CN106271973A - The method of three-dimensional feeding grinding abnormity raceway groove and instrument - Google Patents
The method of three-dimensional feeding grinding abnormity raceway groove and instrument Download PDFInfo
- Publication number
- CN106271973A CN106271973A CN201510281053.XA CN201510281053A CN106271973A CN 106271973 A CN106271973 A CN 106271973A CN 201510281053 A CN201510281053 A CN 201510281053A CN 106271973 A CN106271973 A CN 106271973A
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- China
- Prior art keywords
- grinding
- center
- dimensional feeding
- emery wheel
- abnormity
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Classifications
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- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A kind of method that the present invention relates to three-dimensional feeding grinding abnormity raceway groove, it is characterized in that, comprise the following steps: a kind of method of three-dimensional feeding grinding abnormity raceway groove, it is characterized in that, comprise the following steps: first the transverse center of three-dimensional feeding abrasive grinding wheel is directed at the center startup three-dimensional feeding abrasive grinding wheel that roller outer ring needs the special-shaped raceway of grinding, radial feed, directly arrives target size;Left and right axial feed, the R center of circle of the left and right sides reaching grinding is symmetrical, and two center of circle distances reach a numerical value of regulation；Emery wheel resets, center to radial feed, carry out subsequent cycle mill. forming grinding wheel be a kind of arranged on left and right sides shape respectively with workpiece left and right sides shape one to emery wheel, achieved the few grinding fast feed of radial direction of emery wheel more than the method for the surface of intersection center of circle, workpiece left and right sides distance by the surface of intersection center of circle, the left and right sides distance of emery wheel, and the difference feeding of the left and right both direction of emery wheel, it is achieved that the processing and forming of workpiece.
Description
Technical field
The present invention relates to a kind of grinding technique, be related specifically to a kind of inside groove processing bearing outer ring adds technique.
The invention further relates to a kind of machining tool, be related specifically to process the emery wheel of bearing outer ring inside groove.
Background technology
In prior art, the inside groove processing to bearing outer ring is all to use general emery wheel to go polishing, polishing process, first polish the edge of inside groove, here main reasons is that and determined by the shape of emery wheel body, because, for bearing, this cell body is for installing steel ball, its two walls are arcuate structures, the end of including too, but the polishing edge now with emery wheel is linear, namely have, the most square, or it is bibeveled, or monocline face, they final changes are all right angles, this emery wheel is difficult for polishing the shape of a circular arc, particularly in polishing process, have to be from the beginning of edge, otherwise, arc-shaped of can not polishing is come, if start polishing from edge, then the polishing time is the longest, this is determined by friction area.And this technique also exists always, since there being polishing outer ring inside groove technique to start, this technique polished the most inwards from edge is deposited always.
Summary of the invention
A kind of method that first technical barrier that the present invention solves is to provide novel three-dimensional feeding grinding abnormity raceway groove, coordinates abrasive grinding wheel, it is achieved driven mill by center to both sides, reduce the conventional polishing time, and the polishing time is improved at least twice.
For completing foregoing invention purpose, the present invention is achieved in that a kind of method of three-dimensional feeding grinding abnormity raceway groove, it is characterized in that, described abnormity raceway groove refers to that bearing outer ring is for laying the special-shaped raceway groove of ball, the profile of this raceway groove matches with the size of ball, in its positive bottom, it is provided with a raceway groove.
Described three-dimensional feeding abrasive grinding wheel is to be made up of emery wheel main body and grinding body, and described grinding body, by the curved contraction to end of both sides root, finally connects on top；Match with radian bottom the special-shaped raceway of outer ring.
Comprise the following steps:
(1) first the transverse center of three-dimensional feeding abrasive grinding wheel is directed at the center that roller outer ring needs the special-shaped raceway of grinding；
(2) start three-dimensional feeding abrasive grinding wheel, radial feed, directly arrive target size；
(3) left and right axial feed, the R center of circle of the left and right sides reaching grinding is symmetrical, and two center of circle distances reach a numerical value of regulation；
(4) emery wheel resets, and to the center of radial feed, carries out subsequent cycle mill.
(5) PSX emery wheel emery wheel is opened, to workpiece bottom slot；
The edge of described three-dimensional feeding abrasive grinding wheel is convexity, matches with radian bottom the special-shaped raceway of outer ring.
