40results about How to "Reduce cutting resistance" patented technology

The invention discloses a cutting chain type transverse shaft type cutting mechanism suitable for a coal roadway and a half-coal-rock roadway and a heading machine. The cutting mechanism comprises a main machine frame, a motor, a cutting chain, a left cutting head and a right cutting head, the motor, the cutting chain, the left cutting head and the right cutting head are installed on the main machine frame, the left cutting head and the right cutting head are located on the two sides of the cutting chain respectively, and the motor drives the cutting chain to rotate and drives the left cutting head and the right cutting head to rotate; wherein a plurality of middle cutting teeth are distributed on the cutting chain; a plurality of left cutting teeth are distributed on the left cutting head; a plurality of right cutting teeth are distributed on the right cutting head; at least part of the middle cutting picks are matched with the left cutting picks to form a spiral line shape, and at least part of the middle cutting picks are matched with the right cutting picks to form a V shape. The problem that an existing cutting mechanism is low in cutting efficiency is solved.

The utility model discloses a boring tool for an inner spherical surface of a flange hole, and belongs to the field of machining. A boring tool for the inner spherical surface of a flange hole comprises a boring tool rod and a molded surface boring tool. The boring cutter rod comprises a conical boring cutter rod handle and a rotary cutter rod connected with the boring cutter rod handle, a screw hole matched with the blind rivet is formed in the end of the boring cutter rod handle, a square hole used for installing the molded surface boring cutter is formed in the rotary cutter rod, a bolt used for fastening the molded surface boring cutter is arranged on one side of the square hole, and a threaded hole matched with the threaded hole is formed in the other side of the square hole. The profile boring cutter is specially designed in structure according to the inner spherical surface of a flange hole. Complex machining of the inner spherical surface of the flange hole can be completed at a time, multi-procedure errors are avoided, the size and shape precision is guaranteed, the requirement of a drawing is met, traditional step-by-step machining can be replaced, the tool changing frequency and the clamping time are reduced, efficiency is greatly improved, and production cost is reduced.

The utility model relates to the technical field of drilling tools, in particular to a tower-shaped stepped drill bit. The tower-shaped stepped drill bit comprises a handle body and a drill body which are integrally connected, the drill body is formed by arranging a plurality of steps step by step, each step is provided with a cutting portion, a chip groove is formed in the side wall of the drill body, a crescent groove is formed in a main cutting edge of the cutting portion of the first step located at the tip of the drill body, and the crescent groove is communicated with the chip groove. An outer edge, an arc edge and an inner edge are sequentially formed on the main cutting edge in the direction from the outer side to the inner side of the drill body, the groove face of the chip groove is a front tool face, the end face of the first step is a first rear tool face, the main cutting edge is formed at the intersecting line of one side of the front tool face and the first rear tool face, and a rear edge is formed at the intersecting line of the other side of the front tool face and the first rear tool face. An arc groove is formed in the first rear cutter face and located in the rear edge. According to the tower-shaped stepped drill bit, the center positioning capacity is improved, swinging during drilling is reduced, and the drilling efficiency is improved.

This utility model proposes an alloy end mill, including a shank and a drill body. Four main cutting edges extend outward from the center of the drill body away from the shank end. Secondary cutting edges are evenly spaced along the sides of the drill body, each secondary cutting edge corresponding to a main cutting edge. The secondary cutting edges have a stepped structure. By setting a multi-step secondary cutting edge structure, efficient integrated machining of multiple hole diameters can be achieved, effectively reducing cutting resistance. A double clearance angle structure is provided between the main cutting edges, balancing cutting sharpness and vibration resistance, improving machining stability. Simultaneously, by setting redundant transition sections and controlling the width of the secondary cutting edges, the rigidity and durability of the tool body are enhanced, comprehensively improving the tool's machining efficiency and service life.

