CN102366932A - Method of grinding bearing ring by utilizing grinding wheel - Google Patents
Method of grinding bearing ring by utilizing grinding wheel Download PDFInfo
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- CN102366932A CN102366932A CN2011103812074A CN201110381207A CN102366932A CN 102366932 A CN102366932 A CN 102366932A CN 2011103812074 A CN2011103812074 A CN 2011103812074A CN 201110381207 A CN201110381207 A CN 201110381207A CN 102366932 A CN102366932 A CN 102366932A
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- emery wheel
- diameter
- grinding wheel
- race ring
- grinding
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Abstract
The invention discloses a method of grinding a bearing ring by utilizing a grinding wheel, which comprises the steps of: setting the rotation angular velocity of the grinding wheel, the feeding depth of the grinding wheel, the initial feeding speed of the grinding wheel, the switching speed and the cutting diameter of the grinding wheel on an input screen, generating a processing program, and finally beginning the processing, wherein the initial feeding speed of the grinding wheel is larger than the switching speed; the cutting diameter of the grinding wheel is set to a numerical value equal to 50-80% of the original diameter of the grinding wheel; and if the cutting diameter of the grinding wheel is reached, the feeding speed of the grinding wheel is converted from the initial speed into the switching speed. By using the method, the scratches of the bearing ring can be reduced and the quality of the bearing ring can be improved.
Description
Technical field
The present invention relates to the Ginding process of lapping device, particularly relate to a kind of use emery wheel race ring is carried out abrasive method.
Background technology
Lapping device generally is used for workpiece is carried out the cut operation, makes workpiece can reach desired shape and size precision and surface quality.Please refer to Fig. 1, lapping device generally is to carry out grinding by 1 pair of workpiece of an emery wheel 2.Here, grinding work-piece 2 is a race ring among Fig. 1.In grinding process, because wearing and tearing, it is more and more littler that the diameter of emery wheel 1 can become, and constantly advances to emery wheel 1 along direction of feed in the process that so just needs workpiece 2 to rotate in the center of circle around oneself.The surface of race ring is being carried out in the process; Method commonly used is; The angular velocity of rotation of the feed speed of workpiece 2 and emery wheel 1 remains constant in process of lapping; Such method of operating usually can cause the surface of race ring phenomenons such as scratch or slide mark to occur, influences the quality of race ring.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of use emery wheel race ring is carried out abrasive method, can effectively reduce the scratch of race ring in process of lapping.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: provide a kind of use emery wheel that race ring is carried out abrasive method; Comprise: set abrasive parameters; Said abrasive parameters comprises that angular velocity of rotation, feeding depth, initial velocity, switch speed and the emery wheel of the emery wheel that is used to grind cut for diameter, and the initial velocity of its medium plain emery wheel feeding is greater than switch speed, and emery wheel is cut for diameter and is set at 50% ~ 80% of original grinding wheel diameter; Said emery wheel grinds race ring with initial velocity, monitors the diameter of emery wheel simultaneously; When reaching emery wheel when the diameter of said emery wheel because of wearing and tearing and cutting, the initial velocity of emery wheel is become switch speed for diameter.
In preferred embodiment of the present invention, said emery wheel is cut for diameter and is set at 60% of original grinding wheel diameter.
In preferred embodiment of the present invention, the switch speed value of said emery wheel feed speed is 90% of an initial velocity value.
In preferred embodiment of the present invention, when grinding wheel diameter become green diameter 40% the time, said lapping device is reported to the police, emery wheel is changed in prompting.
The invention has the beneficial effects as follows: the present invention can effectively reduce the scratch of race ring in process of lapping, thereby improves the quality of race ring.