The method of this patent is, first existing grinder buffing becomes the emery wheel body of a fillet, say, that, our requirement, when reaching trench bottom of wheel grinding body, its radian is just radian required bottom cell body, so, just can direct centre of location point, allow emery wheel entirety polish, unlike in the past, polish by one side, so polish, one enters to tap into wheel, and dynamics is relatively big, and second, overall three common polishings, polishing speed is fast；3rd, can carry out exchanging the size of emery wheel according to the size of cell body, two axial one sides are polished apart from little, thus accelerate polishing speed, and the time of more than twice at least shortens in the method side of polishing than ever.
Three-dimensional feeding grinding is a kind of method in approximation molding grinding, the radial feed of forming grinding wheel achieve forming grinding wheel and workpiece radial position one to, and the carrying out of left and right both direction achieve forming grinding wheel and workpiece on axial location one to.Described forming grinding wheel be a kind of arranged on left and right sides shape respectively with workpiece left and right sides shape one to emery wheel, achieved the few grinding fast feed of radial direction of emery wheel more than the method for the surface of intersection center of circle, workpiece left and right sides distance by the surface of intersection center of circle, the left and right sides distance of emery wheel, and the difference feeding of the left and right both direction of emery wheel, it is achieved that the processing and forming of workpiece.
Second goal of the invention of the present invention is: provide a kind of three-dimensional feeding abrasive grinding wheel, it is adaptable to the polishing of the steel-ball groove of bearing outer ring.
For completing foregoing invention purpose, the present invention is achieved in that the global shape of described three-dimensional feeding abrasive grinding wheel is oblateness, and the distance of center circle of left and right sides R strengthens.This emery wheel entirety size and conventional emery wheel are without sample, and in order to be applicable to the Zai You center polishing mode to two ends of first being polished by center, the radius distance of center circle of the emery wheel left and right sides is strengthened by this patent；That is, originally the edge that rolled off the production line is made into the examination of camber line, the most this mode just can directly be directed at the polishing of abnormity raceway center, directly output a U-shaped mouth, such for bottommost, angle will not be formed, cause cannot repair below, once form such U-shaped mouth, be the contact shape of arc, exactly steel ball bottom it；When opening such a U-shaped mouth, speed is quickly, and reason is, its stress is straight line stress, and two polishing contact surfaces are big, and such straight line one side polishing speed than ever of slotting to go up twice soon.As for both sides, due to the diameter of the thickness of emery wheel, generally less than ball, can repair by row when both sides, when repairing, owing to the marginal portion of responsible polishing is also arc, the most just avoid the part producing secondary formation corner, and, in general, the thickness of emery wheel is little with the different diameters of steel ball, so, the part repaired is the least, the most just accelerates the speed of polishing.
Being further limited technique scheme, the edge of described three-dimensional feeding abrasive grinding wheel is convexity；Match with radian bottom the special-shaped raceway of outer ring.Described grinding body, by the curved contraction to end of both sides root, finally connects on top；Match with radian bottom the special-shaped raceway of outer ring.
In order to adapt to the needs of different steel ball, trickle regulation is done for this, nevertheless, the top of emery wheel, must match with radian bottom abnormity raceway, less than original radian, but can must not be more than original radian.Second point, from polishing position root to top, must be ensured of constricted arc, it is not possible to is that straight line receives straight line contraction, otherwise, can produce corner and corner angle when rear this is repaired.
Accompanying drawing explanation
Fig. 1 is this patent polishing generalized section.
It is embodied as examination
For the feature of the more one progressive explanation present invention, it is further described below in conjunction with the accompanying drawings.
A kind of method of three-dimensional feeding grinding abnormity raceway groove 23, first has to the workpiece clearly processed here；Described abnormity raceway groove 23 refer to bearing outer ring 2 for laying the raceway groove 23 of ball, the profile of this raceway groove 23 matches with the size of ball, in its positive bottom, is provided with a raceway groove 23.
