40 results about "Superfinishing" patented technology

This application relates to a machining process for the inner ring of a non-magnetic steel composite bearing, comprising the following steps: turning a blank into the shape of a non-magnetic steel composite bearing inner ring, and machining base surface auxiliary steps and non-base surface auxiliary steps at both ends of the inner ring, followed by heat treatment; performing rough grinding on the two end faces, outer diameter, and inner diameter of the heat-treated inner ring; performing rough grinding on the raceway, raceway, base surface sidewall, and non-base surface sidewall of the inner ring; performing fine grinding on the two end faces, outer diameter, and inner diameter of the inner ring; performing fine grinding on the raceway, raceway, base surface sidewall, and non-base surface sidewall of the inner ring; after fine grinding, grinding away the base surface auxiliary steps and non-base surface auxiliary steps; and performing ultra-precision machining on the raceway and raceway of the inner ring. This process can improve the machining efficiency of the inner ring and reduce the production cycle.

The utility model discloses a high accuracy frock suitable for slanting roof exchange processing is provided with a plurality of support feet on the bottom surface of its bottom plate, and the top surface of the bottom plate is detachably connected with a locking positioning device, the top of the locking positioning device is provided with a plug-in hole, the plug-in hole is used for receiving a slanting roof, and a plurality of inserts are arranged on the side surface of the locking positioning device to fix the slanting roof inside the locking positioning device. After the bottom plate and the locking positioning device are fixed, the slanting roof is inserted into the locking positioning device through the plug-in hole, then the insert is inserted into the locking positioning device from the side surface of the locking positioning device, and the slanting roof is fixed in the locking positioning device, so that the mold processing is facilitated. When it is necessary to replace the slanting roof, the insert can be disassembled to quickly replace the slanting roof, and the slanting roof to be processed is reloaded, so that the preparation time before superfinishing is reduced, the slanting roof is quickly replaced, the efficiency is improved, and the technical problem that the existing slanting roof superfinishing frock is fixed in a downward pressing mode, the processing coordinates need to be recalibrated after the completion of each work, and the mold needs to be reloaded is solved.

The bearing roller superfinishing device comprises a base, a swing feeding mechanism and a workpiece driving mechanism, the swing output end of the swing feeding mechanism is connected with an oilstone frame, an oilstone groove is formed in the oilstone frame, and elastic filler is evenly laid on one side face of the oilstone groove and the bottom face of the oilstone groove; an oilstone set is embedded in the oilstone groove and comprises at least two oilstone blocks arranged in the laying direction of the elastic filler on the side face of the oilstone groove. During superfinishing, the oilstone frame is moved to drive the oilstone set to abut against the peripheral face of the roller and move in a reciprocating mode along the generatrix, the area of each oilstone block branch pipe is only the swing distance, each oilstone block can ascend and descend to adapt to the shape of the generatrix, and the effect that the original generatrix shape of oilstone is prevented from being damaged in the superfinishing process is achieved.

This invention relates to an outer ring plastic-coated insulated bearing and its processing method, belonging to the field of insulated bearings. This technical solution adopts an integrated injection-molded plastic-coated structure. Compared with traditional plasma spraying coatings, the insulation layer has a larger thickness, higher density, and is more resistant to breakdown and wear, unaffected by assembly wear, and its insulation performance does not degrade over long-term use, fundamentally solving the problem of bearing electro-corrosion. Simultaneously, the mechanical interlocking structure formed by the dustproof groove, annular groove, and plastic-coated insulation layer of the metal outer ring significantly improves the bonding strength of the plastic-coated layer, avoiding the risks of slippage, axial movement, and peeling off. It can adapt to complex operating conditions such as high-frequency forward and reverse rotation and high-speed rotation of motors. Furthermore, this technical solution adopts a process route of segmented processing of the groove before and after plastic coating. Rough grinding before plastic coating allows for deformation allowance to accommodate injection molding thermal deformation, while fine grinding and ultra-precision machining after plastic coating correct all errors, solving the industry pain points of poor groove precision, high vibration, and high noise in traditional processes.