Description of drawings
Fig. 1 is the structural representation of lapping device commonly used;
Fig. 2 is the Ginding process control sketch map of lapping device of the present invention;
The mark of each parts is following in the accompanying drawing: emery wheel 1, workpiece 2.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 2, the present invention supplies a kind of use emery wheel that race ring is carried out abrasive method.Said use emery wheel carries out abrasive method to race ring and is used for a lapping device; Said lapping device comprises the micromonitor system that an entr screen and links to each other with entr screen, is a fixed value (being that angular velocity of rotation remains unchanged in process of lapping) setting the emery wheel angular velocity of rotation on the entr screen, the emery wheel feeding depth; Emery wheel feeding initial velocity and emery wheel feeding switch speed; Emery wheel is cut for diameter, generates procedure then, begins processing at last.When lapping device was started working, emery wheel began race ring is ground.In process of lapping, emery wheel slowly diminishes, when the reduced of emery wheel be former grinding wheel diameter 50% ~ 80% in a certain value the time (for example be 70%, the grinding wheel diameter of definition this moment is for cutting for diameter), the emery wheel feed speed switches to switch speed by initial velocity.The switch speed of its medium plain emery wheel is less than the initial velocity of emery wheel, and can set the switch speed value here is 90% of initial velocity value.Like this, the feed speed of emery wheel diminishes.Because the angular speed of emery wheel remains unchanged, when emery wheel diminished, the linear velocity of emery wheel will diminish, and emery wheel will reduce the area of cut of workpiece in unit interval this moment, and just the stock-removing efficiency of emery wheel can reduce.The degree that workpiece also is not ground to requirement will appear, emery wheel just continue to workpiece near, cause the emery wheel distortion, further make surface of the work scratch, cut etc. occur.And reduce the feed speed of emery wheel this moment; Will increase the milling time of emery wheel to workpiece, can guarantee that workpiece reaches the degree that requires of grinding, distortion can not appear in emery wheel; Taken place by abrasive phenomenon thereby can reduce race ring, reach the effect that improves the race ring quality.When lapping device continue to grind make grinding wheel diameter become green diameter 40% the time, the warning device of said lapping device is reported to the police, emery wheel is changed in prompting.Change emery wheel this moment, and lapping device works on.
It is when grinding wheel diameter reduces that use emery wheel of the present invention carries out abrasive method to race ring, through reducing the feed speed of emery wheel, increases milling time, thereby reduces the scratch that race ring produces in process of lapping, improves the quality of race ring.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (4)
1. a use emery wheel carries out abrasive method to race ring, it is characterized in that, comprising:
Set abrasive parameters; Said abrasive parameters comprises that angular velocity of rotation, feeding depth, initial velocity, switch speed and the emery wheel of the emery wheel that is used to grind cut for diameter; The initial velocity of its medium plain emery wheel feeding is greater than switch speed, and emery wheel is cut for diameter and is set at 50% ~ 80% of original grinding wheel diameter;
Said emery wheel grinds race ring with initial velocity, monitors the diameter of emery wheel simultaneously;
When reaching emery wheel when the diameter of said emery wheel because of wearing and tearing and cutting, the initial velocity of emery wheel is become switch speed for diameter.
2. use emery wheel according to claim 1 carries out abrasive method to race ring, it is characterized in that, said emery wheel is cut for diameter and is set at 60% of original grinding wheel diameter.
3. use emery wheel according to claim 1 carries out abrasive method to race ring, it is characterized in that, the switch speed value of said emery wheel feed speed is 90% of an initial velocity value.
4. use emery wheel according to claim 1 carries out abrasive method to race ring, it is characterized in that, when grinding wheel diameter become green diameter 40% the time, said lapping device is reported to the police, emery wheel is changed in prompting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103812074A CN102366932A (en) | 2011-11-26 | 2011-11-26 | Method of grinding bearing ring by utilizing grinding wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103812074A CN102366932A (en) | 2011-11-26 | 2011-11-26 | Method of grinding bearing ring by utilizing grinding wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102366932A true CN102366932A (en) | 2012-03-07 |
Family
ID=45759544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103812074A Pending CN102366932A (en) | 2011-11-26 | 2011-11-26 | Method of grinding bearing ring by utilizing grinding wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102366932A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5741172A (en) * | 1995-05-12 | 1998-04-21 | Balance Systems S.R.L. | Drive and control device and related process for a grinding machine |
| CN201970207U (en) * | 2010-10-25 | 2011-09-14 | 桐乡市易锋机械厂 | Automatic feed quantity correcting device for grinding machine |
-
2011
- 2011-11-26 CN CN2011103812074A patent/CN102366932A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5741172A (en) * | 1995-05-12 | 1998-04-21 | Balance Systems S.R.L. | Drive and control device and related process for a grinding machine |
| CN201970207U (en) * | 2010-10-25 | 2011-09-14 | 桐乡市易锋机械厂 | Automatic feed quantity correcting device for grinding machine |
Non-Patent Citations (3)
| Title |
|---|
| 屈里强 张志涛: "套圈内表面磨削时进给速度的自动控制", 《轴承》 * |
| 张琦: "磨削加工中砂轮的有级恒线速控制", 《江南学院学报》 * |
| 罗伟文: "砂轮进给速度对CBN砂轮磨损影响的试验研究", 《汽车工艺与材料》 * |
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Application publication date: 20120307 |