Described three-dimensional feeding abrasive grinding wheel is to be made up of emery wheel main body and grinding body 12, and described grinding body, by the curved contraction to end of both sides root, finally connects on top 11；Match with radian bottom the special-shaped raceway 21 of outer ring 2.In order to adapt to the needs of different steel ball
In any case, the top of emery wheel, must match with radian bottom abnormity raceway 21, less than original radian, but can must not be more than original radian.Second point, from polishing position root to top, must be ensured of constricted arc, it is not possible to is that straight line receives straight line contraction, otherwise, can produce corner and corner angle when rear this is repaired.
Concrete processing method comprises the following steps:
(1) first the transverse center of three-dimensional feeding abrasive grinding wheel is directed at the center that roller outer ring 2 needs the special-shaped raceway 21 of grinding；
(2) start three-dimensional feeding abrasive grinding wheel, radial feed, directly arrive target size；
(3) left and right axial feed, repairs abnormity raceway both sides 22, and the R center of circle of the left and right sides reaching grinding is symmetrical, and two center of circle distances reach a numerical value of regulation；
(4) emery wheel resets, and to the center of radial feed, carries out subsequent cycle mill.
(5) PSX emery wheel emery wheel is opened, to workpiece bottom slot；
The edge of described three-dimensional feeding abrasive grinding wheel is convexity, matches with radian bottom the special-shaped raceway 21 of outer ring 2.
This emery wheel entirety size and conventional emery wheel are without sample, and in order to be applicable to the Zai You center polishing mode to two ends of first being polished by center, the radius distance of center circle of the emery wheel left and right sides is strengthened by this patent；That is, originally the edge that rolled off the production line is made into the examination of camber line, the most this mode just can directly be directed at the polishing of abnormity raceway center, directly output a U-shaped mouth, such for bottommost, angle will not be formed, cause cannot repair below, once form such U-shaped mouth, be the contact shape of arc, exactly steel ball bottom it；When opening such a U-shaped mouth, speed is quickly, and reason is, its stress is straight line stress, and two polishing contact surfaces are big, and such straight line one side polishing speed than ever of slotting to go up twice soon.As for both sides, due to the diameter of the thickness of emery wheel, generally less than ball, can repair by row when both sides, when repairing, owing to the marginal portion of responsible polishing is also arc, the most just avoid the part producing secondary formation corner, and, in general, the thickness of emery wheel is little with the different diameters of steel ball, so, the part repaired is the least, the most just accelerates the speed of polishing.
First existing grinder buffing is become the emery wheel body of a fillet by this patent, say, that our requirement, when wheel grinding body reaches bottom the cell body of outer ring 2, its radian is just radian required bottom cell body, less than original radian, but can must not be more than original radian；So, just can direct centre of location point, allow emery wheel entirety polish, unlike in the past, polish by one side, so polish, one enters to tap into wheel, and dynamics is relatively big, second, overall three common polishings, polishing speed is fast；3rd, can carry out exchanging the size of emery wheel according to the size of cell body, two axial one sides are polished apart from little, thus accelerate polishing speed, and the time of more than twice at least shortens in the method side of polishing than ever.
Claims (6)
1. the method for a three-dimensional feeding grinding abnormity raceway groove, it is characterised in that comprise the following steps:
(1) first the transverse center of three-dimensional feeding abrasive grinding wheel is directed at the center that roller outer ring needs the special-shaped raceway of grinding；
(2) start three-dimensional feeding abrasive grinding wheel, radial feed, directly arrive target size；
(3) left and right axial feed, the R center of circle of the left and right sides reaching grinding is symmetrical, and two center of circle distances reach a numerical value of regulation；
(4) emery wheel resets, and to the center of radial feed, carries out subsequent cycle mill；
Described three-dimensional feeding abrasive grinding wheel be a kind of arranged on left and right sides shape respectively with the left and right sides shape one of workpiece abnormity raceway to emery wheel.
The method of a kind of three-dimensional feeding grinding abnormity raceway groove the most according to claim 1, it is characterized in that: described abnormity raceway groove refers to that bearing outer ring is for laying the raceway groove of ball, the profile of this raceway groove matches with the size of ball, in its positive bottom, is provided with a raceway groove.
The method of a kind of three-dimensional feeding grinding abnormity raceway groove the most according to claim 1, it is characterized in that: described three-dimensional feeding abrasive grinding wheel is to be made up of emery wheel main body and grinding body, described grinding body, by the curved contraction to end of both sides root, finally connects on top；Match with radian bottom the raceway of outer ring.
