Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

186results about "Superfinishing machines" patented technology

Method for manufacturing outer ring of hub unit bearing

To provide a method for manufacturing an outer ring of a hub unit bearing having three rows at low manufacturing cost.SOLUTION: A first negative gap is an axial negative gap between an outermost row and an innermost row in a case of assuming that a hub unit bearing is assembled with a hub disposed on a radially inner side of an outer ring 2 after completion of a grinding finishing process, and with a ball of the same gage disposed between three-row outer ring raceway 5a, 5b, 5c and three-row inner ring raceway. The difference between the first negative gap and a second negative gap, which is an axial negative gap between an intermediate row and one row, is made smaller than the difference between the first negative gap and the second negative gap in a case of assuming that a hub unit bearing is assembled with a hub disposed on the radially inner side of an outer ring 2 after completion of a super finishing process, and with a ball of the same gage disposed between three-row outer ring raceway 5a, 5b, 5c and three-row inner ring raceway.SELECTED DRAWING: Figure 1
Owner:NSK LTD

Superfine grinding device for peach-shaped channel of bearing

The invention provides a bearing peach-shaped channel superfinishing grinding device which comprises a base, and a workpiece rotating supporting mechanism and an oilstone swinging mechanism are arranged on the base. The workpiece rotating and supporting mechanism comprises a left tip and a right tip, the left tip is provided with a drive plate and a heart-shaped chuck, and the position of the right tip in the axial direction is adjustable. A mounting seat of the oilstone swinging mechanism can be fed in the left-right direction and the front-back direction and comprises an oilstone swinging rotating shaft capable of rotating in a reciprocating mode in the axial direction, an oilstone frame is arranged at the output end of the oilstone swinging rotating shaft, an oilstone box is arranged at the outer end of the oilstone frame, oilstone is assembled in the oilstone box in the vertical direction, and the axial extension line of the oilstone swinging rotating shaft and the oilstone intersect at a point O; and an oilstone pressing rod and a hydraulic valve are arranged on the oilstone frame. The device can finish superfinishing grinding of two curved surfaces of a peach-shaped channel under the condition that one device is used for one-time clamping, meanwhile, the device can be suitable for superfinishing of a shaft workpiece with a plurality of channels, and the adverse effect of multiple times of feeding on the superfinishing grinding precision can be effectively reduced.
Owner:QINGDAO TAIDE AUTOMOBILE BEARING +1

Vertical superfinishing machine intelligent servo control method based on dynamic parameter identification

The invention discloses a vertical superfinishing machine intelligent servo control method based on dynamic parameter identification, and relates to the technical field of servo control. Comprising the steps that first sensing equipment is arranged on a key motion axis of target equipment and used for obtaining vibration data of the motion axis, and vibration information items are obtained; and second sensing equipment is arranged on the oilstone unit, is pressure and temperature integrated sensing equipment and is used for acquiring real-time pressure data and temperature data of the oilstone to obtain a pressure information item and a temperature information item. According to the method, damage sorting is combined, low-damage combinations with different oscillation frequencies and feeding speeds are preferentially selected to serve as equipment execution, updating information of vibration information items, pressure information items and temperature information items is deeply obtained, secondary adjustment is conducted on initial information items, and the accuracy of the equipment is improved. Therefore, oilstone driving control based on dynamic parameter identification of vibration data, temperature data and pressure data combination is realized.
Owner:YUZHUN PRECISION MASCH (SHANGHAI) CO LTD +1

Servo connecting rod high-frequency swing mechanism

The invention discloses a servo connecting rod high-frequency swing mechanism, which belongs to the technical field of bearing processing equipment, and comprises an adjusting piece and a swing head which are arranged on the same side outside a bracket, one end of the transmission shaft is connected with the adjusting piece; one end of the swinging shaft is connected with the swinging head; the two ends of the connecting rod are eccentrically arranged relative to the transmission shaft and the swing shaft respectively and rotationally connected with the adjusting piece and the swing head respectively; the adjusting piece is used for adjusting the eccentric distance of the connecting rod relative to the transmission shaft in the radial direction. The belt link is omitted through direct-drive transmission, the servo motor coupler directly drives the transmission shaft, power loss is reduced, and the swing frequency and stability are improved.
Owner:浙江日发格芮德精密机床有限公司

