CN102601697A - Machining method for reference end face and non-reference end face of super-huge type thin-wall bearing ring - Google Patents
Machining method for reference end face and non-reference end face of super-huge type thin-wall bearing ring Download PDFInfo
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- CN102601697A CN102601697A CN2012100476841A CN201210047684A CN102601697A CN 102601697 A CN102601697 A CN 102601697A CN 2012100476841 A CN2012100476841 A CN 2012100476841A CN 201210047684 A CN201210047684 A CN 201210047684A CN 102601697 A CN102601697 A CN 102601697A
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Abstract
The invention relates to a machining method for a reference end face and a non-reference end face of a super-huge type thin-wall bearing ring. The bearing ring refers to an outer ring or an inner ring, one end face of the outer ring or the inner ring before machining is called a reference end face I, the other end surface of the outer ring or the inner ring before machining is called a reference end face II, a used machine tool is the M74100 surface grinding machine, a plurality of plane cushion blocks are placed between the reference end face I and an electromagnetic working table, auxiliary mechanical clamps are configured between the reference end face I and an electromagnetic working table, the horizontal position of the reference end face II is aligned by the plane cushion blocks and gaskets and is clamped in an inner channel or an outer channel by the plurality of auxiliary mechanical clamps so that the outer ring or the inner ring can be fixed on the electromagnetic working table, the electromagnetic working table can not be electrified and can not be in a magnetizing state, coarse grinding is carried out on the reference end face II firstly, and then fine grinding is carried out on the reference end face I to meet the requirement of the tolerance of form and position, so as to complete the grinding for the non-reference end face and the reference end face of the outer ring or the inner ring; in addition, the axial and radial deformation can not be caused, so as to provide convenience for the follow-up machining.
Description
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Technical field
The invention belongs to the process for machining technical field, refer more particularly to the processing method of a kind of super-huge thin-wall bearing ferrule datum end face and non-datum end face.
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Background technology
Super-huge thin-wall bearing ferrule has two end faces; An end face is used for doing datum end face; Another end face is used for doing non-datum end face; Datum end face and non-datum end face need first grinding to come out and are that benchmark just can carry out the processing of super-huge thin-wall bearing ferrule subsequent handling according to datum end face, so the flatness error that produces after datum end face and the non-datum end face grinding can directly have influence on the machining accuracy of follow-up each operation.
The grinding process process of datum end face and non-datum end face is roughly following:
An end face of super-huge thin-wall bearing ferrule is lain on the electromagnetic worktable of M74100 surface grinding machine; Logical powering on makes electromagnetic worktable be in the state of magnetizing; Adsorb an end face of super-huge thin-wall bearing ferrule by magnetic force, another end face makes it become non-datum end face through grinding, and outage makes electromagnetic worktable be in demagnetized state then; Again another end face is turned on the electromagnetic worktable that lies in the M74100 surface grinding machine; Logical again powering on makes electromagnetic worktable be in the state of magnetizing, and adsorbs another end face of super-huge thin-wall bearing ferrule by magnetic force, and an end face makes it become datum end face through grinding; The datum end face grinding finishes to the electromagnetic worktable outage, and makes respective markers at datum end face.
There is following problem in above-mentioned technical process:
Twice magnetic force absorption of electromagnetic worktable can make super-huge thin-wall bearing ferrule produce axial slight deformation; Axially the generation of slight deformation can directly have influence on the flatness error of datum end face and non-datum end face, and the generation of flatness error can have influence on the machining accuracy of follow-up each operation.
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Summary of the invention
For addressing the above problem; The invention provides the processing method of a kind of super-huge thin-wall bearing ferrule datum end face and non-datum end face; The embodiment of this processing method is to be used on the M74100 surface grinding machine; Make super-huge thin-wall bearing ferrule not produce axial deformation through the support of plane cushion block and the chucking of Aided Machine anchor clamps, so the flatness that is produced after datum end face and the non-datum end face grinding meets the processing request of follow-up each operation of super-huge thin-wall bearing ferrule, processing method is simple and practical.
