19results about How to "Reduce cutting force" patented technology

The application discloses a groove cutter for machining a turbocharger shell annular groove and a turbocharger shell, the groove cutter comprising a first cutter body, a second cutter body and a cutting edge. The stable clamping of the first cutter body lays a foundation for machining precision, avoiding machining errors caused by clamping deviation; the design of the chip removal angle A and the support angle B of the second cutter body not only solves the problem of chip removal, but also enhances the strength of the groove cutter, reduces cutting heat and groove cutter deformation; the cutting edge comprises a straight edge section and a semicircular edge, which controls the cutting contact area, reduces the cutting force and vibration, and protects the edge. The joint action of these designs not only makes the machining precision of the annular groove meet the assembly and use requirements of the shell, but also improves the service life of the groove cutter, reduces the number and time of tool replacement, reduces the machining cost, improves the overall machining efficiency, and fully meets the batch production requirements of the new energy automobile turbocharger shell.

This invention relates to a teardrop-shaped chip divider for precision broaching of tenon grooves in aero-engines, belonging to the field of aero-engine manufacturing technology. The chip divider features a smooth contour composed of arcs and straight lines within a specific range, and is tangentially connected to the back face of the cutting teeth. This results in a large, smooth, streamlined cross-section without sharp points, effectively solving the industry problem of sharp-cornered chip dividers scratching the machined surface of the workpiece during precision broaching. While ensuring chip breaking and chip separation functions, it significantly improves the surface roughness quality of the tenon groove. It is suitable for precision broaching of high-requirement parts such as compressor discs and fan discs, improving blade machining efficiency.

This utility model relates to the field of metal processing technology, specifically to a metal processing cutting tool. It includes a tool body, a tool holder, and a cutting head disposed at one end of the tool holder. A first drive shaft is fixedly mounted at one end of the tool holder, and a first mating hole is formed at the end of the first drive shaft away from the tool holder. A central rod is rotatably mounted at the first mating hole, and a second drive shaft is mounted at the end of the central rod away from the tool holder. This utility model incorporates a central rod within the tool body. The rotation of the central rod generates rotational inertia, which counteracts low-frequency vibrations, thereby improving the stability of the cutting process and resulting in less chip breaking at the workpiece.

The present application belongs to the field of processing tools of cam curve lens barrel, disclose a kind of cam curve zoom lens barrel high-precision milling clamps, including zoom lens barrel body, mandrel, centering ring, tool base, mandrel outer circle is designed with the angle guide groove four groups with bottom surface, for the filling of molten wax, the centering ring in the present application is placed in tool base, after being pressed, the change of inner hole and outer circle diameter, cooperate with mandrel outer circle and tool base;Through mandrel outer circle and tool base end face to zoom lens barrel body positioning, guarantee the rigidity and machining precision when zoom lens barrel body processing;Through the design of pin hole on zoom lens barrel body, ensure the starting position determination of cam curve milling when sub-clamping.This application simple structure, compact, operability is strong;Solved the low rigidity problem when zoom lens barrel cam curve milling.

The application belongs to the technical field of advanced manufacturing and mine machinery equipment, and discloses a preparation method of a full-negative Poisson ratio energy-absorbing component, which solves the problem that the existing energy-absorbing component design cannot meet the high energy-absorbing demand under extreme impact working conditions. The method comprises the following steps: (1) full-parameterization design of a macro-negative Poisson ratio structure based on multi-target Bayesian optimization; (2) preparation and process parameter simulation optimization of a micro-negative Poisson ratio steel forming powder; (3) laser additive-warm subtractive composite preparation of a full-negative Poisson ratio porous structure component; and (4) post-heat treatment of the full-negative Poisson ratio porous structure component and macroscopic and microscopic toughening regulation. The application greatly improves the energy-absorbing efficiency, breaks through the bottleneck of high-precision preparation of a complex interconnected porous structure, and realizes the optimal balance of full-parameterization design and multi-target performance.