Ultra-precision grinding device for water pump shaft parts

The water pump shaft part ultra-precision grinding device comprises a machine base and a grinding machine body fixedly installed at the top of the machine base, a first motor is fixedly installed on the inner wall of the left side of the grinding machine body, a first hydraulic cylinder is fixedly installed on the inner wall of the right side of the grinding machine body, and a first shaft base is rotationally installed at the output shaft end of the first hydraulic cylinder. The ultra-precision grinding device is reasonable in design, the fine-grained abrasive particle grinding wheel, the ultra-fine-grained abrasive particle grinding wheel and the superfine-grained abrasive particle grinding wheel are conveniently and sequentially used for carrying out three times of grinding machining on the water pump shaft part by arranging the three abrasive particle grinding wheels with different granularities, and ultra-precision grinding treatment on the water pump shaft part is achieved; the strict requirements for precision indexes such as the surface roughness of the water pump shaft parts are met, the machining precision and the surface quality of the water pump shaft parts are effectively improved, the time spent on replacement of abrasive particle grinding wheels with different granularities after shutdown is greatly shortened, operation is easy and convenient, and the working efficiency is improved.
Owner:YUTIAN YONGXIN MASCH MFG CO LTD

Electrochemical gradient thickening-excitation micro-motion composite shape-preserving polishing ultra-precision manufacturing method and device

According to the electrochemical gradient thickening-excitation micro-motion composite shape-preserving polishing ultra-precision manufacturing method, an electrochemical gradient thickening phase is used for inducing an electrochemical interface reaction to guide charged particles to move directionally and control the particle aggregation effect of suspension liquid, and then a flexible fluid grinding tool is used for generating excitation micro-power perpendicular to the axis for efficient shape-preserving removal. The invention further provides an electrochemical gradient thickening-excitation micro-motion composite shape-preserving polishing ultra-precision manufacturing device. The electrochemical gradient thickening-excitation micro-motion composite shape-preserving polishing ultra-precision manufacturing device comprises a box body, a shape-following polishing device, a power supply auxiliary device, an electrochemical gradient thickening polishing machining suspension liquid conveying device and a polishing auxiliary device. According to the method, the types of machined workpieces are rich, the profile precision can be greatly improved, and the near-atomic scale polishing precision of atoms can be achieved.
Owner:HEFEI UNIV OF TECH

Finishing method and finishing device for finish machining of rolling element raceways

The invention relates to a finishing method for finish machining of a workpiece having at least one raceway for rolling elements that extends around a workpiece axis, the method comprising the following steps: providing a finishing tool which has an abrasive working surface; applying the finishing tool to a workpiece holder, generating spinning of the workpiece about a raceway axis at a rotational frequency; generating an oscillating movement of the tool holder, which is superimposed on the spinning of the workpiece and oscillates at an oscillating frequency; and pressing the finishing tool onto the workpiece surface in a pressing direction with a pressing force so that the abrasive working surface acts on the workpiece in the region of the raceway. The finishing method is characterised by continuous detection of a force signal, which is caused by the pressing force, within a detection time period which partly or completely overlaps a machining time period of the finish machining, and by time-resolved evaluation of the force signal in order to determine at least one geometry parameter which represents (i) a workpiece geometry in the region of the machined raceway and / or (ii) a geometric relationship between the workpiece geometry in the region of the machined raceway and a position of an oscillating apparatus.
Owner:NAGEL TECHNOLOGIES GMBH