For realizing the foregoing invention purpose, the present invention has adopted following technical scheme:
The processing method of a kind of super-huge thin-wall bearing ferrule datum end face and non-datum end face, super-huge thin-wall bearing ferrule or refer to the outer ring of this bearing, or refer to the inner ring of this bearing; The internal diameter of outer ring has interior raceway groove; The external diameter of inner ring has outer raceway groove, and an end face with outer ring or inner ring before undressed is tentative for basic I end face is basic II end face with another end face is tentative, and the used lathe of processing method is the M74100 surface grinding machine; Processing method relates to several plane cushion blocks; The physical dimension of several plane cushion blocks is in full accord, and processing method also relates to the pad that several Aided Machine anchor clamps and thickness do not wait, and processing method then of the present invention is following:
With the outer ring or the said basic I end face of inner ring lies on the electromagnetic worktable of M74100 surface grinding machine; Between said basic I end face and electromagnetic worktable, put into several plane cushion blocks; Each plane cushion block is by outer ring or the even disposition interval of the circumferencial direction of inner ring; At the other Aided Machine anchor clamps that all dispose of each plane cushion block; All Aided Machine anchor clamps all are in the said interior raceway groove end of outer ring, or all are in the said outer raceway groove end of inner ring, and all Aided Machine anchor clamps all are fixed on the said electromagnetic worktable; Through the plane cushion block be added in the horizontal level that pad on the cushion block of plane comes the said basic II end face of centering; And through several Aided Machine anchor clamps be stuck in said in raceway groove or said outer raceway groove makes outer ring or inner ring be able to be fixed on the said electromagnetic worktable, said electromagnetic worktable can not be switched on and can not be in the state of magnetizing, and comes rough to process said basic II end face through the M74100 surface grinding machine; And being labeled as non-datum end face to said basic II end face, the flatness error after the said basic II end face rough processing should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule; Said basic II end face is turned several plane cushion blocks that lie in even disposition interval; Because each plane cushion block is etc. high after grinding check; So outer ring or inner ring are fixed on the said electromagnetic worktable once more through several Aided Machine anchor clamps; Said electromagnetic worktable can not be switched on and can not be in the state of magnetizing at this moment; Come fine grinding to cut the said basic I end face of processing through M74100 surface grinding machine multi-pass; And being labeled as datum end face to said basic I end face, the Geometrical Tolerance Principle that flatness error after the processing should meet super-huge thin-wall bearing ferrule is cut in the fine grinding of said basic I end face, so far accomplishes the non-datum end face grinding and the datum end face grinding of outer ring or inner ring.
Owing to adopt technical scheme as stated, the present invention has following superiority:
1, the present invention has solved the problem that is produced in the background technology effectively; The support through the plane cushion block and the chucking of Aided Machine anchor clamps and electromagnetic worktable no power and be not in the state of magnetizing; Make super-huge thin-wall bearing ferrule can not produce axial deformation; So the flatness error that is produced after datum end face and the non-datum end face grinding meets the processing request of follow-up each operation of super-huge thin-wall bearing ferrule; Processing method is simple and practical, for super-huge thin-wall bearing ferrule provides good benchmark requirement.
2, processing method general operation personnel of the present invention can operate enforcement.
3, adopt plane cushion block and Aided Machine anchor clamps, can avoid super-huge thin-wall bearing ferrule to produce axial deformation.
4, Aided Machine anchor clamps nose end configuration in super-huge thin-wall bearing ferrule, the plane cushion block evenly disposes by its circumferencial direction, has ensured that the suffered chucking power of super-huge thin-wall bearing ferrule is even, also avoids super-huge thin-wall bearing ferrule to produce radial deformation.
5, the present invention has reduced the equipment input for the grinding of super-huge thin-wall bearing ferrule datum end face and non-datum end face provides a kind of new approaches, new method, has saved investment.
The specific embodiment
About the correlation technique standard of super-huge thin-wall bearing ferrule referring to GB/T271-1997.The bearing of the nominal outside diameter dimension D＞440mm of extra large size bearing promptly is called super-huge thin-wall bearing ferrule for the ultralight of outside dimension＞440mm, special thin bearing ring.
The present invention is the processing method of a kind of super-huge thin-wall bearing ferrule datum end face and non-datum end face.The grinding process process that this processing method and background technology are introduced not only is related but also exist difference in essence.
Those of ordinary skills all know, super-huge thin-wall bearing ferrule or refer to the outer ring of this bearing, or refer to the inner ring of this bearing, and the internal diameter of thin-walled outer ring has interior raceway groove, and the external diameter of thin-walled inner ring has outer raceway groove.
Hereinafter abbreviate the thin-walled outer ring as outer ring, abbreviate the thin-walled inner ring as inner ring, in order to avoid confusion of concepts.