The invention belongs to the technical field of bearing precision machining, and relates to a spiral groove supporting rolling rod for a bearing ring superfinishing machine and application equipment of the spiral groove supporting rolling rod. The supporting rolling rod comprises a cylindrical main body, and at least one continuous concave spiral groove is formed in the working surface of the outer circle of the cylindrical main body. The spiral groove is used for reducing the contact area between the supporting rolling rod and the bearing ring and storing and conveying ultra-fine grinding liquid in the ultra-fine grinding process so as to form a continuous and stable lubricating oil film. Preferably, the spiral groove is of a multi-head spiral structure, the cross section of the spiral groove is of an arc-shaped, trapezoid or special-shaped structure, and abrasive dust can be discharged through the spiral pumping effect in the rotating process of the rolling rod. The supporting rolling rod can be made of high-carbon-chromium bearing steel, hard alloy or austenitic stainless steel, and the wear resistance is improved through surface strengthening treatment. According to the invention, friction and wear can be effectively reduced, and the lubricating stability and the chip removal capability are improved, so that the surface quality and the consistency of superfinishing machining of the bearing ring are improved.

This invention provides an ultra-precision machining device and method for the circumferential surface of rollers, relating to the field of ultra-precision machining. Addressing the problem of low machining efficiency caused by poor coordination between loading / unloading and the ultra-precision mechanism during current ultra-precision machining of rollers, this invention employs a stepped pallet for roller transfer, connecting an external loading mechanism and the ultra-precision position. After the roller's position is adjusted on the second and first platforms, the roller to be processed is accurately loaded to the ultra-precision position, and simultaneously the processed roller is lifted and moved from the ultra-precision position to the receiving plate, improving the loading speed and accuracy of the rollers, thereby increasing the efficiency of ultra-precision machining.

The invention discloses an aluminum alloy automobile covering part outer plate cold stamping forming surface quality improving method, and relates to the technical field of automobile stamping dies. The method sequentially comprises the seven steps of parting compensation treatment, dynamic flow control treatment, mold difference hardness treatment, molded surface superfinishing, difference strong pressure shaping, structured lubrication dust retention treatment and forming process reconstruction. Through a full-process integrated forming control scheme, surface product defects such as scratches, slip lines, viscosity and concave-convex points in the cold stamping process of the aluminum alloy outer plate can be effectively eliminated, the large-angle vertical face and fillet resilience is controlled to be within 0.5 mm, the die debugging difficulty and the bench worker workload are greatly reduced, the die manufacturing period is shortened, and the production efficiency is improved. And the mass production yield and forming stability of parts are improved, and the large-scale mass production requirements of new energy automobiles are met.

Summary of the Invention Super finisher for the threaded part of a ball screw The present invention relates to an apparatus (100) for superfinishing the threads of a ball screw. The apparatus comprises at least one holder (42, 52), a first interchangeable finishing tool (10) comprising a threaded portion in a working inner recess (10A), a second interchangeable finishing tool (15) comprising a working inner recess (15A) having a threaded portion, a polishing belt (20) reinforced with a slit film configured to pass continuously through the inner recesses (10A, 15A) and form an interface between the finishing tools (10, 15) and the threads (40A) of the ball screw (40), and at least one drive component (44a, 44b) configured to change the angle of the holder to enable linear movement of the finishing tools (10, 15) relative to the ball screw (40). An advantage is that during machining, the apparatus (100) supports the weight of the ball screw, thereby preventing protrusion of the ball screw.

A device for batch superfinishing of bearing inner ring raceway, comprising a rack with two rollers, a plurality of bearing inner rings are divided into a plurality of groups of clamps by a plurality of bearing positioning assemblies, a plurality of oilstone clamping shafts are arranged on the rack, and a plurality of oilstones are respectively connected to the oilstone clamping shafts, so that the plurality of oilstones can process the raceways of the plurality of groups of bearing inner rings when the two rollers drive all the bearing inner rings to rotate synchronously; the bearing positioning assembly comprises a spiral spring, two side plates, two retaining rings and two clamping plates, the plurality of bearing inner rings in the same group are sleeved on the spiral spring, the two side plates and the two retaining rings are sleeved on the spiral spring, the retaining ring is pressed on the end face of the bearing inner ring, and the two clamping plates are penetrated in the spiral structure of the spiral spring, so that the two clamping plates are pressed on the two side plates by the elastic force of the spiral spring, thereby clamping the plurality of bearing inner rings in the same group in the axial direction; one end of the spiral spring in the axial direction is provided with a pull hook for manually stretching the spiral spring.

