CN110340774A - High-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device and method - Google Patents

High-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device and method Download PDF

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Publication number
CN110340774A
CN110340774A CN201910724545.XA CN201910724545A CN110340774A CN 110340774 A CN110340774 A CN 110340774A CN 201910724545 A CN201910724545 A CN 201910724545A CN 110340774 A CN110340774 A CN 110340774A
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CN
China
Prior art keywords
grinding
grinding wheel
longitudinal direction
rotating mechanism
external diameter
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Pending
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CN201910724545.XA
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Chinese (zh)
Inventor
朱天胜
刘刚
郭昆峰
孙捷
徐古洛
童楚春
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SHANGHAI TIEKE BEARING CO Ltd
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SHANGHAI TIEKE BEARING CO Ltd
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Application filed by SHANGHAI TIEKE BEARING CO Ltd filed Critical SHANGHAI TIEKE BEARING CO Ltd
Priority to CN201910724545.XA priority Critical patent/CN110340774A/en
Publication of CN110340774A publication Critical patent/CN110340774A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B1/00Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B19/00Single-purpose machines or devices for particular grinding operations not covered by any other main group
    • B24B19/02Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
    • B24B19/06Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/20Drives or gearings; Equipment therefor relating to feed movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/04Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/35Accessories
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/06Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/12Dressing tools; Holders therefor

Abstract

The present invention is a kind of high-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device and method.Apparatus of the present invention include grinding wheel works, wheel dressing mechanism and workpiece motion s mechanism;The grinding wheel works control grinding wheel rotation by grinding wheel controller, the wheel dressing mechanism controls the movement of trimmer bracket by the first transverse movement control mechanism, first longitudinal direction motion control mechanism, and drives finishing pen to modify the grinding wheel by the first rotating mechanism;The workpiece motion s mechanism drives the work piece holder to make feed motion to grinding wheel by the second transverse movement control structure, second longitudinal direction motion control structure and the second rotating mechanism.