The invention relates to the technical field of ceramic matrix composite part machining, in particular to a ceramic matrix composite flow guide plate machining method which comprises the steps that a part blank of a fan-shaped section structure is machined, a central positioning hole, a fan-shaped section bevel edge, an inner arc edge and an outer arc edge are roughly machined through long-pulse laser, and then the fan-shaped section bevel edge, the inner arc edge and the outer arc edge are machined; performing finish machining on the outer molded surface, the bevel edge of the fan-shaped section, the inner arc edge, the outer arc edge, the inner molded surface and the central positioning hole by adopting ultrasonic vibration auxiliary milling equipment, and finally performing laser machining on the air film hole; and the whole ring blank is machined, ultrasonic vibration auxiliary milling equipment is firstly adopted for machining, then laser machining is conducted on the air film hole, then long-pulse laser is adopted for cutting the whole ring blank into a part blank, and finally the ultrasonic vibration auxiliary milling equipment is adopted for conducting finish machining on the part blank. According to the method, long pulse laser cutting and ultrasonic vibration auxiliary milling machining are combined, and the air film holes are machined through laser, so that the machining stability, efficiency, reliability and quality of the ceramic-based composite material flow guide plate can be improved.

The invention discloses a method for preparing a hard alloy cutter with an incomplete covering coating on a core part and a cutting blade. The hard alloy cutter comprises a clamping part and a cutting part, the cutting part comprises a front cutter surface, a rear cutter surface, an auxiliary rear cutter surface, a main cutting edge formed by intersecting the front cutter surface and the rear cutter surface, and an auxiliary cutting edge formed by intersecting the front cutter surface and the auxiliary rear cutter surface; the method for preparing the hard alloy cutter with the incomplete covering coating on the core comprises the following steps that S1, the hard alloy cutter to be coated is placed and then fed into a chemical coating furnace or a physical coating furnace, and a first pre-coating completely covering a cutting part of the hard alloy cutter to be coated is prepared; s2, the first precoating on at least one of the front tool face, the rear tool face and the auxiliary rear tool face of the cutting part is subjected to material removal machining, and a first coating incompletely covering the core part of the hard alloy tool is formed; and S3, the whole to-be-coated hard alloy cutter is fed into a physical coating furnace, and a second coating completely covering the cutting part of the to-be-coated hard alloy cutter is prepared. The method can be used for preparing the hard alloy cutter and the cutting blade which are high in cutting efficiency and long in service life and are provided with the incompletely-covered coating at the core part.

This utility model provides a wear-resistant and high-toughness composite titanium-based cermet cutting tool, relating to the field of metal cutting technology. It includes a tool head assembly, which comprises a titanium-based cermet base, a transition layer, and a composite wear-resistant coating. The composite wear-resistant coating is deposited on the surface of the tool head assembly by magnetron sputtering. The transition layer covers the outer side of the composite wear-resistant coating. The tool head assembly consists of a titanium-based cermet base, a transition layer, and a composite wear-resistant coating. The 8-12μm thick composite wear-resistant coating is applied to the surface by magnetron sputtering, effectively resisting wear and significantly extending the tool head's service life. The transition layer covers the outer side, enhancing the bonding force between the coating and the base, uniformly dispersing stress, and improving overall stability. The cutting edge on the outer side of the titanium-based cermet base has a reasonable angle design for efficient cutting. A locking groove below the base forms a tool clamping rod, providing a secure connection and facilitating installation and disassembly. This allows the tool head assembly to operate accurately and efficiently in various cutting operations, reducing maintenance costs and improving processing efficiency and product quality.

The utility model discloses a milling cutter for machining an aluminum alloy product, and relates to the technical field of milling. The milling cutter for aluminum alloy product machining comprises a cutter handle and a mounting block arranged on the outer wall of the cutter handle, a connecting mechanism is arranged on the outer wall of the cutter handle, and a milling mechanism is arranged at the end, away from the cutter handle, of the mounting block; the connecting mechanism comprises a connecting part and a control part; the connecting mechanism has the technical effects that when the connecting mechanism is installed, only the connecting plates need to be inserted into the fixing sleeves and aligned with the inserting grooves, the lifting ring is controlled to slide down, the wedge-shaped blocks push the control rods to rotate, then the inserting blocks are driven to be inserted into the inserting grooves to complete preliminary locking, and then the connecting mechanism can be stably fixed by screwing down the extrusion screws; reverse operation is carried out during dismounting, no complex tool is needed, the mounting and dismounting time is greatly saved, meanwhile, the multiple fixing structures guarantee the connection stability, and the screw rod penetrates through the fixing sleeve and the connecting plate for secondary fixing.

