21results about How to "Reduce cutting resistance" patented technology

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.

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.

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 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.

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 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.

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 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 relates to the technical field of poultry slitting, in particular to a poultry slitting device based on ultrasonic waves. The slitting part is movably mounted on the rack, can move relative to the rack and is used for slitting the poultry; the poultry placing and fixing part is arranged on the rack and used for placing and fixing poultry, and the poultry placing and fixing part comprises a placing table used for bearing the poultry; and the side fixing clamp is movably arranged on the side of the placement table and has a clamping state for clamping the limbs of the poultry and a loosening state for releasing the limbs of the poultry. The side fixing clamps are synchronously triggered to extrude and fix the poultry limbs through downward pressing power of the slitting part, multi-point synchronous locking of upward pressing, downward supporting and side clamping is achieved, dislocation in the slitting process is effectively avoided, and the slitting quality is improved.

The utility model discloses a high-chip-removal PCB drill bit, and relates to the technical field of PCB drill bits. One end of the drill body is a drill tip end, and the other end is a drill handle end; the drill body is sequentially provided with a double-groove section and a single-groove section from the drill tip end to the drill handle end, or the drill body is provided with the double-groove section from the drill tip section to the drill handle end. Grooves are formed in the peripheral wall of the drill body in a spiral surrounding mode, the grooves are parallel double grooves in the double-groove section, and the grooves are single grooves in the single-groove section. When the drill body is only provided with the double-groove section, a first cutting face is formed on the wall face close to the groove in the radial width direction. When the drill body is provided with the double-groove section and the single-groove section, a first cutting face is formed on the wall face, close to the single groove, of the single-groove section in the radial width direction. The embodiment of the utility model further provides a drilling device. The drilling device comprises the PCB drill bit. According to the scheme, the chip removal performance of the drill bit is effectively improved, the problem of wire winding of the drill bit is avoided, and the drilling quality is improved.

The application belongs to the technical field of shaft sleeve processing, and discloses a processing method of a marine shaft sleeve and the marine shaft sleeve. First, the shaft sleeve original piece is installed on a processing device, and the processing angle of a processing tool is adjusted, so that the processing tool is used for three-time cutting processing of the shaft sleeve original piece with different angle schemes and different cutting processing parameters of cutting speed, feed rate and cutting depth, to form a shaft sleeve inner hole. Then, a polishing device is used to polish the hole wall of the shaft sleeve inner hole with a preset processing scheme, until the hole diameter of the shaft sleeve inner hole is equal to the inner diameter of the marine shaft sleeve, and the roughness of the hole wall of the shaft sleeve inner hole is the preset roughness, so that the shaft sleeve original piece is formed into the marine shaft sleeve. The marine shaft sleeve is processed by using the processing method, so that the labor amount of workers can be reduced, the processing cost and the labor cost can be reduced, and the working efficiency of the processing of the marine shaft sleeve can be improved.

The utility model discloses a TCT straight knife in the field of straight knives, which comprises a knife handle and a cutting head integrally formed with the knife handle, the surface of the cutting head extends outwards to form an inclined cutting part, the surface of the cutting head extends outwards to form a chip removal part, the surface of the chip removal part sinks towards the inside of the chip removal part to form a chip removal groove, and the chip removal groove is formed in the surface of the cutting head. A chip removal groove is formed in the cutting head and extends in the inclination direction of the chip removal part, one end of the cutting head extends outwards to form a straight blade rod, the surface of the straight blade rod extends outwards to form inclined tool edge parts, and chip separation grooves are formed between the tool edge parts; according to the TCT straight cutter, the surface of the straight blade rod extends to form the inclined cutter edge parts and the chip separating grooves between the cutter edge parts, the cutting capacity and the chip discharging effect of the cutter are enhanced, the cutting process is smoother, the chip discharging grooves extend in the inclined direction of the chip discharging parts, cuttings generated in the cutting process can be rapidly discharged, and the cutting efficiency is improved. And cutter abrasion and machining surface quality reduction caused by chip accumulation are prevented.

A four-blade pagoda alloy drill comprises an alloy tool apron and a U-shaped groove rod, the bottom of the alloy tool apron is fixedly connected with the top of the U-shaped groove rod, the outer wall of the alloy tool apron is connected with a blade structure, the blade structure comprises first side blades and side cutting edges, the inner sides of the two first side blades are fixedly connected with the front side and the rear side of the alloy tool apron respectively, and the inner sides of the two side blades are fixedly connected with the rear side of the alloy tool apron respectively. The second side edge on the outer wall of the alloy tool apron is a 90-degree side edge, cutting is conducted in the direction perpendicular to the axis of the drill bit, main radial cutting force is provided, the flatness and perpendicularity of the hole wall are ensured, in the initial stage of drilling, the drill bit is helped to be rapidly centered, the machining precision is improved, and the main cutting edge at the top of the second side edge bears the main cutting task. Materials are directly cut off in the drilling process, the 90-degree angle design enables cutting force to be concentrated, a workpiece can be conveniently and rapidly cut in, drilling efficiency and machining quality are improved, an original tool bit structure is changed, axial force, tangential force and radial force are effectively dispersed, tool abrasion is reduced, and tool durability is improved.

The utility model provides a long -life high -performance screw tip tap has the coarse handle handle, thin neck and screw tip of coaxial connection as an organic whole, the chip flute made of screw tip is three groove structure, and the chip flute of three groove structure is three equal parts distribution relative to tap center axis, and the chip flute groove shape is two straight lines two circular arc form, and the smooth transition between circular arc, the screw tip still is made with straight flute, and the screw tip tap adopts the high -speed steel material of vacuum heat treatment, cryogenic treatment and passivation treatment to make. The utility model solves how to reach the technical problem of high -efficient tapping processing of high -performance screw tip tap product on numerical control equipment, improves tap life, processing high -efficient, quality is stable, long -lived, is fit for promotion.