Description

High-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device and method
Technical field
The present invention relates to a kind of grinding attachments of high-precision deep groove ball bearing, especially disclose a kind of high-precision deep-groove ball axis Hold bear inner ring grooved railway and internal-and external diameter composite grinding device and method.
Background technique
High-precision deep groove ball bearing be widely used in it is all kinds of run at high speed, high-precision equipment use occasion, to the essence of bearing Degree requires stringent, and the processing quality of bearing parts directly affects the service life of bearing finished products, and bearing industry bearing parts Machining is also different from traditional mechanical processing industry, has certain particularity and unicity.Common deep groove ball bearing Particular/special requirement is not done to the geometric accuracy of internal-and external diameter, is usually all using the single processing of dispersion.For high-precision high-speed operating Accurate deep groove ball bearing, the internal-and external diameter of bearing inner race also act as guidance turning effort simultaneously, and internal-and external diameter still processes septal fossula simultaneously The processing quality of subsequent handling is directly influenced with the geometric accuracy of the benchmark of processing internal diameter, therefore the processing of inner ring internal-and external diameter.
In the prior art, it when the internal-and external diameter of machining high-precision deep groove ball bearing, needs to replace grinding wheel on outer diameter lathe, Grinding wheel is accomplished into straight surface grinding with trimmer;When processing septal fossula, need to replace grinding wheel on interior raceway groove lathe, by sand Wheel is trimmed to circular arc R grinding.Therefore, the internal-and external diameter of bearing inner race and the channel of bearing inner race are dispersed on two lathes Processing, needs to change work twice, adjusts lathe twice, and replacement grinding wheel is cumbersome twice, and the resetting simultaneously for workpiece is also straight Connecing influences processing efficiency and processing quality.There is dispersion processing for inner ring internal-and external diameter and interior raceway groove, main cause is exactly by morning The equipment of phase restricts, and does not have internal-and external diameter and septal fossula composite grinding simultaneously in the equipment of early stage, crushing system is single, twice Process can only separate machined, therefore processing technology also just receives restriction.
Summary of the invention
It is an object of the invention to overcome problems of the prior art, providing one kind be can be realized through an equipment Grinding bearing internal-and external diameter and septal fossula, raising grinding accuracy simultaneously, improve the high-precision deep groove ball bearing of working efficiency, energy saving Bear inner ring grooved railway and internal-and external diameter composite grinding device and method.
The present invention is implemented as follows: a kind of high-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device, Including grinding wheel works, wheel dressing mechanism and workpiece motion s mechanism;
The grinding wheel works: the grinding wheel controller including grinding wheel and for controlling grinding wheel rotation;
The wheel dressing mechanism: including trimmer bracket, the first transverse movement control for being connected respectively with the trimmer bracket Mechanism, first longitudinal direction motion control mechanism and the first rotating mechanism processed;First rotating mechanism is equipped with described for modifying The finishing pen of grinding wheel;
The workpiece motion s mechanism: including work support, the second transverse movement control being connected respectively with the work support is tied Structure, second longitudinal direction motion control structure and the second rotating mechanism, second rotating mechanism are equipped with work piece holder;
The grinding wheel controller controls the grinding wheel rotation, is moved by the first transverse movement control mechanism, first longitudinal direction It is mobile that control mechanism controls the trimmer bracket, and drives finishing pen to repair the grinding wheel by the first rotating mechanism It is whole;The workpiece motion s mechanism drives the work piece holder transverse shifting by the second transverse movement control structure, passes through The second longitudinal direction motion control structure and the second rotating mechanism drive the work piece holder to make feed motion to grinding wheel.
The grinding wheel controller includes grinding carriage, asynchronous machine and ring flange, and the grinding wheel is fixed by the ring flange On the grinding carriage, the grinding carriage is connected with the asynchronous machine;The grinding carriage is dynamic and static pressure system grinding carriage.
The first transverse movement control mechanism is connected including the first lateral supporting plate and with the described first lateral supporting plate First servo motor;The first longitudinal direction motion control mechanism include first longitudinal direction supporting plate and with the first longitudinal direction supporting plate phase The second servo motor even;First rotating mechanism includes the first rotary shaft and the third that is connected with first rotary shaft Servo motor.
The second transverse movement control structure is connected including the second lateral supporting plate and with the described second lateral supporting plate 4th servo motor;The second longitudinal direction motion control structure, including second longitudinal direction supporting plate and with the second longitudinal direction supporting plate phase The 5th servo motor even;Second rotating mechanism, including workpiece shaft and the 6th servo being connected with the workpiece shaft Motor, the work piece holder are fixed in the workpiece shaft.