To address the issues of insufficient performance and high cost associated with integral casting and additive manufacturing methods for parts with small-entry elliptical gradient deep cavities, and the difficulties, low efficiency, and high cost of metal removal methods, this invention proposes a machining method for elliptical gradient deep cavities with small entry points. The method involves first rough drilling and rough turning to obtain a deep hole. Then, a step-by-step machining approach is adopted, dividing the part into regions and machining them axially and radially. First, the part is tilted to machine the regions on both sides of the major axis of the ellipse. Then, the part is turned upright to machine the regions on both sides of the minor axis of the ellipse. During the upright machining, a radial layering and thin-cutting fast-running method is used. Several layers are machined using the first toolpath until the machining residue in the undercut and triangular regions is removed. Then, a second toolpath is used for contour machining to obtain a gradient deep cavity with an elliptical cross-section. Finally, the gradient deep cavity is precision milled until its internal dimensions and surface roughness meet the design requirements.

A test bench and test method for a bending and shearing combined corn stalk cutting device, relating to the technical field of agricultural machinery, comprises a cutting device frame, a power input device, a cutting device and a stalk conveying device, wherein the power input device is fixed at the rear of the cutting device frame, the cutting device is fixed above the cutting device frame, the stalk conveying device is fixed at the front of the cutting device frame, the single-tooth reed-pulling tooth is fixed to the upper part of a slotted conveying chain plate through a reed-pulling tooth mounting plate, the double-tooth reed-pulling tooth is fixed to the middle part of the slotted conveying chain plate through a reed-pulling tooth mounting plate, the upper cutting knife is fixed to the lower outer side of an upper special-shaped chain group, and the three are installed with an offset in a vertical direction, so that the cutting device can realize a "bending-shearing" type stalk cutting method, the damping hinges are symmetrically distributed on both sides above the base, and the angle of the damping hinges can be adjusted to simulate the inclination angle of the cutting table during actual operation, and the device can significantly reduce the process time required in the design, production and testing of the cutting table, effectively improve research and development efficiency and reduce costs.

This utility model discloses a novel submersible motor upper seat structure for wells, including a motor upper seat with an oil chamber and a bearing chamber inside. A mechanical seal chamber is located above the bearing chamber for installing the mechanical seal. The oil chamber and the mechanical seal chamber are connected by a slot. Positioning holes are evenly distributed along the circumference of the side of the motor upper seat, with the positioning holes positioned higher than the highest point of the oil chamber, and the highest point of the mechanical seal chamber higher than the oil chamber. This utility model modifies the positional relationship between the oil chamber, the mechanical seal chamber, and the positioning holes, reducing quality risks in casting and machining, improving product quality and production efficiency; it increases oil saturation, completing oil injection in one step, significantly saving labor costs; the upper seat is made of hard-anodized aluminum alloy, which has low cutting resistance, is easy to machine, causes less tool wear, is less prone to corrosion, has minimal impact on the appearance of the electric pump, and has a cost similar to that of gray cast iron upper seats. Aluminum alloy is lightweight, reducing transportation and assembly costs, and has good thermal conductivity, which can lower the temperature of the motor during operation.

This invention provides a multi-energy field assisted ultrasonic cutting device and method for CFRP preforms, relating to the fields of intelligent manufacturing and precision machining technology. The invention uses a laser generator to precisely and locally heat the cutting area, softening the resin matrix in the processing area and significantly reducing the material's strength and cutting resistance. Simultaneously, eddy current tubes cool the non-cutting areas of the workpiece, enhancing the stiffness of the resin matrix in these areas and the constraint force on the carbon fibers, effectively suppressing excessive deformation and displacement of the carbon fibers during processing. Ultrasonic vibration further induces brittle fracture of the carbon fibers through high-frequency impact, reducing the tensile effect caused by resin viscosity. Ultimately, this achieves the beneficial effects of high-quality, high-efficiency, and low-damage processing of CFRP preforms.

The application provides a special drilling tool for drilling a taper hole and a manufacturing method thereof, and steps are as follows: step 1, preparing a blank; step 2, processing a taper; step 3, processing a grinding groove; step 4, processing a main flank surface 2 of a chisel; step 5, grinding two main flank surfaces 1 of a drill tip; and step 6, grinding a first chip flute. The application is used for drilling a small inner hole and a large outer hole, effectively improves the drilling efficiency of the taper hole, and solves the processing problem of one-time forming of the taper hole.

