CN104690620B - Method for finishing trench in end face of thrust ball bearing ferrule - Google Patents
Method for finishing trench in end face of thrust ball bearing ferrule Download PDFInfo
- Publication number
- CN104690620B CN104690620B CN201510096081.4A CN201510096081A CN104690620B CN 104690620 B CN104690620 B CN 104690620B CN 201510096081 A CN201510096081 A CN 201510096081A CN 104690620 B CN104690620 B CN 104690620B
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- China
- Prior art keywords
- grinding wheel
- grinding
- emery wheel
- face
- arc
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-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
- B24B19/06—Single-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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
- B24B53/075—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a method for finishing a trench in the end face of a thrust ball bearing ferrule, and belongs to the technical field of bearing ferrule processing. The ferrule disclosed by the invention is clamped by a magnetic sucking disk chuck on a workpiece main shaft in a manner that the central line is transverse; a deflection arc-shaped outer surface disk-shaped forming grinding wheel is used as a grinding tool; the circle center of the deflection arc forming bus of the forming grinding wheel is deflected from an axial central symmetry plane; the ferrule rotates around the own central line serving as a center; the axial line of a workpiece and the axial line of the grinding wheel form an acute angle and are positioned on the same plane; the grinding wheel rotates to enable the arc surface of the grinding wheel to realize radial feeding so as to cut into the trench in the inclination direction, and the position, with the maximum linear speed, of the grinding wheel is correspondingly matched with the position, with the maximum linear speed, of the trench; therefore, differential compensation of high to high and low to low is formed; under axial, radial and tangent loads, the grinding wheel carries out precision grinding; a grinding wheel finisher is arranged on a linear quitting path of the grinding wheel; a finishing pen of the grinding wheel finisher does arc swinging motion; the tip trace of the finishing pen is an inwards sunken arc corresponding to the forming bus of the deflection arc surface on the outer surface of the forming grinding wheel.
Description
Technical field
The invention belongs to bearing ring processing technique field, especially with a kind of thrust ball bearing ring face raceway groove fine grinding side
Method is relevant.
Background technology
The end face raceway groove of thrust ball bearing lasso is circular arc raceway groove, end face raceway groove and the longitudinal cross-section for crossing ferrule central line
Intersection be circular arc line.After the machined shaping of end face raceway groove, need to be through grinding improving raceway groove precision.It is currently used for
The grinding machine of thrust ball bearing ring face raceway groove grinding, its layout is all to be fixed on lathe bed top using workpiece spindle device
Face, dresser is arranged at the position away from work spindle, and grinding wheel spindle intersects stacked feed mechanism and drives by X axles, Y axles
Move and moved on X axles and Y direction of principal axis, realize that contact grinding of the emery wheel with lasso and withdrawing move to dresser position and enter
Row crushing, such grinding machine makes the distance of emery wheel withdrawing to dresser farther out, and the non-cutting time of occupancy is longer, so as to
Production efficiency is reduced, and intersecting stacked feed mechanism makes feed accuracy easily produce larger accumulated error, so as to reduce mill
Machining accuracy is cut, in order to improve above-mentioned defect, the applicant proposes a kind of thrust ball bearing ring face raceway groove grinding
Method, workpiece is clamped by magnetic chuck chuck, and is rotated by work spindle, forming grinding wheel high speed under grinding wheel spindle driving
Rotation, and the incision end face raceway groove that advances under servo-drive, wheel dressing mechanism is arranged on emery wheel straight line withdrawing path, realizes
Advance processing, straight line retreats crushing, improve crushing precision and production efficiency, but such method for grinding for
The higher precision bearing lasso of required precision still exist it is defective, because emery wheel uses symmetrical arc-shaped outer surface plate-like
Forming grinding wheel, the shaping bus of forming grinding wheel is the circular arc that the center of circle is located on the Central Symmetry face of emery wheel axial direction, emery wheel axial direction and work
Part is axially vertical, and emery wheel radial feed vertical cut incision raceway groove, emery wheel mainly receives radially and tangentially load, and due to ring raceways rotation
Turn, the radius r on the inside of raceway groove is less than outer radius R, then linear velocity when lasso rotates on the inside of raceway groove is less than outside, with raceway groove ditch
Bottom contacts, and bottom of trench linear velocity is not maximum, and the linear velocity will be mismatched, and affects the form accuracy in outside in raceway groove,
And then make the precision of bearing ring not reach high-accuracy requirement.
The content of the invention
The shape in raceway groove interior outside when the purpose of the present invention is intended to overcome existing thrust ball bearing ring face raceway groove to be ground
Precision is not very high defect, there is provided a kind of good thrust ball bearing ring face raceway groove fine grinding of ring face channel shape precision
Method.