The work piece holder is electric magnetic no-core clamp.
Grinding surface shape after the crushing be sequentially connected by the first straight surface, arc-shaped surface and the second straight surface and At.
A kind of composite grinding of high-precision deep groove ball bearing bear inner ring grooved railway as described above and internal-and external diameter composite grinding device Method includes the following steps:
(1) bearing inner race is fixed on work piece holder;Start the second rotating mechanism, the second rotating mechanism band is started building The rotation of part fixture, and bearing inner race is driven to rotate;
(2) start grinding wheel works and wheel dressing mechanism, grinding wheel controller controls grinding wheel rotation;First transverse movement control Mechanism, first longitudinal direction motion control mechanism and the first rotating mechanism move in place, into initial cut position;
(3) grinding wheel shape is modified:
A. the first of grinding wheel the straight surfacing: the first rotating mechanism drives finishing pen to do -70 ° ~ -50 ° rotations in the Z-axis direction, Meanwhile first transverse movement control mechanism control that trimmer bracket is mobile, first longitudinal direction motion control mechanism exists in the X-axis direction It is mobile that trimmer bracket is controlled in Y direction, completes the first straight surfacing to grinding wheel;
B. the arc-shaped surface finishing of grinding wheel: after the first straight surfacing, the first rotating mechanism drives finishing pen in Z-direction On do+50 ° ~+70 ° rotations, modify the arc-shaped surface of grinding wheel;During this, the first transverse movement control mechanism and first is indulged State is remain stationary to motion control mechanism;
C. the second of grinding wheel the straight surfacing: finishing pen is located at+50 ° ~+70 ° positions in Z-direction, at this point, first laterally transports Dynamic control mechanism is moved along X-axis, completes the second straight surfacing of grinding wheel;
(4) after the completion of step (3), wheel dressing mechanism retracts original position, and bearing inner race enters under the driving of workpiece motion s mechanism Grinding position;
Transverse grinding position is adjusted by the second transverse movement control structure, adjusts transverse grinding position before grinding first, The center of the lateral channel position and grinding wheel that make the bearing inner race coincide, and fastens cross slide;
Grinding starts, and the workpiece motion s mechanism drives institute by the second longitudinal direction motion control structure and the second rotating mechanism The bearing inner race for stating work piece holder clamping makees feed motion to grinding wheel, completes grinding, reset after grinding.
In step (3), it is 0.006mm/s ~ 0.01mm/ that first rotating mechanism, which drives the rotation speed of finishing pen rotation, s。
In step (3), the first transverse movement control mechanism controls the mobile movement of trimmer planker in the X-axis direction Speed is 0.006mm/s ~ 0.01mm/s;The first longitudinal direction motion control mechanism controls the shifting of trimmer planker in the Y-axis direction Dynamic movement speed 0.5mm/s ~ 1mm/s.
The beneficial effects of the present invention are: the present invention is realized can be completed in deep groove ball bearing inner ring by an equipment Existing two lathes are processed two procedures by the composite grinding of ditch and internal-and external diameter respectively, merge into a machine tool while can Two procedures are processed, resetting benchmark and geometric accuracy error, ensure that the quality of product when avoiding two procedures processing, A tractor serves several purposes, while greatly improving work efficiency again, and saved energy consumption.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the structural schematic diagram of grinding process medium plain emery wheel and bearing inner race of the present invention.
Wherein: 1, grinding wheel works;101, grinding wheel;1011, the first straight surface;1012, arc-shaped surface;1013, second Straight surface;
102, grinding carriage;103, asynchronous machine;104, ring flange;
2, wheel dressing mechanism;201, trimmer bracket;202, pen is modified;203, the first lateral supporting plate;204, the first servo electricity Machine;205, first longitudinal direction supporting plate;206, the second servo motor;207, the first rotary shaft;208, third servo motor;
3, workpiece motion s mechanism;301, work support;302, work piece holder;303, the second lateral supporting plate;304, the 4th servo electricity Machine;305, second longitudinal direction supporting plate;306, the 5th servo motor;307, workpiece shaft;308, the 6th servo motor;
4, bearing inner race.
Specific embodiment
According to Fig. 1, Fig. 2, high-precision deep groove ball bearing bear inner ring grooved railway of the present invention and internal-and external diameter composite grinding device, including sand Take turns works 1, wheel dressing mechanism 2 and workpiece motion s mechanism 3.
The grinding wheel works 1: the grinding wheel controller including grinding wheel 101 and for controlling the rotation of grinding wheel 101;The sand Wheel controller includes grinding carriage 102, asynchronous machine 103 and ring flange 104, and the grinding wheel 101 is fixed by the ring flange 104 On the grinding carriage 102, the grinding carriage 102 is connected with the asynchronous machine 103;The grinding carriage 102 is dynamic and static pressure sand Wheel carrier.