The application relates to the technical field of insulator manufacturing, and discloses a roughing device for an electric porcelain insulator blank, which comprises a rack, a mold is rotationally connected to the upper surface of the rack, and a lifting frame is slidably connected to the outer surface of the rack; an adjusting shaft is rotationally connected to the outer surface of the lifting frame, a first roughing cutter and a second roughing cutter are fixedly connected to one end of the adjusting shaft, and a first adjusting assembly is arranged at the other end of the adjusting shaft and used for controlling the rotating angle of the adjusting shaft. The roughing device for the electric porcelain insulator blank can effectively solve the problem that, when the cutting amount of the blank is large, the cutting resistance of the roughing cutter is large, the roughing cutter vibrates, scratches, unevenness, burrs and other defects appear on the surface of the blank, the surface flatness is reduced, the size precision of the electric insulator blank is reduced, and the electrical performance and appearance of the insulator are affected.

The utility model relates to the technical field of milling cutters, in particular to an inner-cooling bionic indexable disc milling cutter which comprises a cutting groove formed in a cutter disc, a blade installed on the side wall of the cutting groove, a front cutter face arranged at the rhombus position of the blade, a crescent-shaped pit arranged at the corner of the front cutter face and a fishbone-shaped micro-texture arranged at the crescent-shaped pit. A flow guide boss is arranged on the side wall of the blade, different from randomness of traditional external spraying and limitation of a traditional inner cooling channel, the local cooling efficiency is effectively improved through cooperation of a bent cooling liquid channel in the cutter head and the structure on the blade; compared with a single-function micro-texture, through cooperation of the crescent-shaped concave pit-fishbone-shaped micro-texture-needle-shaped convex texture, the blade has the multiple capabilities of bending and cutting chips, breaking chips, reducing cutting resistance and prolonging the service life of the blade.

The invention provides a cutting device for aluminum alloy door and window machining, and belongs to the technical field of metal cutting equipment. The device comprises a mounting frame, and a limiting sliding groove and a reciprocating lead screw which are arranged on the mounting frame; through cooperation of the cutting and abutting device, the clamping and cleaning device, the lubricating and cooling device, the triggering device and the like, automatic cutting of the aluminum alloy door and window can be achieved, gas sprayed out of an airflow nozzle can blow away cuttings, meanwhile, the temperature of a cutting area can be reduced, a telescopic device can elastically abut against the upper side wall of the aluminum alloy door and window, and the cutting efficiency is improved. A flow guide hole with a port arranged in a big-in and small-out mode can filter lubricating liquid in a liquid storage box, the lubricating liquid can be shaken up through rotation of a cutting wheel disc, along with continuous rising of heat, a pneumatic floating plate can drive a pressure contact piece to make contact with a bearing contact piece under pushing of gas, at the moment, an electromagnetic valve is opened, and the lubricating liquid in the liquid storage box can be cut off; and the lubricating liquid can flow out from the corresponding flow dividing grooves, so that accurate cooling and lubricating treatment can be carried out on tooth spaces of the cutting wheel disc.

The invention relates to a high-hardness die fillet milling cutter, which is applied to the technical field of milling cutters, and comprises a cutter handle and a cutting part arranged at one end of the cutter handle, and the cutting part comprises a plurality of cutting edges and a spiral chip groove. The tool nose fillet blade is of the arc structure and adopts the variable rake angle structure, the design can reduce cutting resistance, improve the strength and durability of the tool nose arc and reduce vibration and noise in the cutting process, and the arc-shaped structure ensures the stability of end blade cutting and circumferential blade cutting, avoids tipping of the tool nose and improves the cutting efficiency. The end edge, the circumferential edge and the tool nose fillet edge are all subjected to blunt rounding treatment, microdefects of the cutting edge are reduced, and the cutting stability is improved. The cutting edge in the obtuse round shape can reduce the interaction force in the cutting process and reduce the cutting heat and abrasion in the machining process, so that the strength of the cutting edge is higher, and the service life of the cutter is prolonged.