For this purpose, the present invention is employed the following technical solutions：Thrust ball bearing ring face raceway groove methods of refining, is characterized in that,
The lasso of thrust ball bearing is open into shape and is clamped by the magnetic chuck chuck on work spindle with center line, and grinding knife tool is using inclined
Turn arc-shaped outer surface plate-like forming grinding wheel, axial Central Symmetry face is deviateed in the center of circle of the deflection circular arc molding bus of forming grinding wheel,
The deflection arc surface of forming grinding wheel as cutwork face, during lasso is driven with its own center line as rotation by work spindle
The heart rotates, and axis of workpiece is with the axis of grinding wheel spindle angle in an acute angle and in the same plane, and at a high speed rotation makes sand to emery wheel
The cutwork face radial feed of wheel is chamfer into raceway groove, makes corresponding of grinding speed maximum and raceway groove linear velocity maximum
Match somebody with somebody, the minimum place of grinding speed and the minimum place's Corresponding matching of raceway groove linear velocity, formation soon to it is fast, slowly to slow differential compensation, sand
Wheel is subject to axial direction, radially and tangentially load, carries out accurate grinding；Dresser is arranged at the side in emery wheel straight line withdrawing path
Side, the finishing pen of dresser carries out circular arc swinging motion, and the nib track for repairing pen is in and forming grinding wheel appearance deflecting facet
The corresponding indent arc of shaping bus of arc surface, the cutwork face of emery wheel outer surface and finishing pen when emery wheel straight line is retreated
Stylus contact, the cutwork face on emery wheel is repaired during finishing rotation, realize that advance processing, straight line of emery wheel is retreated
Crushing, reduces crushing holding time, and while emery wheel withdrawing crushing, by the bearing for machining
Lasso is reclaimed, and sends into next bearing ring to be processed, improves production efficiency.
The present invention can reach following beneficial effect：By the way that by workpiece, axially axially angle in an acute angle is arranged with emery wheel,
The outer surface of plate-like forming grinding wheel is arranged to deflect circular arc, and to ring face raceway groove processing is carried out, and realizes the cutting circle of emery wheel
Cambered surface and raceway groove arc surface form linear velocity soon to fast, slow to slow differential compensation, carry out micro cutting, it is ensured that in ring raceways
The form accuracy in outside, realizes accurate grinding, the required precision of precision bearing lasso has been reached, while by the straight line in emery wheel
The side of reverse paths arranges dresser, realizes advance processing, straight line retrogressing crushing, improves production efficiency.
Description of the drawings
Fig. 1 is the principle schematic of the present invention.
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in figure 1, the lasso of the thrust ball bearing of the present invention is open into shape by the magnetic on work spindle with center line
Sucker chuck is clamped, and lasso 1 is driven by pivot of its own center line by work spindle and rotated, and grinding knife tool is using inclined
Turn arc-shaped outer surface plate-like forming grinding wheel 2, axial Central Symmetry is deviateed in the center of circle of the deflection circular arc molding bus of forming grinding wheel 2
Face, the deflection arc surface of forming grinding wheel 2 matches as cutwork face with the radian of ring raceways, axis of workpiece and emery wheel
The axis angle in an acute angle of main shaft is simultaneously in the same plane, and at a high speed rotation makes the cutwork face diameter of emery wheel 2 to entering for emery wheel 2
To chamferring into raceway groove, make the linear velocity maximum of emery wheel 2 and raceway groove linear velocity maximum Corresponding matching, the minimum place of grinding speed and
Corresponding matching at raceway groove linear velocity minimum, forms soon to fast, slow to slow differential compensation, and emery wheel 2 is subject to axially, radially and tangentially
Load, carries out micro cutting, it is ensured that the form accuracy in outside in ring raceways, reaches high-accuracy requirement；Dresser 3 sets
The side in the straight line withdrawing path of emery wheel 2 is placed in, the finishing pen of dresser 3 carries out circular arc swinging motion, repairs the nib of pen
Track is in indent arc corresponding with the shaping bus of forming grinding wheel appearance deflecting facet arc surface, the sand when the straight line of emery wheel 2 is retreated
The cutwork face of wheel outer surface and the Stylus contact of finishing pen, repair during finishing rotation to the cutwork face on emery wheel
Whole, realizing that emery wheel 2 advances to be contacted with ring face carries out raceway groove processing, and the straight line of emery wheel 2 retreats the finishing pen with dresser
Stylus contact carry out crushing, reduce the finishing holding time of emery wheel 2, and while emery wheel withdrawing crushing,
The bearing ring for machining is reclaimed, next bearing ring to be processed is sent into, production efficiency is improve.
