CN106271973B - The method and tool of three-dimensional feeding grinding abnormity channel - Google Patents
The method and tool of three-dimensional feeding grinding abnormity channel Download PDFInfo
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- CN106271973B CN106271973B CN201510281053.XA CN201510281053A CN106271973B CN 106271973 B CN106271973 B CN 106271973B CN 201510281053 A CN201510281053 A CN 201510281053A CN 106271973 B CN106271973 B CN 106271973B
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- grinding wheel
- grinding
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- center
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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
This patent is related to a kind of method of three-dimensional feeding grinding abnormity channel, it is characterized in that, the following steps are included: a kind of method of three-dimensional feeding grinding abnormity channel, it is characterized in that, the following steps are included: the center starting three-dimensional feeding abrasive grinding wheel for the special-shaped raceway for needing to be ground by the transverse center alignment idler wheel outer ring of three-dimensional feeding abrasive grinding wheel first, radial feed, directly arrival target size;Left and right axial feed, the center of circle R for reaching the left and right sides of grinding is symmetrical, and two circle center distances reach a defined numerical value；Grinding wheel resets, to the center of radial feed, carry out subsequent cycle mill forming grinding wheel be a kind of arranged on left and right sides shape respectively with shape one at left and right sides of workpiece to grinding wheel, it is ground fast feed less by the radial direction that the method that the left and right sides surface of intersection circle center distance of grinding wheel is greater than surface of intersection circle center distance at left and right sides of workpiece realizes grinding wheel, and the feeding respectively of the left and right both direction of grinding wheel, realize the processing and forming of workpiece.
Description
Technical field
The present invention relates to a kind of grinding techniques, are related specifically to a kind of processing skill of inside groove for processing bearing outer ring.
The invention further relates to a kind of machining tools, are related specifically to the grinding wheel of processing bearing outer ring inside groove.
Background technique
It is all in the prior art to go to polish using general grinding wheel to the inside groove processing of bearing outer ring, polishing process, first
It polishes the edge of inside groove, here main reasons is that being determined by the shape of grinding wheel body, because, for bearing this slot
Body is for installing steel ball, its two walls are an arcuate structures, including bottom is same, but now with the polishing side of grinding wheel
Edge is linear, that is, is had, and either rectangular or double inclined plane or monocline face, their final variations are all
Right angle, this grinding wheel for polish an arc-shaped shape be it is difficult, especially in polishing process, it is necessary to
Since edge, otherwise, arc-shaped of can not polishing is come, and polishes if it is since edge, then the time of polishing is very long, this is to be ground
Wipe what area was determined.And this technique always exists, it is this from edge since there is polishing outer ring inside groove technique to start
The technique bit by bit polished inwards is deposited always.
Summary of the invention
First technical problem that the present invention solves is to provide the novel three-dimensional feeding grinding abnormity channel of one kind
Method cooperates abrasive grinding wheel, realizes from center to two sides and opens mill, reduces the previous polishing time, and the polishing time is improved at least
Twice.
To complete foregoing invention purpose, the present invention is implemented as follows: a kind of three-dimensional feeding grinding abnormity channel
Method, which is characterized in that the abnormity channel refer to bearing outer ring for placing the special-shaped channel of ball, the shape of the channel with
The size of ball matches, and in its positive bottom, is equipped with a channel.
The three-dimensional feeding abrasive grinding wheel is made of grinding wheel main body and grinding body, and the grinding body is by two sides root
To the arc-shaped contraction in end, finally connect on top；It is matched with the special-shaped raceway bottom radian of outer ring.
The following steps are included:
(1) in the special-shaped raceway for needing to be ground by the transverse center alignment idler wheel outer ring of three-dimensional feeding abrasive grinding wheel first
Heart position；
(2) starting three-dimensional feeds abrasive grinding wheel, radial feed, directly arrival target size；
(3) left and right axial feed, the center of circle R for reaching the left and right sides of grinding is symmetrical, and two circle center distances reach defined
One numerical value；
(4) grinding wheel resets, until the center of radial feed, carries out subsequent cycle mill.
(5) double bevel grinding wheel grinding wheel is opened, to workpiece bottom slot；
The edge of the three-dimensional feeding abrasive grinding wheel is convexity, is matched with the special-shaped raceway bottom radian of outer ring.