A superfinishing machine for outer ring of cylindrical roller bearing

ActiveCN119098893Beasy to useAchieve comprehensive super-finishingSuperfinishing machinesGrinding work supports
The invention discloses a roller superfinishing machine for a cylindrical roller bearing, belonging to the technical field of bearing superfinishing machines; the invention comprises a switching device, the switching device is used to switch the outer ring of the bearing to be processed, an operating device is arranged on the switching device, the operating device is used to superfinish the inner ring of the bearing, and a rotating device is arranged on the operating device, the rotating device is used to drive the outer ring of the bearing to rotate; the invention adopts a switching device to switch the positions of two tensioning mechanisms, when one tensioning mechanism is carrying the outer ring of the bearing for processing, the other tensioning mechanism can install the next outer ring of the bearing to be processed, the two sides are carried out synchronously, and when the tensioning mechanism in processing is clamped, the other tensioning mechanism is opened, which is convenient for use; the operating device presses the oilstone against the inner surface of the outer ring of the bearing, drives the oilstone to reciprocate and shake at high frequency through the reciprocating mechanism, cooperates with the rotating device to drive the outer ring of the bearing to rotate, and realizes comprehensive superfinishing of the inner surface of the outer ring of the bearing.
Owner:JIANGSU CHAOWAN BEARING TECH CO LTD

Bearing superfinishing machine

The invention relates to the technical field of bearing superfinishing machines, and particularly discloses a bearing superfinishing machine which comprises a cooling mechanism arranged in a bearing superfinishing machine body and used for refrigerating and cooling water according to heat generated during grinding. Compared with the prior art, the bearing ring grinding device at least has the following beneficial effects that the shifting mechanism, the spraying adjusting mechanism, the grinding temperature measuring mechanism and the clamping temperature measuring mechanism are arranged, a bearing ring can be fixed to the clamping temperature measuring mechanism according to the use requirement, then the bearing ring is rotated at a high speed, the position of a grinding part can be movably adjusted through the shifting mechanism, and the grinding effect is improved. And the needed angle can be adjusted according to the requirement of grinding work, then a needed channel groove can be ground, and the temperature of a grinding point can be detected through the grinding temperature measuring mechanism during grinding work.
Owner:XINCHANG PUYOU ELECTROMECHANICAL TECH CO LTD

Outer diameter superfinishing machine tool for convexity cylindrical tapered roller

The invention discloses a machine tool for superfinishing the outer diameter of a convexity cylindrical tapered roller, and belongs to the technical field of bearing finish machining, the machine tool comprises a machine tool body, a guide roller mechanism is arranged on the machine tool body, the guide roller mechanism is provided with at least two guide rollers which are matched with each other, oilstone clamps are correspondingly arranged above the guide rollers, and the angles of the two guide rollers on the horizontal plane and the vertical plane can be adjusted. According to the machine tool, a cylinder and a tapered roller can be machined through the same equipment, the machining precision is effectively improved, chippings generated during machining can be optimized, and the cooling effect of a workpiece in the machining process can be ensured.
Owner:浙江日发格芮德精密机床有限公司

Glass mold polishing equipment

The utility model relates to glass mold polishing equipment, the glass mold polishing equipment comprises a base, a moving block, a placing block, a moving assembly and a grinding mechanism, and the moving block is slidably arranged on the base through the moving assembly; the placing block is arranged on the moving block, and a placing groove is formed in the placing block; the device further comprises an adjusting mechanism, the adjusting mechanism comprises an adjusting block and a fixing assembly, the adjusting block is arranged on the base in a sliding mode, and the fixing assembly is arranged on the adjusting block and connected with the base. And the polishing mechanism is arranged on the adjusting block. The method has the effect of improving the applicability.
Owner:CHANGSHU JINGGONG MOLD MFG