The wheel dressing mechanism 2: including trimmer bracket 201, be connected respectively with the trimmer bracket 201 first Transverse movement control mechanism, first longitudinal direction motion control mechanism and the first rotating mechanism;First rotating mechanism, which is equipped with, to be used In the finishing pen 202 for modifying the grinding wheel 101.The preferred dressing diamond of the finishing pen 202.
The first transverse movement control mechanism, including the first lateral supporting plate 203 and with the described first lateral supporting plate 203 Connected first servo motor 204.The first longitudinal direction motion control mechanism, including first longitudinal direction supporting plate 205 and with described The second connected servo motor 206 of one longitudinal supporting plate 205.First rotating mechanism, including the first rotary shaft 207 and with institute State the connected third servo motor 208 of the first rotary shaft 207.
The workpiece motion s mechanism 3: including work support 301, second to be connected respectively with the work support 301 is laterally Motion control structure, second longitudinal direction motion control structure and the second rotating mechanism, second rotating mechanism are equipped with workpiece clamp Tool 302;The work piece holder 302 is electric magnetic no-core clamp.
The second transverse movement control structure, including the second lateral supporting plate 303 and with the described second lateral supporting plate 303 The 4th connected servo motor 304.The second longitudinal direction motion control structure, including second longitudinal direction supporting plate 305 and with described The 5th connected servo motor 306 of two longitudinal supporting plates 305;Second rotating mechanism, including workpiece shaft 307 and with it is described The 6th connected servo motor 308 of workpiece shaft 307, the work piece holder 302 are fixed in the workpiece shaft 307.
The grinding wheel controller controls the grinding wheel rotation, and the wheel dressing mechanism passes through the first transverse movement control It is mobile that mechanism processed, first longitudinal direction motion control mechanism control the trimmer bracket, and drives finishing by the first rotating mechanism Pen modifies the grinding wheel;The workpiece motion s mechanism drives the workpiece by the second transverse movement control structure Fixture transverse shifting drives the work piece holder to grinding wheel by the second longitudinal direction motion control structure and the second rotating mechanism Make feed motion.
Grinding surface shape after the finishing of grinding wheel 101 is by the first straight surface 1011, arc-shaped surface 1012 and the second straight table Face 1013 is connected in turn.
The composite grinding method of high-precision deep groove ball bearing bear inner ring grooved railway of the present invention and internal-and external diameter composite grinding device, including Following steps:
(1) bearing inner race 4 is fixed on work piece holder;Start the second rotating mechanism, second rotating mechanism drives Work piece holder rotation, and bearing inner race is driven to rotate;
(2) start grinding wheel works and wheel dressing mechanism, grinding wheel controller controls grinding wheel rotation;First transverse movement control Mechanism, first longitudinal direction motion control mechanism and the first rotating mechanism move in place, into initial cut position;
(3) grinding wheel shape is modified:
A. the first of grinding wheel the straight surfacing: the first rotating mechanism drives finishing pen to do -70 ° ~ -50 ° rotations in the Z-axis direction, It is preferred that -60 °, meanwhile, the first transverse movement control mechanism controls the movement of trimmer bracket, first longitudinal direction movement in the X-axis direction Control mechanism controls the movement of trimmer bracket in the Y-axis direction, completes the first straight surfacing to grinding wheel;
Wherein, it is 0.006mm/s ~ 0.01mm/s that first rotating mechanism, which drives the rotation speed of finishing pen rotation, preferably 0.008mm/s.The speed speed of rotation determines the fineness of crushing.The first transverse movement control mechanism is in X-axis It is 0.006mm/s ~ 0.01mm/s, preferably 0.008mm/s that the mobile movement speed of trimmer bracket is controlled on direction;Described One longitudinal movement control mechanism controls the mobile movement speed 0.5mm/s ~ 1mm/s of trimmer bracket in the Y-axis direction, preferably 0.5mm/s。
B. the arc-shaped surface finishing of grinding wheel: after the first straight surfacing, the first rotating mechanism drives finishing pen in Z axis + 50 ° ~+70 ° rotations are done on direction, preferably+60 °, modify the arc-shaped surface of grinding wheel;At this point, the first transverse movement control mechanism and First longitudinal direction motion control mechanism is remain stationary.
C. the second of grinding wheel the straight surfacing: finishing pen is located at+50 ° ~+70 °, preferably+60 ° positions in Z-direction, this When, the first transverse movement control mechanism is moved along X-axis, completes the second straight surfacing of grinding wheel;
(4) be ground: after the completion of step (3), wheel dressing mechanism retracts original position, and bearing inner race is under the driving of workpiece motion s mechanism Into grinding position;
Transverse grinding position is adjusted by the second transverse movement control structure, adjusts transverse grinding position before grinding first, The center of the lateral channel position and grinding wheel that make the bearing inner race coincide, and fastens cross slide;
Grinding starts, and the workpiece motion s mechanism drives institute by the second longitudinal direction motion control structure and the second rotating mechanism The bearing inner race for stating work piece holder clamping makees feed motion to grinding wheel, completes grinding, reset after grinding.