The application provides an independent drive type high-frequency reciprocating motion module superfinishing grinding wheel, relates to the technical field of grinding machines, and the grinding assembly comprises a grinding wheel mounting support, the grinding wheel mounting support is transversely rotatably installed on the top of a sliding mounting frame, a grinding wheel supporting rotating rod is transversely rotatably installed at the front end of the grinding wheel mounting support, a grinding wheel supporting wheel is fixedly installed at the center of the grinding wheel supporting rotating rod, a grinding wheel is fixedly installed on the outer ring of the grinding wheel supporting wheel, and lateral grinding wheels are fixedly installed on the two sides of the grinding wheel. The driving gear ring and the driving turntable are used for magnetically controlling the grinding wheel, so that the abrasion of transmission parts in the transmission process can be avoided. The electromagnet on the emergency stop sliding rod and the strong magnet in the cylindrical groove at the front end of the emergency stop sliding rod are magnetically matched, the grinding wheel can be quickly controlled to stop, the movement of the grinding wheel is quickly stopped, and the damage of excessive impact force to equipment parts is avoided.

The invention discloses a grinding process for a silent ball bearing of a micro household appliance, which comprises a bearing inner ring and bearing outer ring grinding process, and the bearing inner ring grinding process sequentially comprises the steps of end face grinding, flange grinding, flange superfinishing, inner diameter grinding, liquid polishing, channel grinding, two times of channel superfinishing and cleaning oil soaking. Demagnetization cleaning is carried out between the working procedures; according to the bearing outer ring grinding machining technology, machining is carried out according to the sequence of end face grinding, outer diameter grinding, outer diameter superfinishing, channel grinding, two times of channel superfinishing, liquid polishing machining and cleaning oil soaking in sequence, and demagnetization cleaning is carried out between the core procedures. The problem that the ultra-silence requirement of a household appliance bearing is difficult to meet due to the fact that the machining precision of a bearing ring is insufficient and the cleanliness of the whole production process is not controlled in place in a traditional micro household appliance ball bearing grinding technology is solved.

The utility model discloses a bearing roller superfinishing machine, and particularly relates to the technical field of bearing roller processing, which comprises a rotary table for driving a bearing roller to rotate, limiting teeth which are arranged in a sliding manner along the vertical direction, and an abrasive belt which is arranged on the limiting teeth and is used for polishing the bearing roller; the movable wheel is used for limiting the abrasive belt and is provided with a movable spray head; and when the abrasive belt is in contact with the bearing roller, the movable spray head deflects and always points to the abrasive belt. According to the bearing roller superfinishing machine, self-adaptive adjustment can be conducted through the two limiting teeth according to bearing rollers of different specifications, the abrasive belt is driven to be tightly attached to the side face of the bearing roller, the movable spray head is driven to deflect along with the abrasive belt, grinding fluid is sprayed to the abrasive belt, and the contact position of the abrasive belt and the bearing roller is cooled; spraying on non-contact parts can be reduced, and the efficiency of cooling and liquid supplementing is improved.

The invention provides a double oilstone swing head for a bearing outer ring channel superfinishing process, which comprises a base, two oilstone frames, an adjusting assembly and a positioning assembly are arranged on the base, the adjusting assembly comprises a rotating seat, a driving part and a transmission part, the two oilstone frames are circumferentially arranged on one side of the rotating seat at intervals, and the two oilstone frames are arranged on the other side of the rotating seat at intervals. One end of the transmission part is connected with the driving part, the other end of the transmission part is in transmission connection with the rotating seat, the transmission part can drive the rotating seat to rotate to switch the positions of the two oilstone frames under the action of the driving part, and the positioning assembly is used for being in positioning fit with the switched oilstone frames. Aiming at the defects in the prior art, the invention provides the double-oilstone swinging head for the bearing outer ring channel superfinishing process, and the double-oilstone swinging head can improve the efficiency and effectively reduce the cost.

