube, and configured to move translationally along the longitudinal axis and rotationally about the longitudinal axis, and a drill bit connected via a bearing to a flexible drive shaft, the drill bit positioned at a distal end of the first flexible tube, and wherein the flexible drive shaft extends through the eccentric through hole of the second flexible tube and is configured to provide a rotational torque to the drill bit. A steerable flexible curved drilling robot system and drilling method are also disclosed.

A cutting insert in an aspect of the present disclosure has a cutting part. The cutting part has a first surface, a second surface, a third surface located between the first surface and the second surface, and a flow path extending from the first surface toward the second surface. The flow path has an outflow port opening into the first surface, and a first flow path extending from the outflow port toward the second surface. In a first cross section that passes through a central axis of the first flow path and is orthogonal to the first surface, a width of the first flow path in a direction parallel to the first surface increases as going away from the first surface.

In a hand-held power tool, in particular a drill, comprising a housing (110) and at least one drive motor arranged in the housing (110) for driving an output shaft (140), which has a tool holder (142) for an insert tool, wherein the output shaft (140) has a tubular transport section (144) for transporting away dust and / or drilling particles occurring during machining, and wherein, in its end region (299) close to the drive motor (120), the tubular transport section (144) is formed for discharging dust and / or drilling particles away from the output shaft (140). The output shaft (140) has, in the end region (299) of the tubular transport section (144) in a circumferential direction (202), a first plurality of recesses (213) and a second plurality of recesses (214) for discharging the dust and / or drilling particles away from the tubular transport section (144), and the first and second plurality of recesses (213, 214) are spaced apart from one another in the longitudinal direction (201) of the output shaft (140).

A cutting tool comprising a base material and a coating film disposed on the base material, wherein: the coating film includes a first layer; the first layer is formed of a plurality of hard particles; the hard particles are each formed of titanium, silicon, carbon, and nitrogen; the hard particles have a cubic crystal structure; the first layer has a columnar structure; in the first layer, the average of the ratio NSi / (NTi+NSi) of the number NSi of silicon atoms with respect to the total of the number NTi of titanium atoms and the number NSi of silicon atoms is 0.01-0.10; in the first layer, the average of the ratio NC / (NC+NN) of the number NC of carbon atoms with respect to the total of the number NC of carbon atoms and the number NN of nitrogen atoms is 0.60-0.85; the hard particles each have a laminate structure in which a first unit layer and a second unit layer are alternately laminated; the first unit layer and the second unit layer are each formed of the titanium, the silicon, the carbon, and the nitrogen; the ratio x1 of the number of silicon atoms with respect to the total of the number of titanium atoms and the number of silicon atoms in the first unit layer is greater than the ratio x2 of the number of silicon atoms with respect to the total of the number of titanium atoms and the number of silicon atoms in the second unit layer; and the ratio y1 of the number of carbon atoms with respect to the total of the number of carbon atoms and the number of nitrogen atoms in the first unit layer is greater than the ratio y2 of the number of carbon atoms with respect to the total of the number of carbon atoms and the number of nitrogen atoms in the second unit layer.

One deployment (1), showing: a boron nitride sintered body (3) having a first surface (7), a second surface (9) and a cutting edge (13) which is arranged at least on a part of a comb part (11) of the first surface (7) and the second surface (9), wherein the boron nitride sintered body (3) comprises cubic boron nitride and compressed boron nitride, wherein in a transmission X-ray diffraction of a cross-section of the boron nitride sintered body (3) perpendicular to the first surface (7), in a direction perpendicular to the first surface (7) is the X-ray intensity at the tip of a 111 diffraction peak of cubic boron nitride IcBN(111)v and the X-ray intensity at the tip of a 002 diffraction peak of compressed boron nitride IhBN(002)v, in a direction parallel to the first surface (7), the X-ray intensity at the tip of a 111 diffraction peak of cubic boron nitride IcBN(111)h and the X-ray intensity at the tip of a 002 diffraction peak of compressed boron nitride IhBN(002)h, a value for the content of compressed boron nitride, given by (IhBN(002)v+IhBN(002)h) / (IcBN(111)v+IcBN(111)h), is greater than 0.002 and less than 0.01, a cubic orientation value specified by IcBN(111)v / (IcBN(111)v+IcBN(111)h) is greater than 0.5, and an orientation value of the compressed boron nitride specified by IhBN(002)v / (IhBN(002)v+IhBN(002)h) is greater than the cubic orientation value.

The metal cutting insert has a substrate of carbide, cermet or ceramic, and at least one cutting edge defined between a rake face and a flank face. The cutting insert has a CVD coating, and the CVD coating includes a layer of aluminum titanium nitride, has a face-centered cubic lattice structure, and is represented by the formula (Al x Ti 1-x M y )C z N 1-z , where the stoichiometric coefficient of aluminum is 0.30 < x < 0.95, M is at least one element selected from the group consisting of Cl and Ar, the stoichiometric coefficient of M is 0 < y < 0.01, and the stoichiometric coefficient of carbon is 0 ≦ z ≦ 0.3. (Al x Ti 1-x M y )C z N 1-z layer satisfies the relationship 10 < |S1 - S2| < 500 MPa, where S1 is the residual stress measured on the rake face and S2 is the residual stress measured on the flank face.