1598results about "Turning tools" patented technology

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.

The invention discloses a horizontal lathe for finish machining of a workpiece, and relates to the field of lathes, the horizontal lathe comprises a lathe body, a spindle box, chucks, a tool rest, a second electric push rod, a cooling chip removal assembly and an annular workpiece, the number of the chucks is two, the chucks are installed on the left side and the right side of the interior of the lathe body respectively, and the chuck on the left side is fixedly connected with an output shaft of the spindle box; the spindle box is fixedly installed on the left side of the inner wall of the lathe bed. Through cooperation of the annular workpiece, the chuck, the chuck jaws, the adjusting assembly and the driving motor, the chuck jaw adjusting effect in three directions is achieved through the arrangement of the adjusting assembly, the chuck adopts a three-jaw self-centering mode, the chuck rapidly and firmly clamps the annular workpiece, the chuck jaws are subjected to precise grinding, and the machining precision is improved. The clamping face is attached to the outer circle or the inner hole of the circular-ring-shaped workpiece, the chuck jaw is used for meeting the requirements of different circular-ring-shaped workpieces, automatic alignment and clamping are achieved, manual alignment errors are reduced, the coaxiality of the clamped circular-ring-shaped workpieces is guaranteed, and the clamping device is a core part for positioning and machining the circular-ring-shaped workpieces.

The utility model is suitable for the technical field of deburring cutters, and provides an aluminum pipe inside and outside deburring cutter which comprises a supporting disc. The three first ball screws and the second ball screw rotate in the supporting disc, the second ball screw is located between the two first ball screws, and the three first ball screws are axially arranged in the supporting disc at equal intervals; the driven bevel gears are respectively fixed at one end of the ball screw I and one end of the ball screw II; the movable frame is fixed on a nut seat on the first ball screw through a screw; the rotating rod rotates on the inner side wall of the moving frame; through mutual cooperation of the rotating rod and the deburring cutter, on one hand, the cutter can be positioned on the inner side of the aluminum pipe with gears of different inner diameters, it is guaranteed that the deburring cutter is continuously attached to the inner side wall of the aluminum pipe, the aluminum pipe is prevented from being scratched during deburring, and on the other hand, it can be guaranteed that the cutter moves stably in the aluminum pipe, and uniform deburring of the inner side wall of the aluminum pipe is achieved.

The invention relates to the technical field of turbine shaft machining, and discloses a turbocharger turbine shaft machining device which comprises a machining bin and further comprises a visual door plate installed at an open hole formed in the front face of the machining bin and used for opening and closing the visual door plate and taking and placing the turbine shaft. The machining table is fixedly connected to the interior of the machining bin and used for machining the turbine shaft; the clamping mechanism is arranged above the machining table and used for clamping the turbine shaft; and the moving mechanism is arranged above the processing table. By arranging the clamping mechanism and adopting the scheme that a conical groove pushes a plurality of sets of push rods and clamping blocks to synchronously and radially move, high-precision automatic centering of the turbine shaft is achieved, it is guaranteed that the rotation center of a workpiece and the machining center strictly coincide, the machining roundness is guaranteed from the source, meanwhile, a first spring provides uniform clamping force, and the machining precision is improved. And deformation or surface damage of the thin-wall part possibly caused by a traditional rigid clamp is avoided, and rigid-flexible precise clamping is achieved.

A cutting tool includes a tool body having at least one seat for receiving a cartridge or a cutting insert. The seat includes at least one support surface. The cutting tool body includes a sensor retaining structure adjoining the support surface and a piezo sensor arranged in the sensor retaining structure. The cutting tool has a clamping device for securing the cartridge or cutting insert. The piezo sensor is an elastically deformable piezo sensor, which has a central longitudinal axis and a direction of sensitivity perpendicular to the central longitudinal axis. The piezo sensor has a measuring section, along which the central longitudinal axis is substantially parallel to the support surface. The piezo sensor is elastically deformed in the sensor retaining structure to a pre-stressed initial state and deformable to a plurality of further stressed measuring states.