According to the operation head of the waste cutting machine, it is guaranteed that the transverse push rod can adapt to the diversity of the thickness and shape of tree trunks to bend the tree trunks, the transverse posture of the transverse push rod is adjusted in the process that the trees are gradually toppled, the transverse push rod is pushed to follow and press the tree trunks, the reaction in the tree trunk toppling process is resisted, and the roller cutter head keeps the stable transverse posture; it is guaranteed that the roller cutter head accurately exerts force on the tree, position deviation and invalid cutting during cutting are reduced, the cutting efficiency is improved, the cutting adaptability of the operation head is improved, the forward toppling angle of the cut tree is controlled, tree toppling is accelerated, and the cutting efficiency is improved. The disassembly and assembly assembly is used for achieving rapid butt joint with or disengagement from the machine frame, the maintenance convenience and efficiency of the operation head are improved, the secondary cutting plate is installed in the machine frame, secondary crushing of chippings is achieved, the chipping uniformity is improved, accumulation of the chippings in the machine frame is reduced, the running resistance of the roller cutter head is reduced, the roller is prevented from being stuck, energy is saved, and the fault rate of the operation head is reduced.

The invention discloses a cutting die and a cutting device thereof, the cutting die comprises an upper die body, a lower die body and a positioning pin, and the upper die body and the lower die body are combined and connected into a whole through the positioning pin. The upper die body is provided with a first combination face and a feeding face, the upper die body is provided with a positioning through groove matched with raw materials, and the raw materials penetrate through the positioning through groove. The lower film body is provided with a second combination surface and a discharging surface, the lower film body is provided with a cutting through groove corresponding to the positioning through groove, the cutting through groove forms a blade at the edge of the second combination surface, and the raw material penetrates through the cutting through groove from the second combination surface to the discharging surface and is cut; discharging chutes are formed in the lower film body and located on the two sides of the cutting through groove. According to the cutting die and the cutting device thereof, the machining difficulty can be reduced, meanwhile, it is ensured that cutting waste is separated from the cutter in time, and therefore the cutting resistance is reduced, the machining cost is reduced, and the machining efficiency is improved.

The present invention discloses a device for continuously and automatically dropping logs or profiles at a fixed distance. A log feeding mechanism for transporting logs or profiles to a log sawing mechanism is mounted on a frame, and a log sawing mechanism is arranged next to the mechanism, and the log sawing mechanism is used to saw the logs or profiles; a plurality of log clamping structures are installed on the conveying chain of the log feeding mechanism, and each log clamping structure is used to clamp a log or profile; a mechanical control structure is arranged between the sprockets driving the master and slave shafts and the conveying chain, and the mechanical control structure is connected to each log clamping structure through the mechanical control structure, so as to drive the automatic clamping and clamping of the logs or profiles. The present invention can continuously, automatically and efficiently process log wood sections, effectively reduce cutting resistance, energy consumption, noise pollution and mechanism vibration, multiply improve the efficiency and automation level of wood section sawing processing, and ensure processing accuracy. The present invention is also suitable for automatic and efficient fixed-distance dropping processing of various profiles of metal materials and non-metal materials.

This utility model provides a core drilling structure, comprising: a drill barrel; a vibration mechanism including a cycloidal motor, an eccentric shaft, and at least one eccentric hammer, wherein the output shaft of the cycloidal motor is operatively connected to the eccentric shaft, the eccentric hammer is fixedly mounted on the eccentric shaft, and the eccentric shaft passes through the upper part of the drill barrel, so that when the cycloidal motor drives the eccentric shaft to rotate, the eccentric hammer rotates with the eccentric shaft and drives the drill barrel to vibrate; a drive mechanism including a drive motor and a gearbox, wherein the output end of the drive motor is operatively connected to the input end of the gearbox, and the output end of the gearbox is operatively connected to the drill barrel, so that the drive motor, through the gearbox, drives the drill barrel to rotate around its own axis; the cycloidal motor and the drive motor are independently disposed in the drill barrel, and when the cycloidal motor stops working, the eccentric hammer rotates synchronously with the drill barrel. This solves the technical problem of low drilling efficiency in existing drilling machines.