Claims (9)

1. a kind of high-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device, it is characterised in that: transported including grinding wheel Rotation mechanism, wheel dressing mechanism and workpiece motion s mechanism;
The grinding wheel works: the grinding wheel controller including grinding wheel and for controlling grinding wheel rotation;
The wheel dressing mechanism: including trimmer bracket, the first transverse movement control for being connected respectively with the trimmer bracket Mechanism, first longitudinal direction motion control mechanism and the first rotating mechanism processed;First rotating mechanism is equipped with described for modifying The finishing pen of grinding wheel;
The workpiece motion s mechanism: including work support, the second transverse movement control being connected respectively with the work support is tied Structure, second longitudinal direction motion control structure and the second rotating mechanism, second rotating mechanism are equipped with work piece holder;
The grinding wheel controller controls the grinding wheel rotation, is moved by the first transverse movement control mechanism, first longitudinal direction It is mobile that control mechanism controls the trimmer bracket, and drives finishing pen to repair the grinding wheel by the first rotating mechanism It is whole;The workpiece motion s mechanism drives the work piece holder transverse shifting by the second transverse movement control structure, passes through The second longitudinal direction motion control structure and the second rotating mechanism drive the work piece holder to make feed motion to grinding wheel.
2. the high-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device according to claim 1, special Sign is: the grinding wheel controller includes grinding carriage, asynchronous machine and ring flange, and the grinding wheel is fixed on by the ring flange On the grinding carriage, the grinding carriage is connected with the asynchronous machine;The grinding carriage is dynamic and static pressure system grinding carriage.
3. high-precision deep groove ball bearing bear inner ring grooved railway according to claim 1 and internal-and external diameter composite grinding device, feature Be: the first transverse movement control mechanism, including the first lateral supporting plate and be connected with the described first lateral supporting plate first Servo motor;The first longitudinal direction motion control mechanism includes first longitudinal direction supporting plate and is connected with the first longitudinal direction supporting plate Second servo motor;First rotating mechanism includes the first rotary shaft and the third servo that is connected with first rotary shaft Motor.
4. high-precision deep groove ball bearing bear inner ring grooved railway according to claim 1 and internal-and external diameter composite grinding device, feature It is: the second transverse movement control structure, the to be connected including the second lateral supporting plate and with the described second lateral supporting plate Four servo motors;The second longitudinal direction motion control structure, including second longitudinal direction supporting plate and be connected with the second longitudinal direction supporting plate The 5th servo motor;Second rotating mechanism, including workpiece shaft and the 6th servo being connected with workpiece shaft electricity Machine, the work piece holder are fixed in the workpiece shaft.
5. high-precision deep groove ball bearing bear inner ring grooved railway according to claim 1 or 4 and internal-and external diameter composite grinding device, special Sign is: the work piece holder is electric magnetic no-core clamp.
6. high-precision deep groove ball bearing bear inner ring grooved railway according to claim 1 and internal-and external diameter composite grinding device, feature Be: the grinding surface shape after the crushing is connected in turn by the first straight surface, arc-shaped surface and the second straight surface.
7. a kind of high-precision deep groove ball bearing bear inner ring grooved railway as described in any one of claim 1-6 and internal-and external diameter composite mill The composite grinding method of turning device, characterized by the following steps:
Bearing inner race is fixed on work piece holder;Start the second rotating mechanism, second rotating mechanism drives workpiece Fixture rotation, and bearing inner race is driven to rotate;
Start grinding wheel works and wheel dressing mechanism, grinding wheel controller controls grinding wheel rotation;First transverse movement controls machine Structure, first longitudinal direction motion control mechanism and the first rotating mechanism move in place, into initial cut position;
Grinding wheel shape finishing:
A. the first of grinding wheel the straight surfacing: the first rotating mechanism drives finishing pen to do -70 ° ~ -50 ° rotations in the Z-axis direction, Meanwhile first transverse movement control mechanism control that trimmer bracket is mobile, first longitudinal direction motion control mechanism exists in the X-axis direction It is mobile that trimmer bracket is controlled in Y direction, completes the first straight surfacing to grinding wheel;
B. the arc-shaped surface finishing of grinding wheel: after the first straight surfacing, the first rotating mechanism drives finishing pen in Z-direction On do+50 ° ~+70 ° rotations, modify the arc-shaped surface of grinding wheel;During this, the first transverse movement control mechanism and first is indulged State is remain stationary to motion control mechanism;
C. the second of grinding wheel the straight surfacing: finishing pen is located at+50 ° ~+70 ° positions in Z-direction, at this point, first laterally transports Dynamic control mechanism is moved along X-axis, completes the second straight surfacing of grinding wheel;
After the completion of step (3), wheel dressing mechanism retracts original position, and bearing inner race enters grinding under the driving of workpiece motion s mechanism Position;
Transverse grinding position is adjusted by the second transverse movement control structure, adjusts transverse grinding position before grinding first, The center of the lateral channel position and grinding wheel that make the bearing inner race coincide, and fastens cross slide;
Grinding starts, and the workpiece motion s mechanism drives institute by the second longitudinal direction motion control structure and the second rotating mechanism The bearing inner race for stating work piece holder clamping makees feed motion to grinding wheel, completes grinding, reset after grinding.
8. the composite mill of high-precision deep groove ball bearing bear inner ring grooved railway according to claim 7 and internal-and external diameter composite grinding device Cutting method, it is characterised in that: in step (3), the rotation speed that first rotating mechanism drives finishing pen to rotate is 0.006mm/s~0.01mm/s。
9. the composite mill of high-precision deep groove ball bearing bear inner ring grooved railway according to claim 7 and internal-and external diameter composite grinding device Cutting method, it is characterised in that: in step (3), the first transverse movement control mechanism controls trimmer planker in the X-axis direction Mobile movement speed is 0.006mm/s ~ 0.01mm/s;The first longitudinal direction motion control mechanism controls in the Y-axis direction to be repaired The mobile movement speed 0.5mm/s ~ 1mm/s of whole device planker.
CN201910724545.XA 2019-08-07 2019-08-07 High-precision deep groove ball bearing bear inner ring grooved railway and internal-and external diameter composite grinding device and method Pending CN110340774A (en)