The application provides a blade sharpening and width measuring device of a fabric cutting equipment, which comprises a bottom plate, a sliding table, a motor assembly, a transmission wheel assembly, a blade sharpening assembly, a driving assembly and a measuring assembly; a grinding wheel set is installed on the sliding table, the sliding table moves towards the direction of the cutter under the driving of the driving assembly, the grinding wheel set abuts against the cutter, the motor assembly starts the rotation of the grinding wheel set through the transmission wheel assembly, the measuring plate moves with the sliding table, the slope on the measuring plate moves with the sliding table, the distance between the slope and the sensor unit is close, when the grinding wheel set abuts against the blade edge, the distance between the slope and the sensor unit no longer changes, the sensor unit detects the distance at this time, and then the distance is converted into actual blade sharpening compensation data, so that the actual blade width data can be quickly obtained.

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.

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.

A cutting insert according to an aspect includes a base portion and a cutting portion. The cutting portion includes a front end surface, an top surface, a first lateral surface, a second lateral surface, a front cutting edge, and a lateral cutting edge. The front cutting edge includes a first cutting edge and a second cutting edge, and a radius of curvature of the first cutting edge is greater than a radius of curvature of the second cutting edge.

The invention relates to a cutting insert (1, 10) for a turning tool. The cutting insert comprises a top surface (2), a bottom surface (3), a front surface (6), a rear surface (7) and first and second side surfaces (4, 5). A longitudinal axis (A1) intersects the front and rear surfaces (6, 7) and extends mid-way between the first and second side surfaces (4, 5). A cutting edge (8) is formed at an intersection between the top surface (2) and the front surface (6), wherein the cutting edge (8) comprises a surface generating cutting edge (9), a first major cutting edge portion (17) and a first corner cutting edge (15). The first major cutting edge portion (17) extends rearward from the surface generating cutting edge (9), and the first corner cutting edge (15) extends rearward from the first major cutting edge portion (17). In a plan view of the top surface, the first corner cutting edge (15) is convexly curved and has a first length of extension (L1) and the surface generating cutting edge (9) is convexly curved and has a second length of extension (L2), wherein the first length of extension (L1) is greater than the second length of extension (L2).

The invention discloses a cutting blade and a cutting tool, and relates to the technical field of cutting tools, the cutting blade is provided with an upper wall surface and a side wall surface, a cutting edge is formed at least partially at the intersection of the upper wall surface and the side wall surface, the cutting edge at least comprises a tool nose cutting edge extending in an arc shape, and the upper wall surface is provided with a front tool surface, a chip breaker groove and a top surface. The upper wall face is provided with a protruding part corresponding to the tool nose cutting edge, at least part of the protruding part is located in the chip breaker groove, the protruding part extends to the front tool face from the top face, a flow guide groove is formed in the protruding part, and the flow guide groove extends to the front tool face from the top face. The protruding part is arranged and can be at least supported between the groove wall of the chip breaker groove and the front tool face, so that the structural strength of the cutting blade is improved; a flow guide groove is further formed in the protruding part, chip curling is facilitated, chip removal smoothness is improved, the risk of chip blockage is reduced, meanwhile, the flow guide groove can guide cutting fluid, the cooling efficiency of the cutting blade is improved, and the risk of tipping or damage of the cutting blade is reduced.

A grooving or part-off tool assembly for Swiss-style machining includes a holder. The holder includes a resilient normally-closed holder clamp. In a preferred embodiment the holder clamp biases a blade holding a cutting insert against a pocket side abutment surface of a holder pocket.

A machine tool, a machine component, a cutting blade, a drill bit, a grinding device, or a shredding / crushing device that is at least partially formed of a metal alloy that includes rhenium; said metal alloy includes a) at least 5 awt. % rhenium or b) at least 5 wt. % rhenium.