This utility model relates to a fully automatic copper plate tearing device, comprising a clamping and cutting mechanism, which includes a clamping component and a cutting component. The clamping component clamps the copper plate to be cut, and the cutting component cuts the copper plate into copper strips. A pushing platform mechanism includes a pushing component and a pushing platform. The pushing platform holds the copper plate, and the pushing component pushes the copper plate on the pushing platform into the clamping and cutting mechanism. A tearing mechanism tears the copper strips into copper sheets. This utility model first uses the clamping and cutting mechanism to cut the copper plate into copper strips, and then uses the tearing mechanism to tear the copper strips into copper sheets, thereby reducing equipment wear in the tearing mechanism and increasing the contact area between the copper plate and sulfuric acid, thus improving the preparation speed of the stock solution.

This invention relates to a high-efficiency ultrasonic six-axis machining center, belonging to the field of aerospace material processing technology. It includes a support frame, with a PU conveyor platform fixed to its upper surface. A crossbeam is fixed to the upper surface of the PU conveyor platform, and a cutting area is located on the upper side of the crossbeam. A dustproof processing mechanism for fully enclosed processing of the cutting area is provided on the upper side of the PU conveyor platform. This high-efficiency ultrasonic six-axis machining center, through the synergistic effect of the dustproof processing mechanism, utilizes a fan A to drive airflow through a hollow plate, air duct, and air curtain gun A to form a positive pressure laminar flow air curtain surrounding the cutting area, effectively blocking the outward diffusion of fine dust. Simultaneously, a hanging pipe, side suction pipe, and suction head are used to powerfully suction the settled dust inside the sealing frame and below the PU conveyor platform, achieving dual control of dust source suppression and end-point collection. Furthermore, a rubber wheel driven by an electric push rod can dynamically seal the gap between the sealing frame and the workpiece.

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.

This invention belongs to the field of ceramic matrix composite material machining technology, and discloses a SiC f A method for drilling small, oblique holes in SiC ceramic matrix composites includes: using a grinding head with applied ultrasonic vibration to drill the SiC... f The SiC ceramic matrix composite workpiece is subjected to dot-mapping to form a slanted small hole inlet platform; an ultrasonically vibrating drill bit is used at the slanted small hole inlet platform to drill the SiC to be processed. f This invention aims to solve the problem of drilling oblique small holes in SiC ceramic matrix composite workpieces. f The high hardness, brittleness, and inhomogeneity of SiC ceramic matrix composites present technical challenges, such as difficulty in drilling small oblique holes and easy tool breakage during the machining process.

The application discloses an ultrasonic vibration and laser-assisted combined ceramic matrix composite material drilling device and belongs to the field of composite material processing.The device comprises a laser, a main shaft laser channel, a compressed air channel, an optical path adjusting device, an ultrasonic vibration device, a fixing device, a drill bit and the like, wherein the laser is used for emitting laser light, the laser light is incident to the optical path adjusting device through the main shaft laser channel, the optical path adjusting device and the fixing device ensure that two beams of laser light emitted after light splitting are always irradiated by a drill bit through hole on the drill bit, and the function of heating and softening workpiece material is realized; the ultrasonic vibration device makes the end of the drill bit output the main shaft rotation movement and simultaneously output a longitudinal-torsional composite ultrasonic vibration with a certain amplitude, realizes an intermittent contact cutting drilling mode, and reduces cutting force and torque; compressed air blows away cutting chips through the compressed air channel and the drill bit through hole on the drill bit; longitudinal-torsional composite ultrasonic vibration, laser-assisted processing and drilling are organically combined, the damage of the air outlet and inlet is reduced, and the processing quality is improved.