The application relates to a large-curvature optical surface superfinishing tool path auxiliary curved surface construction method, which comprises the following steps: step S1, preliminary expansion: using the "expansion" instruction of UG software, uniformly expanding an original optical surface along the periphery to form an auxiliary surface consistent with the curvature of the original optical surface; step S2, lateral stretching: using the "stretching" instruction of UG software, stretching the expanded auxiliary surface on both sides; and step S3, surface rounding: using the "surface rounding" instruction of UG software, rounding all the connecting parts of the expanded surface and the lateral stretching surface of the auxiliary surface to form an integrated and curvature-continuous auxiliary curved surface. The application can realize "interference active avoidance", and completely solves the tool path disorder and collision problem in the machining of a large-curvature z free curved surface.

The utility model discloses a high accuracy fly cutter processingequipment for multi -faced mirror, through the fixed base stable installation multi -faced mirror, and fix the fixed base bottom on numerical control machine tool B axle workstation. Fix the main shaft on the X axle of numerical control machine tool, utilize the main shaft drive fly cutter plate rotation. Fly cutter plate in the rotation process will its fixed processing tool aim at any one side in multi -faced mirror, and carry out fly cutter processing. And in the fly cutter plate rotation process, utilize numerical control machine tool X axle to move back and forth, make fly cutter plate and the processing surface of multi -faced mirror contact 2, thereby realize the overall processing to the processing surface. When a processing surface is processed, through numerical control machine tool B axle rotation fixed base to the next processing surface and processes, until all processing surfaces are processed, complete the fly cutter processing procedure of multi -faced mirror fast, thereby solve the present multi -faced mirror's superfinishing and adopt X, Z, Y, C four axle linkage scraping processing, and the technical problem of long processing cycle.

The invention relates to the technical field of bearing ball manufacturing, in particular to a silicon nitride ceramic bearing ball production process which comprises the following steps: pretreating raw materials, mixing silicon nitride powder with a sintering aid, adding absolute ethyl alcohol, and ball-milling into slurry; carrying out spray granulation, and controlling the temperature to obtain granulated particles with specific particle sizes; performing cold isostatic pressing, pressurizing and maintaining pressure to obtain a biscuit; degreasing treatment is conducted, and heating is conducted in the air atmosphere to remove impurities; sintering, heating and preserving heat in a nitrogen atmosphere, and then cooling; roughly grinding, and controlling the roundness by a diamond grinding wheel; fine-mesh grinding wheels are used for improving the precision; ultra-fine grinding is performed, and the finish degree is increased through grinding paste; cleaning and removing residual grinding materials; and detecting, and packaging after qualification. The bearing ball produced by the process is superhard, wear-resistant, high-temperature-resistant and electrically insulated, adapts to special working conditions such as high temperature and high speed, and meets the requirements of multiple fields.

A component (17) of a roller bearing has a middle portion (27) having a circumferential surface with a linear profile extending at least in an axial direction, and an end portion (25) having a circumferential surface with a crown profile. A superfinishing method includes superfinishing the end portion (25) with a first grindstone (31) while rotating the component (17), and superfinishing the middle portion (27) with a second grindstone (33) prepared separately from the first grindstone (31) the while rotating the component (17).