The invention relates to the technical field of machining, in particular to a part polishing-free machining system based on multi-dimensional feature definition, which is characterized in that a feature defining unit is used for defining a polishing-free feature and a polishing-less feature of a part from a machining dimension and a surface treatment dimension; the cutter and cutter handle matching unit is used for designing a highlight cutter based on a feature defining result and matching an adaptive cutter handle; the parameter optimization unit is used for optimizing machining parameters to eliminate machining defects; the feature defining unit, the cutter handle matching unit, the parameter optimizing unit and the intelligent process unit are in signal connection in sequence. According to the method, the polishing-free feature and the less-polishing feature of the part are doubly defined through the machining dimension and the surface treatment dimension, the highlight cutter is designed based on the feature parameters, the cutter handle and the machining parameters are matched, and the machining defects such as cutter vibration black marks are eliminated so as to meet the polishing-free requirement; and meanwhile, the optimized machining scheme and tool parameters are input into an intelligent process system, and the quality consistency of batch machining is achieved.

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 belongs to the field of cutting tool production and manufacturing, and particularly relates to a coated tool suitable for titanium alloy machining and a preparation method thereof.The coated tool sequentially comprises a toughening matrix, a CrN coating, a Cr-B-N coating, a CrB2 / CraAlbNc coating and a (CrxAlyBz) N coating from inside to outside, the CrB2 / CraAlbNc coating is formed by circularly stacking CrB2 sublayer / CraAlbNc sublayer composite structure units, the CrB2 sublayer / CraAlbNc sublayer composite structure unit comprises a CrB2 sublayer and a CraAlbNc sublayer, the number of cycles is 1-4, and the CrN coating, the Cr-B-N coating, the CrB2 / CraAlbNc coating and the (CrxAlyBz) N coating are all prepared through a chemical vapor deposition method. According to the method, a matrix toughening process is optimized and combined with a multi-layer composite coating which is prepared by adopting CVD and has specific components, so that the binding force, hardness, wear resistance, high-temperature oxidation resistance and bonding resistance of the coating and a matrix are remarkably improved, and the problems that a tool is prone to oxidation, bonding wear, tipping and the like in the titanium alloy machining process are effectively solved.

The invention relates to a polycrystalline cubic boron nitride coated cutting tool and a preparation method and application thereof.The polycrystalline cubic boron nitride coated cutting tool comprises a PCBN base body and a first coating formed on the PCBN base body, the PCBN base body is at least provided with a polycrystalline layer, the polycrystalline layer comprises cubic boron nitride, a first binder and a second binder, and the first coating is formed on the PCBN base body. The second binder is selected from a mixture of one or more of aluminum, titanium, cobalt, nickel, tungsten, niobium, tantalum and zirconium, and the ratio of the average particle size of the cubic boron nitride to the average thickness of the first coating is 0.5-2.5. The thermal expansion coefficient of the PCBN polycrystalline layer is matched with the thermal expansion coefficient of the coating by regulating and controlling the formula of the PCBN substrate (the type and proportion of the binder) and the formula of the coating, and the thermal stress between interfaces during cutting is reduced; and by regulating and controlling the thickness of the cubic boron nitride and the coating, the deposition nucleation of the coating is compact, and the hardness of the coating is matched with that of a polycrystalline layer.

The invention relates to an anti-vibration cutter bar system for oversized-diameter deep hole trepanning, belongs to the technical field of deep hole machining, and solves the problems of large machining vibration, difficulty in guaranteeing hole shape precision, abnormal wear of a cutter and the like caused by insufficient rigidity and poor guide stability of a cutter bar system during oversized-diameter deep hole trepanning machining in the prior art. The system comprises a boring rod and a modularized trepanning cutter crown, wherein the modularized trepanning cutter crown is combined with the front end of the boring rod through a transmission convex key and a screw; at least one alloy guide key and at least one piece of damping wood are arranged on the outer circle face of the modular trepanning cutter crown, and the alloy guide keys and the damping wood jointly form a composite anti-vibration guide structure. Vibration in the machining process is effectively restrained through the composite anti-vibration guide structure, the dynamic stability of a tool bar system is improved, the tool bar system is particularly suitable for trepanning machining of super-large-diameter deep holes with the diameter larger than 400 mm, the machining requirements of different inner hole diameters can be met by replacing tool crowns of different sizes, and the machining precision and efficiency are improved.