Automatic adjusting device for stretching length of super-fine oil stone

The utility model discloses an automatic adjusting device for the extension length of an ultra-fine oilstone, which comprises an oilstone and a mounting seat used for being mounted on external bearing processing equipment, the mounting seat is provided with an adjusting groove along the height direction, the oilstone slides in the adjusting groove, and the initial end of the oilstone penetrates out of an opening at the tail end of the adjusting groove. A pressing plate used for pressing the tail end of the oilstone is arranged in the adjusting groove in a sliding mode, and the installation base is provided with a driving piece used for being in linkage fit with external hydraulic driving equipment so as to apply loads to the oilstone through the pressing plate and a guiding piece used for being in linkage fit with the driving piece so as to guide the loading position and direction of the loads. The pressing plate is provided with a detection piece used for detecting the contact degree of the starting end of the oilstone and an external bearing ring channel and a positioning piece used for guiding and positioning the sliding direction of the oilstone. The oilstone solves the problem of poor contact between the oilstone and a product to be machined due to the fact that the extension length of the traditional oilstone is not adjusted in time or the oilstone is abraded excessively during machining.
Owner:C&U CO LTD +1

Outer channel superfinishing machine for machining agricultural machinery unit flange

The invention relates to the technical field of superfinishing machines, in particular to an outer channel superfinishing machine for machining an agricultural machinery unit flange, which comprises a superfinishing machine, a base is arranged at the bottom of the superfinishing machine, the interior of the base is hollow, clear water is stored in the base, a filter screen is arranged in the base, a supporting block is fixed on the inner wall of the base, and the supporting block is fixed on the inner wall of the base. A filter screen is installed at the top of a supporting block through a connecting mechanism, a transverse plate is arranged at the top of an inner cavity of the superfinishing machine, a processing mechanism is arranged at the bottom of the transverse plate, chippings are generated when the superfinishing machine grinds a workpiece, a water pump is started to convey water in a base into a spray head through a water pipe and spray the chippings out, and cooling of a grinding wheel is facilitated; and the sprayed water can drive the chippings, so that the chippings enter the base through the chipping discharging groove along with the water, water treatment of the chippings is facilitated, then the chippings in the waste water are filtered by the filter screen, the filtered water returns to the spray head to be sprayed out under the action of the water pump, and cyclic utilization of the water is facilitated.
Owner:XIANGYANG EAGLE BEARING CO LTD

Servo direct-drive high-frequency swing mechanism

The invention discloses a servo direct-drive high-frequency swing mechanism, and belongs to the technical field of bearing machining equipment. A swing spindle attached to the housing; one end of an output shaft of the servo motor is connected with the rear end of the swinging main shaft, and the other end is connected with a servo encoder for controlling the swinging amplitude and the swinging frequency of the swinging main shaft; the swing head part is connected with the front end of the swing spindle and used for machining a bearing groove, a front end cover is arranged at the front end of the swing spindle and connected with a support, a screw is rotationally connected to the support, and the shell is in threaded fit with the screw. The swing frequency adjusting device has the characteristics of shortened and compact structure, convenience in adjustment, attractive appearance and the like, and the swing frequency of the ball bearing channel superfinishing machine can be improved, so that the superfinishing rhythm is accelerated, the superfinishing precision is improved, and the machining performance of a machine tool is improved.
Owner:浙江日发格芮德精密机床有限公司

Full-band surface error collaborative control method based on composite structure polishing tool

The present invention belongs to the field of ultra-precision machining technology, and specifically discloses a full-band surface error collaborative control method based on a composite structure polishing tool, including: obtaining initial low, medium and high frequency error distribution models. Analyzing the error distribution characteristics of each frequency band on the workpiece surface, and establishing a full-band surface error collaborative control model. Obtaining the material removal depth, and setting the maximum value of the surface error distribution of each frequency band. Adopting the optimal combination algorithm to obtain the optimal driving voltage value, the optimal trajectory and the related parameter combination. According to the optimal parameter combination, a judgment matrix is established to evaluate the execution effect under the parameter combination. According to the judgment matrix, the coefficient value in the collaborative control model is calculated, combined with the external constraints, and substituted into the full-band surface error collaborative control model to obtain the optimal solution and obtain the optimal collaborative control strategy. The present invention can ensure the structural stability of the entire tool, and ensure that the low-frequency surface shape is not damaged while suppressing the medium-frequency PSD1 error.
Owner:ZHEJIANG UNIV OF TECH