Claims (1)
1. thrust ball bearing ring face raceway groove methods of refining, it is characterised in that：The lasso of thrust ball bearing is with center line Cheng Heng
Clamped by the magnetic chuck chuck on work spindle to shape, grinding knife tool adopts deflection arc-shaped outer surface plate-like forming grinding wheel, into
Axial Central Symmetry face is deviateed in the center of circle of the deflection circular arc molding bus of abrasive wheel, and the deflection arc surface of forming grinding wheel is used as cutting
Working face, lasso is driven with its own center line as pivot rotation, axis of workpiece and grinding wheel spindle by work spindle
Axis angle in an acute angle is simultaneously in the same plane, emery wheel at a high speed rotation make the cutwork face radial feed of emery wheel chamfer into
Raceway groove, makes grinding speed maximum and raceway groove linear velocity maximum Corresponding matching, with raceway groove linear speed at grinding speed minimum
Corresponding matching at minimum is spent, is formed soon to fast, slow to slow differential compensation, emery wheel is subject to axial direction, radially and tangentially load, carries out
Accurate grinding；Dresser is arranged at the side in emery wheel straight line withdrawing path, and the finishing pen of dresser carries out circular arc pendulum
Transhipment is dynamic, and the nib track for repairing pen is in indent arc corresponding with the shaping bus of forming grinding wheel appearance deflecting facet arc surface,
The cutwork face of emery wheel outer surface and the Stylus contact for repairing pen when emery wheel straight line is retreated, on emery wheel during finishing rotation
Cutwork face repaired, realize emery wheel advance processing, straight line retreat crushing, by the bearing ring for machining return
Receive, send into next bearing ring to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096081.4A CN104690620B (en) | 2015-03-04 | 2015-03-04 | Method for finishing trench in end face of thrust ball bearing ferrule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510096081.4A CN104690620B (en) | 2015-03-04 | 2015-03-04 | Method for finishing trench in end face of thrust ball bearing ferrule |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104690620A CN104690620A (en) | 2015-06-10 |
| CN104690620B true CN104690620B (en) | 2017-05-10 |
Family
ID=53338372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510096081.4A Active CN104690620B (en) | 2015-03-04 | 2015-03-04 | Method for finishing trench in end face of thrust ball bearing ferrule |
Country Status (1)
| Country | Link |
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| CN (1) | CN104690620B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109048566A (en) * | 2018-09-29 | 2018-12-21 | 慈溪新美培林精密轴承有限公司 | A kind of bearing dustproof groove milling tools and associated bearings dustproof groove technique |
| CN109333255A (en) * | 2018-11-27 | 2019-02-15 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Self-aligning thrust roller bearing abrasive grinding wheel |
| CN112658875A (en) * | 2020-12-22 | 2021-04-16 | 中国航发哈尔滨轴承有限公司 | Spherical grinding method for centripetal thrust bearing ring with end surface orthodrome |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU496161A2 (en) * | 1972-07-03 | 1975-12-25 | Саратовский политехнический институт | Method of grinding grooves of products such as thrust ball bearing rings |
| JP2007296585A (en) * | 2006-04-27 | 2007-11-15 | Ntn Corp | Method of manufacturing bearing device |
| CN2936574Y (en) * | 2006-05-26 | 2007-08-22 | 新乡市日升数控设备有限公司 | Digital control end surface thrust ball bearing channel grinder |
| CN104275632B (en) * | 2014-04-22 | 2017-06-16 | 浙江盛达物联科技股份有限公司 | Thrust ball bearing ring face raceway groove method for grinding and its device |
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2015
- 2015-03-04 CN CN201510096081.4A patent/CN104690620B/en active Active
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| Publication number | Publication date |
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| CN104690620A (en) | 2015-06-10 |
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| CB02 | Change of applicant information |
Address after: 312500 Zhejiang, Shaoxing, Xinchang County, Nanming street, North South Road, No. 116 Applicant after: Zhejiang Shengda Polytron Technologies Inc Address before: 312500 Zhejiang, Shaoxing, Xinchang County, Nanming street, North South Road, No. 116 Applicant before: Xinchang Shengda Technology Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20220616 Address after: 312400 1st floor, building 2, 68 YAXIAN Road, Sanjiang street, Shengzhou City, Shaoxing City, Zhejiang Province Patentee after: Zhejiang Shengda Intelligent Equipment Co.,Ltd. Address before: 312500 No.116 Jiangnan North Road, Nanming street, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: ZHEJIANG SIENECT IOT TECHNOLOGY CO.,LTD. |
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| TR01 | Transfer of patent right |