This invention provides a device for machining the inner hole of a slender tube with a large length-to-diameter ratio, comprising a first lathe body connected in series with a second lathe body. A lathe spindle box is located at the end of the first lathe body, and clamping devices are located at both ends of the lathe spindle. Movable support frames and trays are provided on the guide rails of both the first and second lathe bodies. The movable support frames are positioned on both sides of the lathe spindle box, and the trays are located on one side of the movable support frames. An elastic bracket is located on the top of the tray of the first lathe body, and an ultrasonic spindle is located on the top of the elastic bracket. An elastic bracket is also located on the top of the tray of the second lathe body, and a rotating clamping sleeve is located on the elastic bracket. The workpiece passes through a slender tube fixing device, which passes through the spindle hole of the lathe spindle box and is fixed by the clamping devices. A tool holder device passes through the workpiece, with one end connected to the rotating clamping sleeve and the other end connected to the ultrasonic spindle. This invention improves the rigidity of the workpiece and the machining accuracy.

This application relates to the field of circuit board technology and provides a processing method, drilling equipment, system, and hybrid substrate. The processing method includes: placing a substrate to be drilled on a processing platform; the substrate to be drilled is formed by laminating a circuit layer and a ceramic layer with pre-drilled holes; removing material from the substrate along the depth direction of the pre-drilled holes according to a preset processing strategy until a cross-layer hole structure penetrating the ceramic layer and the circuit layer is formed; the preset processing strategy includes at least mechanical drilling, where the drill bit is larger than or equal to the target hole diameter; wherein, when the pre-drilled hole is a through hole, mechanical drilling is performed according to preset first mechanical processing parameters; when the pre-drilled hole is a blind hole, material is removed along the depth direction by laser processing, and then mechanical drilling is performed along the depth direction. The embodiments of this application can achieve both processing quality and efficiency of the hole structure in a hybrid substrate with a ceramic layer.

The utility model provides a PCD (Poly Crystal Diamond) milling blade with a high-gloss surface, the width of an upper-end cutting edge of the PCD milling blade with the high-gloss surface is 1.8 mm, the upper-end cutting edge is arc-shaped, the radius of the upper-end cutting edge is 90mm, and the center distance of the upper-end cutting edge is 0.94 mm. The PCD material is adopted, so that the high-temperature-resistant and high-durability PCD drill bit has the excellent performance of extremely low friction force proportion, high temperature resistance, high durability, high physical wear resistance, high chemical wear resistance, high crescent wear resistance, high mechanical wear resistance, high cold welding wear resistance and the like. The radius of the PCD tool nose is 0.2 mm, the relief angle of the PCD tool nose is 17 degrees, and the oblique angles of the reference surfaces on the right side and the bottom side are 6 degrees respectively, so that the blade has high contact rigidity and impact resistance. And meanwhile, the PCD blade can be rapidly fed for precise cutting, a controllable high-quality cutting plane of an aluminum alloy material plane of a machined workpiece can be guaranteed, and the tool durability is quite good.

The application discloses a process method of sand blasting before machining for high-quality and high-efficiency machining of hard and brittle materials, and belongs to the technical field of precision machining of hard and brittle materials. In view of the problems of easy edge collapse, cracks and low machining efficiency of hard and brittle materials in cutting, sand blasting treatment is performed on the surface to be machined of a workpiece before mechanical cutting machining, a uniform micro-crack damage layer is formed in a controllable manner on the material surface layer by using the impact of high-speed abrasive particles, and the bonding strength of the surface layer is weakened; subsequent cutting machining is then performed, so that the material is mainly removed in brittleness and secondarily removed in ductility, the cutting force and tool wear are significantly reduced, defects such as edge collapse and cracks are inhibited, and the machining surface quality and machining efficiency are improved. The process is simple and has strong adaptability, and can be widely applied to the precision and high-efficiency cutting machining scenes of various hard and brittle materials such as ceramics, monocrystalline silicon and sapphire.