Bearing positioning mechanism for bearing superfinishing machine

The utility model provides a bearing positioning mechanism for a bearing super-finishing machine, which comprises a rotary disc and a rotary disc cover plate, the rotary disc is in a disc shape, a plurality of U-shaped grooves are formed on the periphery of the rotary disc at intervals and are used for accommodating bearings to be polished, and the rotary disc cover plate is arranged on the outer side of the end face of one side of the rotary disc. A U-shaped groove is formed in the end face of one side of the rotary disc, the rotary disc cover plate blocks the bearing to enable the bearing to be kept in the U-shaped groove, a notch is formed in the rotary disc cover plate for the bearing to enter and exit, the positioning disc is fixed to the end face of the other side of the rotary disc and protrudes out of the end face of the side of the rotary disc, and a V-shaped groove is formed in the periphery of the positioning disc. And the U-shaped groove and the V-shaped groove are respectively used for accommodating and positioning the bearing. According to the design, the contact surface between parts of the positioning mechanism can be reduced, the abrasion degree is reduced, the service life is prolonged, and the positioning accuracy is improved.
Owner:SHANGHAI TUNGPEI ENTERPRISE

Centring shaft for fine grinding of inner groove of deep groove ball bearing

The utility model provides a centering shaft for fine grinding of an inner groove of a deep groove ball bearing, and relates to the technical field of deep groove ball bearing equipment. Comprising a sleeve, a pressing plate is mounted on one side of the sleeve, the sleeve and the reinforcing sleeve are connected by arranging the sleeve, the reinforcing sleeve, an external connecting rod and a reinforcing mounting rod, operation continues, the problem that the inner diameter of a workpiece is scratched is fundamentally solved in a combined rotating mode, the sleeve can enter the workpiece more easily, and therefore the chamfer and the end face of the workpiece are protected; the sleeve and the reinforcing sleeve are matched and connected for use, so that the overall use range is wide, the improved combined centering shaft can properly select parts according to the machining size of a workpiece, only part of the parts in the inner diameter sleeving assembly are replaced within the proper workpiece size range, the adjusting time is shortened, the machining efficiency is improved, and the machining cost is reduced. The whole device is simple and easy to operate, no power equipment is used for auxiliary operation, and the whole installation and use cost is saved.
Owner:ANHUI RIFEI BEARING

Intelligent servo control method for vertical superfinishing machine based on dynamic parameter identification

The application discloses a vertical super-precision machine intelligent servo control method based on dynamic parameter identification and relates to the technical field of servo control. The method comprises the following steps: arranging a first sensing device on a key motion shaft of a target device, so as to acquire vibration data of the motion shaft and obtain vibration information items; and arranging a second sensing device on an oil stone unit, wherein the second sensing device is a pressure and temperature integrated sensing device, so as to acquire real-time pressure data and temperature data of the oil stone and obtain pressure information items and temperature information items. According to the application, low-damage combinations of different oscillation frequencies and feed speeds are preferentially selected as the device to be executed through combined damage sequencing, and the update information of the vibration information items, the pressure information items and the temperature information items is acquired in a deep level, so that the initial information items are secondarily adjusted, thereby realizing the oil stone driving control based on the dynamic parameter identification of the combination of the vibration data, the temperature data and the pressure data.
Owner:YUZHUN PRECISION MASCH (SHANGHAI) CO LTD +1

Processing device and processing method

To provide a processing device capable of efficiently controlling the floatation amount or movement of a processing magnet used as a tool and capable of performing various processes.SOLUTION: A processing device 2 is a device for processing a material to be processed using a processing magnet 10 rotating and / or oscillating, and comprises: a drive part 12 having a superconductor 30 housed and immobilized in a container 20 and magnetic flux generation means 41 which is means disposed at one side of the superconductor 30 to control movement of the processing magnet 10; and the processing magnet 10 moving to the processing position of the material to be processed in such a state as being held in air at the other side of the superconductor 30 to process the material at the processing position.SELECTED DRAWING: Figure 3
Owner:NAT UNIV CORP KYUSHU INST OF TECH (JP)