For clearly demonstrating the present invention; Outer ring and undressed any the preceding end face of inner ring are customized for basic I end face temporarily and its another end face is customized for basic II end face temporarily; The used lathe of processing method is the M74100 surface grinding machine; Processing method relates to several plane cushion blocks, and the physical dimension of several plane cushion blocks is in full accord and make it have the height of grade through grinding processing, and processing method also relates to the pad that several Aided Machine anchor clamps and thickness do not wait.
Processing method of the present invention is following:
With the outer ring or the said basic I end face of inner ring lies on the electromagnetic worktable of M74100 surface grinding machine; Between said basic I end face and electromagnetic worktable, put into several plane cushion blocks; Each plane cushion block is by outer ring or the even disposition interval of the circumferencial direction of inner ring; At the other Aided Machine anchor clamps that all dispose of each plane cushion block; All Aided Machine anchor clamps all are in the said interior raceway groove end of outer ring, or all are in the said outer raceway groove end of inner ring, and all Aided Machine anchor clamps all are fixed on the said electromagnetic worktable.
Through the plane cushion block be added in the horizontal level that pad on the cushion block of plane comes the said basic II end face of centering; Though this mode does not have special feature; But this mode has guaranteed that the suffered chucking power of outer ring or inner ring is even; Cause that neither outer ring or inner ring produce axial deformation, avoided outer ring or inner ring to produce radial deformation again.
Next is stuck in said interior raceway groove through several Aided Machine anchor clamps or said outer raceway groove makes outer ring or inner ring be able to be fixed on the said electromagnetic worktable; Said electromagnetic worktable can not be switched on and can not be in the state of magnetizing; Come rough to process said basic II end face through the M74100 surface grinding machine; And being labeled as non-datum end face to said basic II end face, the flatness error after the said basic II end face rough processing should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule.
Said basic II end face is turned several plane cushion blocks that lie in even disposition interval; Because each plane cushion block is etc. high after grinding check; So outer ring or inner ring are fixed on the said electromagnetic worktable once more through several Aided Machine anchor clamps; Said electromagnetic worktable can not be switched on and can not be in the state of magnetizing at this moment; Come fine grinding to cut the said basic I end face of processing through M74100 surface grinding machine multi-pass; And being labeled as datum end face to said basic I end face, the Geometrical Tolerance Principle that flatness error after the processing should meet super-huge thin-wall bearing ferrule is cut in the fine grinding of said basic I end face, so far accomplishes the non-datum end face grinding and the datum end face grinding of outer ring or inner ring.
Said electromagnetic worktable can not be switched on and can not be in the state of magnetizing, and has just fundamentally guaranteed that outer ring or inner ring can not produce axial deformation.If said electromagnetic worktable is in energising or be in the magnetic force skewness that produces under the state of magnetizing, all can be more or less to thin-walled outer ring or the certain axial deformation of thin-walled inner ring generation.
To sum up; Above-mentioned processing method has solved the problem that is produced in the background technology effectively, and the support through the plane cushion block and the chucking of Aided Machine anchor clamps and electromagnetic worktable no power and be not in the state of magnetizing make super-huge thin-wall bearing ferrule can not produce axial deformation; So the flatness error that is produced after datum end face and the non-datum end face grinding meets the processing request of follow-up each operation of super-huge thin-wall bearing ferrule; Processing method is simple and practical, and for super-huge thin-wall bearing ferrule provides good benchmark requirement, processing method general operation personnel of the present invention can operate enforcement simultaneously; Reduce the equipment input, saved investment.
Processing method of the present invention can be used on other large-scale grinding machine or the lathe equally.