4. the three-dimensional feeding abrasive grinding wheel for claim 1, it is characterised in that: the global shape of described three-dimensional feeding abrasive grinding wheel is oblateness, and the distance of center circle of left and right sides R strengthens.
A kind of three-dimensional feeding abrasive grinding wheel the most according to claim 4, it is characterised in that: the edge of described three-dimensional feeding abrasive grinding wheel is convexity；Match with radian bottom the special-shaped raceway of outer ring.
A kind of three-dimensional feeding abrasive grinding wheel the most according to claim 4, it is characterised in that: described grinding body, by the curved contraction to end of both sides root, finally connects on top；Match with radian bottom the special-shaped raceway of outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281053.XA CN106271973B (en) | 2015-05-28 | 2015-05-28 | The method and tool of three-dimensional feeding grinding abnormity channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510281053.XA CN106271973B (en) | 2015-05-28 | 2015-05-28 | The method and tool of three-dimensional feeding grinding abnormity channel |
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| Publication Number | Publication Date |
|---|---|
| CN106271973A true CN106271973A (en) | 2017-01-04 |
| CN106271973B CN106271973B (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510281053.XA Active CN106271973B (en) | 2015-05-28 | 2015-05-28 | The method and tool of three-dimensional feeding grinding abnormity channel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088811A (en) * | 2017-06-12 | 2017-08-25 | 成都天马铁路轴承有限公司 | Mechanical grinding system and method for wind-powered turntable bearing raceway groove soft ribbons region |
| CN115383577A (en) * | 2022-08-23 | 2022-11-25 | 廊坊祥和密封制品有限公司 | Processing method of polytetrafluoroethylene modified sealing plate |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009050927A (en) * | 2007-08-24 | 2009-03-12 | Jtekt Corp | Grinder |
| CN102229112A (en) * | 2011-06-23 | 2011-11-02 | 江苏万达特种轴承有限公司 | Finishing method of grinding wheel for grinding angular contact type bearing channel |
| CN202479924U (en) * | 2012-02-29 | 2012-10-10 | 南京工艺装备制造有限公司 | Device for grinding lead screw track by double grinding wheels |
-
2015
- 2015-05-28 CN CN201510281053.XA patent/CN106271973B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009050927A (en) * | 2007-08-24 | 2009-03-12 | Jtekt Corp | Grinder |
| CN102229112A (en) * | 2011-06-23 | 2011-11-02 | 江苏万达特种轴承有限公司 | Finishing method of grinding wheel for grinding angular contact type bearing channel |
| CN202479924U (en) * | 2012-02-29 | 2012-10-10 | 南京工艺装备制造有限公司 | Device for grinding lead screw track by double grinding wheels |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107088811A (en) * | 2017-06-12 | 2017-08-25 | 成都天马铁路轴承有限公司 | Mechanical grinding system and method for wind-powered turntable bearing raceway groove soft ribbons region |
| CN107088811B (en) * | 2017-06-12 | 2020-05-22 | 成都天马铁路轴承有限公司 | Mechanical polishing system and method for soft belt area of wind power turntable bearing channel |
| CN115383577A (en) * | 2022-08-23 | 2022-11-25 | 廊坊祥和密封制品有限公司 | Processing method of polytetrafluoroethylene modified sealing plate |
| CN115383577B (en) * | 2022-08-23 | 2023-10-13 | 廊坊祥和密封制品有限公司 | Processing method of polytetrafluoroethylene modified sealing plate |
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| Publication number | Publication date |
|---|---|
| CN106271973B (en) | 2019-04-19 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee after: Jiangsu Wanda Special Bearing Co.,Ltd. Address before: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee before: JIANGSU WANDA SPECIAL BEARING Co.,Ltd. |
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Address after: 226500 No. 333, Fushou East Road, Rucheng street, Rugao City, Nantong City, Jiangsu Province Patentee after: Jiangsu Wanda Special Bearing Co.,Ltd. Address before: 226500 No.189, South Yishou Road, Rucheng Town, Rugao City, Nantong City, Jiangsu Province Patentee before: Jiangsu Wanda Special Bearing Co.,Ltd. |
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