Double-rotation inner support device for superfinishing of high-precision bearing inner ring

The utility model relates to the field of bearing processing, in particular to a double-rotation inner support device for superfinishing a high-precision bearing inner ring, which is used for supporting the bearing inner ring and comprises a support shaft, a step is arranged at the front end of the support shaft, and a first inner support component and a second inner support component are detachably mounted at the front end of the support shaft through locking components. The inner supporting structure has the advantages that strain, scratches, black marks and the like caused by contact between the inner supporting structure and the inner surface of the bearing inner ring are effectively avoided, a pressing wheel does not need to be used, and the inner supporting structure is simple in structure, convenient to use and high in practicability. Therefore, scratches generated when the pressing wheel presses the end face of the bearing inner ring are effectively avoided, and the appearance of the bearing inner ring is improved. And errors caused by friction can be reduced, the machining precision of the bearing inner ring is improved, and the situation that when the bearing inner ring is machined, the outer circle face of the pressing wheel is abraded too early, and consequently the precision of a workpiece is affected is avoided.
Owner:SHANGHAI ZHENHUA BEARING WORKS

Machining process for inner raceway of workpiece

The invention belongs to the field of superfinishing of raceway surfaces, and particularly relates to a process for synchronously finishing machining of an inner raceway and a flange of a workpiece. Workpiece feeding and discharging actions can be completed through the single-shaft mechanical arm, the feeding and discharging plate longitudinally feeds and discharges the workpieces through cooperation of the two blocking strips transversely distributed at the bottom and the longitudinal air cylinder, the operation efficiency is high, the feeding and discharging online effect between two machining stations is better, the structure is more compact, and the practicability is high. And the flange grinding mechanism is used for grinding the flange surface, and the raceway grinding mechanism is used for grinding the raceway surface, so that the synchronous machining operation of the flange and the raceway can be completed through one-time feeding and discharging, the machining efficiency is greatly improved, and the machining precision is ensured.
Owner:MAANSHAN HENGYONGLI MASCH TECH CO LTD

Bearing roller superfinishing device and superfinishing process

PendingCN121946349AFlexible adjustment of available widthGrinding drivesSuperfinishing machinesStructural engineeringSuperfinishing
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.
Owner:XINCHANG COUNTY CHENGBEN ROLLER BEARING

Superfinishing method, roller bearing manufacturing method, vehicle manufacturing method, machine manufacturing method, and superfinishing device

The roller bearing component (17) has a central portion (27) having a peripheral surface with at least an axially extending linear profile, and end portions (25) having peripheral surfaces with a crown profile. The superfinishing method includes superfinishing the end portions (25) with a first grinding stone (31) while rotating the component (17), and superfinishing the central portion (27) with a second grinding stone (33) prepared separately from the first grinding stone (31) while rotating the component (17).
Owner:NSK LTD

Finishing device for finishing a ring-shaped workpiece and finishing system

The invention relates to a finishing device (10) for finishing a ring-shaped workpiece, comprising a finishing tool (12) and an oscillation drive (16) for driving the finishing tool along an oscillation axis (18), a rotary drive for driving the workpiece about a rotation axis (52), and a support device for supporting the workpiece on a horizontal support plane (88). The support device has at least one support unit (22, 24, 26) with a roller carrier (38, 40, 42) on which a support roller rotatable about a support roller axis is arranged for supporting an underside of the workpiece, and on which a support roller rotatable about a contact roller axis is arranged for contacting a circumferential surface of the workpiece. The roller carrier (38, 40, 42) of the support unit (22, 24, 26) is mounted on a frame and is aligned along a roller carrier adjustment axis (44, 46, 48). It is movable.The invention further relates to a finishing system.
Owner:SUPFINA GRIESHABER GMBH & CO KG