The utility model relates to the technical field of thick paperboard cutting, in particular to a paperboard cutting device which comprises a conveying mechanism, a cutting mechanism and a cutting mechanism. A first moving mechanism; a second moving mechanism; the first rotating mechanism is arranged on the first moving mechanism, and the first moving mechanism is used for driving the first rotating mechanism to move up and down; the second rotating mechanism is arranged on the second moving mechanism, and the second moving mechanism is used for driving the second rotating mechanism to move up and down; the first cutting disc is arranged on the first rotating mechanism, and the first rotating mechanism is used for driving the first cutting disc to rotate; the second cutting disc is arranged on the second rotating mechanism, the second cutting disc and the first cutting disc are arranged in a coplanar mode, and the second rotating mechanism is used for driving the second cutting disc to rotate; the cutting edge included angle of the first cutting disc is larger than that of the second cutting disc. The paperboard cutting device aims at solving the problem that thick paperboards are not easy to cut in the prior art.

The invention relates to the technical field of glass plate manufacturing, in particular to equipment and a method for automatically compensating glass edge grinding and polishing amount. The equipment comprises a rack and a grinding head assembly, the grinding head assembly is installed on the rack through a longitudinal and transverse floating plate set, and the grinding head assembly drives the longitudinal and transverse floating plate set to generate corresponding transverse driven displacement and longitudinal driven displacement under the counter-acting force of glass; the device further comprises a pressure sensor set arranged on the longitudinal and transverse floating plate set. The pressure sensor set senses transverse component force and longitudinal component force transmitted by the transverse driven displacement and the longitudinal driven displacement. The control system responds to a detection value of the pressure sensor set and drives the rack to move when the detection value exceeds a set threshold value range so as to correct the grinding and polishing path. The glass edge grinding and polishing device effectively solves the technical problems that in the prior art, a glass edge grinding and polishing device depends on a preset path, and excessive grinding or insufficient grinding is easily caused by path deviation generated by glass positioning precision and contour errors.

This utility model provides a taper drill for machining tapered holes in aluminum alloy steering knuckles, comprising: a shank and a cutting edge portion connected to the shank. The cutting edge portion includes at least two cutting edges symmetrically arranged about the center line of the shank, with a chip removal groove between the two cutting edges. The cutting edge diameter increases in a stepped manner, with the diameter d1 of the cutting edge furthest from the shank being smaller than the diameter d2 of the cutting edge closest to the shank. The cutting edge diameter d1 is less than or equal to the minimum diameter D1 of the tapered hole. This taper drill for machining tapered holes in aluminum alloy steering knuckles reduces the contact area between the tool edge and the workpiece when machining tapered holes using an angled head, thereby reducing cutting resistance, minimizing tool vibration and deformation, and ultimately reducing tool wear and increasing tool life.

This utility model belongs to the technical field of titanium-zirconium alloy piercing devices, specifically relating to a titanium-zirconium alloy vibration-assisted piercing device, including a frame, a longitudinal adjustment device on the frame, a transverse adjustment device on the longitudinal adjustment device, an automatic clamping assembly on the transverse adjustment device, a piercing adjustment device on the upper side of the automatic clamping assembly, a high-speed spindle on the piercing adjustment device, an ultrasonic vibration mechanism on the lower side of the high-speed spindle, an ultrasonic vibration drill bit on the lower side of the ultrasonic vibration mechanism, and a vision component on the piercing adjustment device. This utility model uses the ultrasonic vibration mechanism to drive the ultrasonic vibration drill bit to vibrate at high frequency, reducing cutting resistance and stress concentration during titanium-zirconium alloy piercing, reducing hole wall damage, and improving processing efficiency in conjunction with the high-speed spindle; at the same time, the centralized control of the PLC controller ensures that all mechanisms operate synchronously.