The application belongs to the technical field of superfinishing machines, in particular to a high-speed spindle bearing outer groove end face superfinishing machine, which comprises a supporting part, a turnover protective cover arranged on the top of the supporting part, and an operation screen arranged on the front surface of the turnover protective cover, a bearing arranged in the interior of the supporting part, and clamping parts symmetrically arranged on the upper and lower sides of the supporting part. The device can perform circumferential grinding work on the outer groove end face of the bearing through the grinding tool heads adapted to the two sides, grind the rough surface and impurity particles in the inner part of the bearing outer groove, and make the bearing outer groove end face smoother. However, the metal scraps generated by grinding are easy to remain in the inner part of the bearing, which causes wear problems of the rollers in the inner part of the bearing. Therefore, after grinding is completed, the grinding work is sequentially continued without moving the long connecting plate, the scraps in the inner part of the bearing outer groove are accurately sucked out through the circumferentially rotating adsorption shell attached to the bearing, so as to eliminate the scraps mixed in the rollers and avoid wear problems of the rollers.

The utility model relates to an integrated lead screw bearing inner ring channel superfinishing device, which relates to the technical field of bearing processing, and comprises a left centering seat and a right centering seat which are used for clamping a workpiece, the right centering seat is connected with a supporting shaft through an angular contact ball bearing, and the outer diameter of the angular contact ball bearing is in interference fit with the large inner hole surface of the right centering seat. The end face of the outer ring of the angular contact ball bearing makes close contact with the inner end face of the right centering base so that the workpiece and the right centering base can rotate synchronously. The utility model is favorable for solving the problem that the inner ring of the integrated screw rod bearing cannot be superfinely integrated by adopting a conventional superfinishing machine tool; the apparent quality of the bearing is improved; the workpiece precision is improved; the production efficiency is improved; the centering device is simple in structure and can be popularized for inner groove superfinishing of other similar bearings.

The invention relates to the field of superfinishing of bearing cylindrical rollers, in particular to a differentiated combined type cylindrical roller penetrating superfinishing spiral guide roller and a machining method of the differentiated combined type cylindrical roller penetrating superfinishing spiral guide roller. Comprising a main spiral guide roller and an auxiliary spiral guide roller, the main spiral guide roller and the auxiliary spiral guide roller cooperatively control the ascending speed and the descending speed of the cylindrical roller at the roller peak and control the motion attitude angle of the cylindrical roller in the superfinishing process, full superfinishing is conducted on the head end and the tail end of the cylindrical roller, and good convexity symmetry is formed. A plurality of groups of roller peaks are distributed on the main spiral guide roller and the auxiliary spiral guide roller, the heights of the plurality of groups of roller peaks are different, the roller peaks with different heights are used as guide roller curves for forming corresponding convexity of the cylindrical roller during superfinishing, and the plurality of groups of roller peaks are combined and processed on the main spiral guide roller and the auxiliary spiral guide roller. Through the design of the combined roller peaks on the superfinishing spiral guide roller, penetrating superfinishing of the convexity of multiple points of the cylindrical roller at a time is achieved, and a symmetrical logarithmic profile is formed on an outer circle generatrix of the cylindrical roller.

The application relates to the technical field of roller processing, and provides a roller grinding and superfinishing device, which comprises a rotating shaft mechanism, a grinding mechanism, a material conveying mechanism and a machine tool platform arranged on the machine tool platform, the rotating shaft mechanism comprises a transmission assembly, an inner ring assembly rotatably assembled on the transmission assembly and a driving assembly in transmission connection with the transmission assembly; the grinding mechanism comprises a longitudinal adjusting assembly, horizontal driving assemblies and loading assemblies connected with the bottom and the top of the longitudinal adjusting assembly respectively and an outer ring assembly connected with the output end of the loading assembly; the material conveying mechanism comprises a feeding assembly, a collecting slide and a material circulating assembly, rollers are conveyed to a processing area formed by the inner ring assembly and the outer ring assembly through the feeding assembly to be ground, and the rollers are circulated to the feeding assembly through the collecting slide and the material circulating assembly. The application can actively control the pure rolling of the rollers between the inner ring and the outer ring, and effectively improves the batch precision consistency of the rollers.