Workpiece status detection device

The utility model relates to the technical field of super finishing. In order to facilitate sorting personnel to quickly sort out super finishing workpieces from a ring conveyor belt, the utility model proposes a workpiece status detection device, wherein a base provided with a tray is located on the conveyor belt and moves with the conveyor belt; a status display is installed on the base through a pin shaft and is close to the edge of the base and can rotate synchronously around the pin shaft; an adjustment mechanism can toggle the status display to rotate around the pin shaft; a sensor is located on the side of the tray and is used to detect the state of the status display; when the processed workpiece is placed in the tray, the free end of the processing status rod is close to the detection end of the sensor, and the sensor detects that the status display is in a processing state; when the unprocessed workpiece is placed in the tray, the free end of the unprocessed status rod is close to the detection end of the sensor, and the sensor detects that the status display is in an unprocessed state. The use of the workpiece status detection device of the utility model can improve the efficiency of workpiece sorting.
Owner:THIEL ENHAUS MASCH (SHANGHAI) CO LTD

An ultrasonic grinding device for cylindrical rollers based on piezoelectric composite waves

This invention provides an ultrasonic grinding device for cylindrical rollers based on piezoelectric composite waves, comprising a longitudinal torsional transducer, a piezoelectric tool head, and a spindle turntable. The longitudinal torsional transducer is positioned above the piezoelectric tool head. The upper surface of the spindle turntable is uniformly provided with multiple straight grooves, and cylindrical rollers are uniformly distributed within these grooves. The piezoelectric tool head is positioned above the cylindrical rollers. This invention combines the longitudinal torsional standing wave of the longitudinal torsional transducer with the bending vibration traveling wave of the piezoelectric tool head. The tangential motion of the piezoelectric tool head's particles achieves micro-cutting grinding of the cylindrical roller's curved surface. The high-energy impact generated by the longitudinal torsional transducer in the normal direction achieves deep rolling reinforcement of the cylindrical curved surface. This solves the main problems of low processing efficiency and the inability to achieve surface modification of the cylindrical roller surface in existing processing methods.
Owner:GUANGZHOU UNIVERSITY

Finishing device for finishing an annular workpiece and finishing system

The invention relates to a finishing device (10) for finishing a ring-shaped workpiece, comprising a finishing tool (12) and an oscillation drive (16) for driving the finishing tool along an oscillation axis (18), a rotary drive for driving the workpiece about a rotation axis (52), and a support device for supporting the workpiece on a horizontal support plane (88). The support device has at least one support unit (22, 24, 26) with a roller carrier (38, 40, 42) on which a support roller rotatable about a support roller axis is arranged for supporting an underside of the workpiece, and on which a support roller rotatable about a contact roller axis is arranged for contacting a circumferential surface of the workpiece. The roller carrier (38, 40, 42) of the support unit (22, 24, 26) is mounted on a frame and is aligned along a roller carrier adjustment axis (44, 46, 48). It is movable.The invention further relates to a finishing system.
Owner:SUPFINA GRIESHABER GMBH & CO KG

Bearing ring machining device for superfinishing machine

The utility model belongs to the technical field of bearing machining, and particularly relates to a bearing ring machining device for a superfinishing machine, which comprises a superfinishing machine body, a stabilizing mechanism which is arranged on a rack below a triangular chuck and has an auxiliary supporting effect on a bearing ring, and a transverse moving mechanism which is arranged on the rear side of the rack. A moving frame is arranged above the transverse moving mechanism, a vertical plate is arranged above the moving frame, a vertical lifting mechanism is arranged on the front side of the vertical plate, a lifting plate is arranged on the front side of the vertical lifting mechanism, a vertical plate is arranged on the lifting plate, and a transverse swing mechanism is arranged on one side of the vertical plate. A longitudinal rotating mechanism is arranged at the output end of the transverse swing mechanism, and a grinding block is arranged at the output end of the longitudinal rotating mechanism. The device is reasonable in design, simple in structure and convenient to machine, the using functionality of the device can be improved, the workpiece machining precision is ensured, the working progress is guaranteed, and the using requirement is met.
Owner:LINQING JIUXING BEARING TECH CO LTD