The present application provides an integral carbide forming milling cutter with a secondary chip groove, which includes a working part and an optional connecting part for directly or indirectly connecting to a machine tool, wherein the cutting edges each independently have a rake face, a flank face, and a cutting edge formed by the intersection of the rake face and the flank face, wherein the rake face forms a first rake angle at each location of the cutting edge, and is characterized in that a secondary chip groove is provided on the rake face, wherein the secondary chip groove extends in the length direction along the direction of the cutting edge, and wherein the secondary chip groove has a groove surface close to the cutting edge, so that the groove surface of the secondary chip groove close to the cutting edge forms a second rake angle, and the second rake angle is greater than the corresponding first rake angle. The present application forms a sharp and large rake angle of the cutting edge by providing a secondary chip groove to form a second rake angle, thereby converting a negative rake angle into a positive rake angle, thereby greatly improving cutting efficiency, reducing cutting resistance, and extending tool life.

The utility model discloses a kind of circular-arc blade of broach, including blade main body, the blade main body includes main cutting edge, positioning groove, locating surface and tool tooth, the main cutting edge is the circular-arc blade being set in tool tooth top, the tool tooth is evenly arranged along blade main body long side side, and both sides tool tooth is set with blade central axis as axis symmetry, axially extending chip flute is equipped between adjacent tool tooth, the locating surface one side is equipped with main cutting edge rake face, the main cutting edge rake face extends to tool tooth, and main cutting edge rake face and locating surface transition connection;The positioning groove is symmetrically set in blade main body short side side.The utility model's cutting edge is high in strength, not easy to wear, and the cutting life of blade is high, improves the cutting stability and processing efficiency of blade.

The utility model relates to a kind of rolling cage planer shovel type pavement deicing machine, belong to deicing equipment technical field.The utility model solves the problem that the existing deicing mode exists pollution soil, corrosion steel bar, or damage pavement and cause damage to equipment itself.The first rolling cage icebreaking wheel is connected with vehicle by connecting arm, the first rolling cage icebreaking wheel includes spacer, first planer blade and second planer blade, multiple spacers are transversely arrayed and are connected by spline shaft, both ends of spline shaft are rotatably connected with connecting arm, there is gap between adjacent spacers, first planer blade and second planer blade are alternately arranged in gap, first planer blade and second planer blade are respectively installed on both sides of spacer, the end of blade of first planer blade and second planer blade is all machined with chamfer, the angle range of chamfer is 35~40°.The utility model relates to a kind of rolling cage planer shovel type pavement deicing machine can avoid to cause hidden mark to asphalt pavement, and deicing effect is strong.

The present invention relates to the field of sampling, and specifically to a road construction drilling sampling device. The device comprises a vehicle frame and a sampling assembly arranged on the vehicle frame, wherein the sampling assembly comprises a drill tube and an inner tube, wherein a plurality of drill bits are hinged at the lower end of the drill tube, and the inner tube is coaxially inserted into the inside of the drill tube, and the inner tube is a grid structure, and the inner tube comprises a first cylinder body and a second cylinder body, and a film is arranged inside the inner tube. When drilling the road surface part, the drill bit is in a horizontal state, and the contact area between the drill bit and the road surface is large, so that a large cutting support force can be maintained to prevent the drill tube from being deformed by force; when drilling the roadbed part, the drill bit is in an upright state, and the contact area between the drill bit and the roadbed is small, so that the cutting speed is accelerated and the cutting efficiency is improved, so as to adapt to different drilling requirements and improve the sample quality; at the same time, when cutting the roadbed part, the inner tube is inserted into the roadbed in advance to support the roadbed; after the drilling is completed, the film is pulled open to wrap the sample core, so as to ensure that the distribution state of each layer structure of the sample core is accurate and the authenticity of the sample is ensured.

The utility model provides a high-sharpness dental drill with good centering, which comprises a cutter handle and a cutting edge which are connected into a whole. A connector part is arranged at the end, away from the cutting edge, of the cutter handle, the cutting edge comprises spiral cutting edges and end edges, the spiral cutting edges spirally extend along the axis of the cutting edge, and a chip groove is formed between every two adjacent spiral cutting edges. The end edge is arranged at one end of the blade. The end edges comprise centering end edges and cutting end edges, the centering end edges and the cutting end edges are integrally and sequentially arranged outwards along the center of the edge, and the included angle between every two centering end edges is smaller than the included angle between every two cutting end edges. During use, the centering end edge firstly makes contact with the jaw bone, then the cutting end edge conducts drilling, and chippings generated in the drilling process are discharged from the chip discharging groove along with the spiral cutting edge. The centering end edge with the small included angle mainly plays a role in extruding and shearing, cutting resistance is reduced, the cutting force of the inner edge and the cutting force of the outer edge are balanced, the dental drill is prevented from deviating to one side, and drilling precision and stability are improved.