The application relates to the boring technical field and particularly relates to a semi-axle machining boring equipment; the equipment comprises a machine tool and a three-jaw chuck with a feeding hole on the machine tool; the three-jaw chuck is driven to rotate by the machine tool; the working surface of the machine tool is horizontally provided with a track; the track is slidably connected with a feeding seat on the left and right sides; the upper surface of the feeding seat is fixedly connected with a clamping seat through a lifting table; the clamping seat is connected with a cutter bar on the left side; the arc-shaped outer wall of the cutter bar is provided with a rod groove at the lower position; the left and right inner walls of the rod groove are connected with a screw rod; the rod groove is movably connected with a plurality of cutter blades; the standard workpiece is used to pre-adjust the cutter blades and lock the adjacent height difference; only the workpiece rotation and the cutter blade radial feeding are needed during boring, the cutter blades do not need to be frequently adjusted, the clamping is convenient, the boring is stable, the multi-step hole machining requirement is met, the efficiency is higher, the high-precision hole diameter difference scene is adapted, the multi-cutter blade synchronous cutting shortens the feeding cycle, and the batch production is adapted.

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.

To provide a cutting insert, a body, and a cutting tool capable of suppressing a thickness while being usable by switching four cutting edges.SOLUTION: A cutting insert 30 attached to a body 20 of a cutting tool 10 includes: a first surface 110 having a substantially parallelogram shape, including one end surface among a pair of end surfaces facing each other, and functioning as a surface including first rake surfaces 151, 152; a pair of first cutting edges 511, 512 formed along a pair of sides 111, 113 facing each other among sides defining the first surface 110; second surfaces 210, 220 having a substantially trapezoidal shape, including a pair of side surfaces facing each other, and functioning as a surface including second rake surfaces 621, 622; and second cutting edges 521, 522 formed along one side 201, 203 among sides defining the second surfaces 210, 220.SELECTED DRAWING: Figure 1

A cubic boron nitride (cBN)-based composite including about 30 - 65 vol. % cBN, about 15 - 45 vol. % titanium (Ti)-containing binders, about 2 - 20 vol. % zirconium dioxide (ZrO2), about 3 - 15 vol. % cobalt-tungsten-borides (CoxWyBz), and about 2 - 15 vol. % aluminum oxide (AI2O3).

This surface-coated cutting tool comprises a base including a WC-based cemented carbide, and a coating layer provided on the base and comprising a lower layer and an upper layer overlying the lower layer, wherein the lower layer has an average thickness of 5-500 nm and has a composition represented by the formula WxTi1-x-y-z-sAyCzNs (A is at least one element selected from the group consisting of Cr, Ta, Nb, and V, the average of x, xavg, satisfies 0.05≤xavg≤0.30, the average of y, yavg, satisfies 0.00≤yavg≤0.05, the average of z, zavg, satisfies 0.00≤zavg≤0.10, the average of s, savg, satisfies 0.05≤savg≤0.30, and xavg≥2×zavg is satisfied) and the upper layer has an average thickness of 0.3-6.0 μm and has a composition represented by the formula AldM11-dN (M1 is at least one element selected from the group consisting of Ti, Cr, Ta, B, Si, Mo, and W, and the average of d, davg, satisfies 0.20≤davg≤0.80).