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Publication number Priority date Publication date Assignee Title
CN113263371A (en) * 2021-05-18 2021-08-17 河南科技大学 High-precision bearing polishing device

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CN104070456A (en) * 2014-06-04 2014-10-01 湖南海捷主轴科技有限公司 Static pressure trimmer for ultra precision ball bearing inner ring channel grinding abrasive wheel and trimming method
CN210307158U (en) * 2019-08-07 2020-04-14 上海特安一凯轴承有限公司 High-precision deep groove ball bearing inner ring groove and inner and outer diameter composite grinding device

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Publication number Priority date Publication date Assignee Title
CN201175858Y (en) * 2008-01-02 2009-01-07 文宇 Oversize ball bearing double-groove high precision diamond grinding wheel dressing device
CN101811277A (en) * 2009-12-24 2010-08-25 濮阳贝英数控机械设备有限公司 Grinding device and using method thereof for ball bearing inner ring raceway
JP2011194552A (en) * 2010-03-24 2011-10-06 Okamoto Machine Tool Works Ltd Compound surface grinding apparatus with workpiece support device
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CN103962914A (en) * 2014-04-21 2014-08-06 浙江石轴数控设备有限公司 Spherical roller bearing inner ring raceway grinder device and method thereof
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113263371A (en) * 2021-05-18 2021-08-17 河南科技大学 High-precision bearing polishing device

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