The application discloses a bearing rolling element superfinishing machine and belongs to the technical field of bearing rolling element machining. The bearing rolling element superfinishing machine comprises a base, a main X-direction guide rail, a first X-direction sliding plate, a second X-direction sliding plate and a Y-direction sliding plate. The first X-direction sliding plate and the second X-direction sliding plate are separately provided with a driving top pin and a passive top pin, the rolling element is coaxially clamped and rotated, driving slip of a roller is avoided, and the bearing rolling element superfinishing machine is suitable for cylindrical rolling elements, conical rolling elements and self-aligning rolling elements. The Y-direction sliding plate is provided with two outer circle superfinishing machines with different precision levels, sand belts are matched with micro-amplitude high-frequency vibration machining, a grinding process is omitted, and burn, stress concentration and soft point defects are eliminated from the root. Two end face superfinishing machines are further arranged, two end faces of the rolling element can be simultaneously superfinished, and outer circle and double-end face machining can be completed through one-time clamping. The bearing rolling element superfinishing machine has compact structure, convenient type changing, can form grid oil storage textures on a machined surface, significantly improves bearing fatigue life, and is suitable for efficient and precise machining of large-size heavy-load bearing rolling elements.

The invention provides a bearing raceway machining method and device. The bearing raceway machining method comprises the steps that S1, demagnetization cleaning is conducted; s2, carrying out superfinishing on the bearing raceway; s3, correcting the outer circle of the bearing; s4, demagnetizing and cleaning; s5, carrying out superfinishing excircle processing; and S6, super-finish raceway machining is carried out. The machining method has the following beneficial effects that the technical problem of poor macroscopic geometric accuracy of an existing bearing raceway machining method is solved through the machining method for correcting the outer circle of the bearing in cooperation with three times of superfinishing.

The application relates to the field of bearing machining, and particularly discloses a machining process for a bearing outer ring, which comprises the following steps: S1. pretreatment; S2. surface nanocrystallization treatment; S3. rough grinding; S4. fine grinding; S5. superfinishing; and S6. cleaning. The surface nanocrystallization treatment is added before grinding, the raceway surface layer is subjected to severe plastic deformation through high-speed projectile impact, a gradient nanocrystalline structure layer which is gradually changed from the surface nanocrystalline to the coarse grain in the center is formed, the structure layer can improve the surface hardness and strength, reduce the subsequent grinding force and grinding heat, inhibit thermal damage and organizational phase change, deep stable residual compressive stress is introduced into the surface layer, the tensile stress generated during grinding is offset, the raceway is finally in a beneficial compressive stress state, and therefore, a high-hardness and low-damage high-quality surface layer is obtained, and the bearing matching precision, running stability and service reliability are improved.

The utility model relates to the technical field of bearing manufacturing, and discloses a bearing roller ball base surface superfinishing mechanism which comprises a bottom plate, a supporting frame is fixedly installed on the upper portion of the bottom plate, a hydraulic rod is fixedly installed on the upper portion of the supporting frame, a movable plate is fixedly installed at the telescopic end of the hydraulic rod, and a groove is formed in the right portion of the movable plate. A first motor is fixedly installed on the rear portion of the moving plate, a threaded rod is fixedly installed on an output shaft of the first motor, threads are symmetrically formed in the front and back portions of the threaded rod, the threaded rod is movably connected in the groove in a sleeved mode, the threaded rod is movably connected with a sliding block in a sleeved mode, and a connecting arm is fixedly installed on the right portion of the sliding block; the hydraulic rod is matched with the first motor, so that the grinding block is attached to the surface of the roller, the flexibility of the grinding mechanism is enhanced, the grinding angle of the grinding block is adjusted in time through the electric push rod, the grinding precision of the lifting device is improved, and the working efficiency of the grinding mechanism is improved.

The invention relates to the technical field of bearing part supporting, in particular to an online self-aligning rotary supporting device for coating bearing outer ring channel superfinishing, and adopts the technical scheme that the online self-aligning rotary supporting device comprises a positioning mounting base plate which comprises a supporting plate; the tops of the two ends of the bearing plate are provided with a bearing body rear end sliding way and a bearing body front end sliding way. The rear-end supporting body is installed in the supporting body rear-end sliding way in a sliding mode, the front-end supporting body is installed in the supporting body front-end sliding way in a sliding mode, the bearing seat is installed on the top of the front-end supporting body, the ceramic bearing assembly is installed on the bearing seat, and the springback steering assembly is installed on the top of the rear-end supporting body. The device has the beneficial effects that the front-end supporting body is driven to rotate through the springback steering assembly, and the direction of a rotating shaft of the ceramic bearing is adjusted, so that the effect of forming good rolling contact between the outer ring of the coating bearing and the ceramic bearing is achieved, and the coating scratching and crushing risks caused by sliding friction are completely eradicated.