The invention discloses a special turning tool for ball nut threads, which is characterized in that the special turning tool comprises a tool main body (1), the tool main body (1) is in an equilateral triangle sheet shape and comprises an upper end face (2), a lower end face (3) and three side faces (4), tool bits (5) are arranged at the three vertexes of the tool main body (1), the thickness of the tool main body (1) is 3-6mm, the side length of the tool main body (1) is 15-25mm, and the thickness of the tool main body (1) is 3-6mm. The front angle of the tool bit (5) is a positive front angle gamma 0, the value range of gamma 0 is 6-10 degrees, a first rear angle alpha 0 and a second rear angle alpha '0 are arranged on the tool bit (5), the value range of the first rear angle alpha 0 is 5-8 degrees, the value range of the second rear angle alpha' 0 is 15-20 degrees, and a mounting hole (6) is formed in the centroid of the tool body (1).

The utility model belongs to the technical field of carbon fiber cutters, particularly relates to a carbon fiber cutter with high stability, and solves the problems that in actual use, carbon fiber materials are poor in thermal conductivity, the temperature of a cutter handle is increased after long-time use, the use feeling is affected, and the overall performance and the service life of the cutter are possibly affected. According to the technical scheme, a mounting base is included, a carbon fiber cutter bar is fixedly mounted above the mounting base, a first air groove is fixedly formed in the outer wall of the carbon fiber cutter bar, an air inlet is formed in the left side of the carbon fiber cutter bar, an air outlet is formed in the periphery of the carbon fiber cutter bar, and a ventilation pipe is arranged at the joint of the air inlet and the air outlet; according to the carbon fiber cutter, the heat dissipation performance of the cutter is effectively improved, the temperature of the cutter handle is reduced when the carbon fiber cutter is used for a long time, the using feeling is improved, and the service life of the cutter is prolonged.

The present application relates to the technical field of numerical control, and discloses a diamond electro-discharge combined cutting regulation system for precise hard and brittle substrates, which comprises a control module, a wire saw cutting module, a pulse power supply and a thickness adjusting mechanism. The control module is electrically connected with the rest modules to generate process parameters and issue control instructions. The thickness adjusting mechanism adjusts the spacing of the diamond wire saw according to the instructions. The pulse power supply generates high-frequency pulse discharge between the wire saw and the hard and brittle substrate to form a discharge channel. The control module drives the wire saw to mechanically grind the substrate, and controls the pulse power supply to melt and vaporize the surface material of the substrate, and the mechanical grinding is used to remove the discharge metamorphic layer synchronously. The present application realizes the compatibility of pulse discharge and mechanical grinding in the physical space by real-time monitoring and multivariable closed-loop regulation of the processing gap state by the control module, can independently cope with abnormal working conditions, and effectively reduces the cutting resistance and the risk of wire breakage.

The invention provides a solid carbide milling cutter which is characterized in that an auxiliary chip pocket is formed in a peripheral blade front cutter face and provided with a groove face close to a peripheral blade cutting edge, and the groove face is a second front angle face, so that a peripheral blade second front angle is formed in the groove face, close to the peripheral blade cutting edge, of the auxiliary chip pocket; the second front angle of the circumferential blade is larger than the corresponding first front angle of the circumferential blade, one or more reinforcing parts are arranged in the auxiliary chip flute, the reinforcing parts are reinforcing ribs or bulges arranged on the groove surface far away from the cutting edge of the circumferential blade, so that the auxiliary chip flute is provided with a plurality of groove sections, and the width of the reinforcing parts is 0.1 mm to 5mm. According to the technical scheme, the sharpness of the cutting edge of the milling cutter can be improved, the cutting force is reduced, and the cutting performance is improved from multiple aspects of enhancing the abrasion resistance of the cutting edge, effectively cooling the cutter and cuttings, effectively controlling the size of the cuttings and the like.