The method of this patent is, first by existing grinder buffing at the grinding wheel body of a fillet, that is to say, that Wo Menyao
It asks, when reaching trench bottom of wheel grinding body, radian is just radian required by groove body bottom, in this way, can be direct
Centre of location point, allows grinding wheel integrally to polish, and unlike previous the same, with polishing on one side, polishing in this way, one into tapping into
Wheel, dynamics is larger, and second, whole three faces are polished jointly, and polishing speed is fast；Third can be exchanged according to the size of groove body
Thus the size of grinding wheel, two axial single sides polishings accelerate polishing speed, this method at least contracted than previous polishing side apart from small
Short twice or more of time.
Three-dimensional feeding grinding is realized into for one of approximate molding grinding method, the radial feed of forming grinding wheel
Abrasive wheel and workpiece are in radial position one to and left and right both direction realize forming grinding wheel and workpiece in axial direction
On position one to.The forming grinding wheel be a kind of arranged on left and right sides shape respectively with shape one at left and right sides of workpiece to sand
Wheel, the method for being greater than surface of intersection circle center distance at left and right sides of workpiece by the left and right sides surface of intersection circle center distance of grinding wheel are real
The radial direction for having showed grinding wheel is ground fast feed less, and the feeding respectively of the left and right both direction of grinding wheel, realizes the molding of workpiece
Processing.
Second goal of the invention of the invention is: providing a kind of three-dimensional feeding abrasive grinding wheel, the steel ball suitable for bearing outer ring
The polishing of slot.
To complete foregoing invention purpose, the present invention is implemented as follows: the whole shape of the three-dimensional feeding abrasive grinding wheel
Shape is increased in oblateness, the distance of center circle of left and right sides R.The grinding wheel entirety size and previous grinding wheel are without sample, in order to suitable for by
The heart is first polished again from center to the polishing mode at both ends, and this patent increases the radius distance of center circle at left and right sides of grinding wheel；Namely
It says, original offline edge is changed to the examination of camber line, and only this mode just can directly be directed at special-shaped raceway center polishing, directly
Output a U-shaped mouth, it is such for bottommost, not will form angle, cause it is subsequent can not repair, once being formed this
The U-shaped mouth of sample, bottom are arc, the exactly contact shape of steel ball；When opening such a U-shaped mouth, speed is quickly
, the reason is that, its stress is straight line stress, two polishing contact surfaces are big, and such straight line fluting is than previous single side polishes speed
It is upper twice fast.As for both sides, due to the thickness of grinding wheel, the generally less than diameter of ball, row is repaired when can be to both sides, is being repaired
When, the marginal portion due to being responsible for polishing is also arc, then and it just avoids and generates the secondary part for forming corner, moreover,
In general, the thickness of grinding wheel and the diameter of steel ball are not much different, so, the part very little of repairing just accelerates polishing in this way
Speed.
Above-mentioned technical proposal is further limited, the edge of the three-dimensional feeding abrasive grinding wheel is convexity；With
The special-shaped raceway bottom radian of outer ring matches.The grinding body is finally being pushed up from two sides root to the arc-shaped contraction in end
End connects；It is matched with the special-shaped raceway bottom radian of outer ring.
In order to adapt to the needs of different steel balls, subtle adjusting has been done for this, nevertheless, the top of grinding wheel,
It has to match with special-shaped raceway bottom radian, original radian can be less than, but original radian must not be greater than.The
It 2 points, from polishing position root to top, has to be ensured of constricted arc, it is not possible to it is that straight line receives straight line contraction, otherwise,
Corner and corner angle can be generated when this is repaired afterwards.
Detailed description of the invention
Fig. 1 is this patent polishing diagrammatic cross-section.
Specific implementation examination
In order to which more one progress illustrates the features of the present invention, it is further described with reference to the accompanying drawing.
A kind of method of three-dimensional feeding grinding abnormity channel 23, first has to the workpiece clearly processed here；It is described different
Shape channel 23 refers to that bearing outer ring 2 is matched for placing the channel 23 of ball, the shape of the channel 23 with the size of ball,
Its positive bottom is equipped with a channel 23.
The three-dimensional feeding abrasive grinding wheel is made of grinding wheel main body and grinding body 12, and the grinding body is by two lateral roots
Portion finally connects on top 11 to the arc-shaped contraction in end；It is matched with the 21 bottom radian of special-shaped raceway of outer ring 2.In order to suitable
Answer the needs of different steel balls
Anyway, the top of grinding wheel is had to match with special-shaped 21 bottom radian of raceway, can be less than originally
Radian, but original radian must not be greater than.Second point has to be ensured of arc receipts from polishing position root to top
Contracting, it is not possible to be that straight line receives straight line contraction, otherwise, corner and corner angle can be generated in this rear repairing.