The invention discloses a deep groove ball bearing inner and outer ring channel superfinishing machine preparation technology, and relates to the field of deep groove ball bearing related technologies, and the deep groove ball bearing inner and outer ring channel superfinishing machine preparation technology comprises the following steps: S1, front channel confirmation and cleaning, S2, workpiece clamping and positioning, S3, rough superfinishing, S4, fine superfinishing, S5, cleaning and unloading after machining, and S6, final inspection and rust prevention. Through multiple steps of quantitative sampling inspection of a previous procedure, constant-pressure control of a clamping link, grading and smooth transition of rough machining and fine machining, high-pressure airtight purging after machining and the like, accurate control over the whole process from feeding, machining to cleaning is achieved, the process stability and machining consistency are greatly improved, and the machining efficiency is improved. Potential quality hazards such as clamping deformation and tool marks are effectively eliminated, the service life of a product is prolonged and the reliability of the product is improved through the surface quality and cleanliness of a bearing channel, and the subsequent assembly cost is reduced through the datamation tracing and environment-friendly technology.

The application discloses a large-power large-protrusion wind power logarithmic roller through grinding and through superfinishing method, adopts several times of through-cylindrical grinding and several times of through superfinishing of large-power large-protrusion wind power logarithmic rollers, and forms a continuous machining production line of the large-power large-protrusion wind power logarithmic rollers, so that the retreat, taking and placing of the roller and the feeding of the existing cutting-in method for grinding and superfinishing of the large-power large-protrusion wind power logarithmic rollers are omitted, the continuous automatic machining of the large-power large-protrusion wind power logarithmic rollers is realized, the number of operators is reduced, the production efficiency of the large-power large-protrusion wind power logarithmic rollers is greatly improved, the quality is stable, the machining cost is low, and therefore the economic benefits of bearing machining enterprises and wind power complete machine enterprises are greatly improved.

The invention relates to a bionic topology superfinishing method for a front reversing driving bevel gear bearing runway. The problems that in traditional superfinishing, the surface adaptability of the bevel gear bearing runway is poor, the bearing uniformity after machining is insufficient, and the anti-fatigue performance is poor are solved. According to the method, the stress dispersion characteristic of a topological structure on the surface of an organism is used for reference, and a microscopic topological structure matched with the motion trail of a rolling bearing is formed on the surface of a bearing runway by combining a customized machining tool and self-adaptive control logic through the three-step core process of pre-contour correction, bionic texture construction and partition finishing strengthening. And meanwhile, the macroscopic geometric precision and the surface mechanical property are ensured. After the method is applied, the surface contact stress distribution uniformity of the bearing runway is improved by 35% or above, the anti-fatigue life is prolonged by 50% or above, complex parameter debugging is not needed in the machining process, and the method is suitable for batch precision manufacturing of front reversing driving bevel gears of different specifications in the fields of automobiles, engineering machinery and the like.

To provide a method and device for superfinishing a specific area on the groove surface of a gothic arc groove. [Solution] A method for superfinishing a gothic arc groove involves tilting the oscillation axis Sa of the grinding wheel St with respect to the longitudinal direction of the gothic arc groove, and changing the distance between the oscillation axis and the gothic arc groove during the superfinishing process while also changing the degree of inclination of the oscillation axis with respect to the longitudinal direction of the gothic arc groove. Another method for superfinishing a gothic arc groove involves aligning the oscillation axis of the grinding wheel with the longitudinal direction of the gothic arc groove, and changing the degree of inclination of the grinding wheel with respect to the vertical at an intermediate position of its oscillation and the distance between the oscillation axis and the gothic arc groove during the superfinishing process.