Claims (1)
1. the processing method of a super-huge thin-wall bearing ferrule datum end face and non-datum end face, super-huge thin-wall bearing ferrule or refer to the outer ring of this bearing, or refer to the inner ring of this bearing; The internal diameter of outer ring has interior raceway groove; The external diameter of inner ring has outer raceway groove, and an end face with outer ring or inner ring before undressed is tentative for basic I end face is basic II end face with another end face is tentative, and the used lathe of processing method is the M74100 surface grinding machine; Processing method relates to several plane cushion blocks; The physical dimension of several plane cushion blocks is in full accord, and processing method also relates to the pad that several Aided Machine anchor clamps and thickness do not wait, and it is characterized in that:
With the outer ring or the said basic I end face of inner ring lies on the electromagnetic worktable of M74100 surface grinding machine; Between said basic I end face and electromagnetic worktable, put into several plane cushion blocks; Each plane cushion block is by outer ring or the even disposition interval of the circumferencial direction of inner ring; At the other Aided Machine anchor clamps that all dispose of each plane cushion block; All Aided Machine anchor clamps all are in the said interior raceway groove end of outer ring, or all are in the said outer raceway groove end of inner ring, and all Aided Machine anchor clamps all are fixed on the said electromagnetic worktable; Through the plane cushion block be added in the horizontal level that pad on the cushion block of plane comes the said basic II end face of centering; And through several Aided Machine anchor clamps be stuck in said in raceway groove or said outer raceway groove makes outer ring or inner ring be able to be fixed on the said electromagnetic worktable, said electromagnetic worktable can not be switched on and can not be in the state of magnetizing, and comes rough to process said basic II end face through the M74100 surface grinding machine; And being labeled as non-datum end face to said basic II end face, the flatness error after the said basic II end face rough processing should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule; Said basic II end face is turned several plane cushion blocks that lie in even disposition interval; Because each plane cushion block is etc. high after grinding check; So outer ring or inner ring are fixed on the said electromagnetic worktable once more through several Aided Machine anchor clamps; Said electromagnetic worktable can not be switched on and can not be in the state of magnetizing at this moment; Come fine grinding to cut the said basic I end face of processing through M74100 surface grinding machine multi-pass; And being labeled as datum end face to said basic I end face, the Geometrical Tolerance Principle that flatness error after the processing should meet super-huge thin-wall bearing ferrule is cut in the fine grinding of said basic I end face, so far accomplishes the non-datum end face grinding and the datum end face grinding of outer ring or inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210047684.1A CN102601697B (en) | 2012-02-28 | 2012-02-28 | Machining method for reference end face and non-reference end face of super-huge type thin-wall bearing ring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210047684.1A CN102601697B (en) | 2012-02-28 | 2012-02-28 | Machining method for reference end face and non-reference end face of super-huge type thin-wall bearing ring |
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| CN102601697A true CN102601697A (en) | 2012-07-25 |
| CN102601697B CN102601697B (en) | 2014-06-25 |
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| CN201210047684.1A Expired - Fee Related CN102601697B (en) | 2012-02-28 | 2012-02-28 | Machining method for reference end face and non-reference end face of super-huge type thin-wall bearing ring |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551956A (en) * | 2013-10-18 | 2014-02-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for machining bearing ring belonging to short shaft parts of aircraft engine |
| CN103639872A (en) * | 2013-11-25 | 2014-03-19 | 李东炬 | Universal grinding machine special for nuclear power bearing inner race machining |
| CN104400579A (en) * | 2014-11-15 | 2015-03-11 | 江阴吉爱倍万达精工有限公司 | Method for grinding end faces of thin-walled bearing rings |
| CN105479274A (en) * | 2015-11-20 | 2016-04-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining method for narrow molded surface of large cantilever thin-wall welding part |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551956A (en) * | 2013-10-18 | 2014-02-05 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for machining bearing ring belonging to short shaft parts of aircraft engine |
| CN103551956B (en) * | 2013-10-18 | 2016-08-17 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of processing method of bearing ring belonging to short shaft parts of aircraft engine |
| CN103639872A (en) * | 2013-11-25 | 2014-03-19 | 李东炬 | Universal grinding machine special for nuclear power bearing inner race machining |
| CN103639872B (en) * | 2013-11-25 | 2015-11-18 | 李东炬 | Nuclear power bearing inner race processing Special universal grinding machine |
| CN104400579A (en) * | 2014-11-15 | 2015-03-11 | 江阴吉爱倍万达精工有限公司 | Method for grinding end faces of thin-walled bearing rings |
| CN105479274A (en) * | 2015-11-20 | 2016-04-13 | 沈阳黎明航空发动机(集团)有限责任公司 | Machining method for narrow molded surface of large cantilever thin-wall welding part |
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| CN102601697B (en) | 2014-06-25 |
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Effective date of registration: 20180509 Address after: 471000 No. 1 axis research road, Jianxi science and Technology Industrial Park, Luoyang, Henan Patentee after: Luoyang Bearing Research Institute Address before: 471039 Fenghua Road 6, hi tech Development Zone, Luoyang, Henan. Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang |
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Granted publication date: 20140625 Termination date: 20210228 |