Specific processing method the following steps are included:
(1) the special-shaped raceway 21 for needing to be ground by the transverse center alignment idler wheel outer ring 2 of three-dimensional feeding abrasive grinding wheel first
Center；
(2) starting three-dimensional feeds abrasive grinding wheel, radial feed, directly arrival target size；
(3) left and right axial feed repairs special-shaped raceway two sides 22, and the center of circle R for reaching the left and right sides of grinding is symmetrical, and two
Circle center distance reaches a defined numerical value；
(4) grinding wheel resets, until the center of radial feed, carries out subsequent cycle mill.
(5) double bevel grinding wheel grinding wheel is opened, to workpiece bottom slot；
The edge of the three-dimensional feeding abrasive grinding wheel is convexity, is matched with the 21 bottom radian of special-shaped raceway of outer ring 2
It closes.
The grinding wheel entirety size and previous grinding wheel are without sample, in order to be suitable for beating from center to both ends again of first being polished from center
Mill mode, this patent increase the radius distance of center circle at left and right sides of grinding wheel；That is, original offline edge is changed to camber line
Examination, only this mode just can directly be directed at special-shaped raceway center polishing, directly output a U-shaped mouth, such for most
For bottom, not will form angle, cause it is subsequent can not repair, such U-shaped mouth, bottom are arc once being formed, just
It is the contact shape of steel ball well；When opening such a U-shaped mouth, speed is cracking, the reason is that, its stress be straight line by
Power, two polishing contact surfaces are big, and such straight line fluting is polished upper twice fastly of speed than previous single side.As for both sides, due to grinding wheel
Thickness, the generally less than diameter of ball, row is repaired when can be to both sides, in repairing, due to being responsible for the marginal portion of polishing
It is arc, then just avoids and generate the secondary part for forming corner, moreover, in general, the thickness of grinding wheel and steel ball
Diameter is not much different, so, the part very little of repairing just accelerates the speed of polishing in this way.
This patent is first by existing grinder buffing at the grinding wheel body of a fillet, that is to say, that we require, grinding wheel mill
When cutting body and reaching 2 groove body bottom of outer ring, radian is just radian required by groove body bottom, can be less than original radian,
But original radian must not be greater than；In this way, can direct centre of location point, allow grinding wheel integrally to polish, unlike with
Toward equally, with polishing on one side, polish in this way, one into wheel is tapped into, and dynamics is larger, and second, whole three faces are polished jointly, are polished
Speed is fast；Third, can carry out the size for exchanging grinding wheel according to the size of groove body, and two axial single sides polishings are apart from small, thus
Polishing speed is accelerated, this method at least shortens twice or more of time than the side of polishing in the past.
Claims (4)
1. a kind of method of three-dimensional feeding grinding abnormity channel, which comprises the following steps:
(1) centre bit for the special-shaped raceway for needing to be ground by the transverse center alignment idler wheel outer ring of three-dimensional feeding abrasive grinding wheel first
It sets；
(2) starting three-dimensional feeds abrasive grinding wheel, radial feed, directly arrival target size；
(3) left and right axial feed, the center of circle R for reaching the left and right sides of grinding is symmetrical, and two circle center distances reach one defined
Numerical value；
(4) grinding wheel resets, until the center of radial feed, carries out subsequent cycle mill；
The described three-dimensional feeding abrasive grinding wheel is a kind of arranged on left and right sides shape left and right sides shape with workpiece abnormity raceway respectively
Consistent grinding wheel；The abnormity raceway refer to bearing outer ring for placing the special-shaped raceway of ball, the shape of the abnormity raceway and
The size of ball matches, and in its positive bottom, is equipped with a special-shaped channel.
2. a kind of method of three-dimensional feeding grinding abnormity channel according to claim 1, it is characterised in that: described
Three-dimensional, which feeds abrasive grinding wheel, to be made of grinding wheel main body and grinding body, and the grinding body is from two sides root to the arc-shaped receipts in end
Contracting, finally connects on top；It is matched with the special-shaped raceway bottom radian of outer ring.
3. a kind of method of three-dimensional feeding grinding abnormity channel according to claim 2, it is characterised in that: described
Three-dimensional feeds the global shape of abrasive grinding wheel in oblateness, and the distance of left and right sides R increases.
4. a kind of method of three-dimensional feeding grinding abnormity channel according to claim 2, it is characterised in that: described
The edge that three-dimensional feeds abrasive grinding wheel is convexity；It is matched with the special-shaped raceway bottom radian 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 |
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| CN106271973A CN106271973A (en) | 2017-01-04 |
| CN106271973B true 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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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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 |
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| Publication number | Publication date |
|---|---|
| CN106271973A (en) | 2017-01-04 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| 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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| CP02 | Change in the address of a patent holder |
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. |