A coated tool according to the present disclosure comprises a substrate, a first coating layer, a second coating layer, and a third coating layer. The first coating layer contains Al, Ti, Cr, and N. The second coating layer includes a first film and a second film. The first film contains Al, Ti, Cr, and N and has a Ti / Al ratio higher than that of the first coating layer. The second film contains Al, Ti, Cr, and N and has a Cr / Al ratio higher than that of the first coating layer. The third coating layer includes a third film and a fourth film. The third film contains Al, Ti, Cr, and N and has a Ti / Al ratio higher than that of the first film. The fourth film contains Al, Ti, Cr, and N and has a Cr / Al ratio higher than that of the second film.

A coated cutting tool including: a base material; and a hard coat over the base material. The hard coat is a nitride or a carbonitride containing titanium (Ti) at 60 atom% or more and 95 atom% or less and silicon (Si) at 5 atom% or more and 40 atom% or less with respect to the total amount of metals including a metalloid. In the hard coat, in a case where a total of metal elements including a metalloid, and non-metal elements is set to 100 atom%, an atomic ratio (atom%) A of the metal elements including the metalloid and an atomic ratio (atom%) B of nitrogen satisfy a relationship of 1.1 < B / A. In the hard coat, a crystal structure is a cubic crystal and a full width at half maximum of a (200) plane of the cubic crystal in X-ray diffraction is 0.75° or more and 1.10° or less.

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.

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 pulling processing, a third cutting edge portion for finished-surface processing, a first connection cutting edge portion, and a second connection cutting edge portion. The third cutting edge portion is disposed between the first cutting edge portion and the second cutting edge portion. The first cutting edge portion has a curved shape. A curvature radius of the first cutting edge portion is 0.1 mm or more and 2.4 mm or less. The second cutting edge portion has a straight line shape or a curved shape having a curvature radius of 3 mm or more.

The invention provides a tool apron device for turning tool chip breaking and a control method, and relates to the technical field of machining. The tool apron device for turning tool chip breaking comprises a tool turret body, an X-direction chip breaking tool apron used for X-direction vibration or a Z-direction chip breaking tool apron used for Z-direction vibration is selectively arranged at the bottom of the tool turret body, and the X-direction chip breaking tool apron and the Z-direction chip breaking tool apron are installed at the same position of the tool turret body through bolts. According to the turning tool chip breaking tool apron device and the control method, high-frequency reciprocating vibration needed by chip breaking is completely limited in an independent chip breaking tool apron and is achieved by a servo motor of a tool turret through a mechanism in the tool apron, an X-axis lead screw, a Z-axis lead screw and a guide rail of a machine tool do not participate in chip breaking motion any more, only normal main cutting feeding is executed, and the working efficiency is greatly improved. Abnormal abrasion caused by the chip breaking function is fundamentally eliminated, the precision retention period and the service life of a machine tool are greatly prolonged, and the maintenance cost is reduced.

The invention provides a numerical control tool assembly with a blade capable of achieving deflection protection, and belongs to the technical field of numerical control tools. The numerical control cutter assembly with the blade capable of achieving deflection protection comprises a cutter bar, the blade, a sealing cover and a driving mechanism. A mounting seat is arranged at one end of the cutter bar; a mounting shaft is rotationally connected to the mounting seat; and a mounting chamber is arranged on the mounting seat. The blade is fixedly connected to the mounting shaft; the blade is vertical to the mounting shaft and is positioned outside the mounting chamber; the blade is provided with a long shaft and a short shaft which are perpendicular to each other, and the cutting edge part of the blade is arranged at the end of the long shaft. The sealing cover is detachably connected to the cutter bar; a protection groove is formed between the sealing cover and the installation base, and the blade is arranged in the protection groove. When machining is not carried out, only the worm needs to be rotated reversely, so that the blade is driven to rotate reversely and enters the protection groove again. A worker does not need to frequently disassemble and assemble the blade and does not make contact with the blade, and the situation that the worker is injured due to the fact that the worker makes contact with the blade by mistake is avoided.