CN102601697B - 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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- CN102601697B CN102601697B CN201210047684.1A CN201210047684A CN102601697B CN 102601697 B CN102601697 B CN 102601697B CN 201210047684 A CN201210047684 A CN 201210047684A CN 102601697 B CN102601697 B CN 102601697B
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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
Technical field
The invention belongs to 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.
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 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, and the flatness error therefore producing after datum end face and non-datum end face grinding can directly have influence on the machining accuracy of follow-up each operation.
The Grinding Process of datum end face and non-datum end face is roughly as follows:
An end face of super-huge thin-wall bearing ferrule is lain on the electromagnetic worktable of M74100 surface grinding machine, be electrified and make electromagnetic worktable in the state of magnetizing, by an end face of the super-huge thin-wall bearing ferrule of magnetic-adsorption, another end face becomes non-datum end face by grinding, then power-off makes electromagnetic worktable in demagnetized state, again another end face is turned on the electromagnetic worktable that lies in M74100 surface grinding machine, be electrified again and make electromagnetic worktable in the state of magnetizing, by another end face of the super-huge thin-wall bearing ferrule of magnetic-adsorption, an end face becomes datum end face by grinding, datum end face grinding is complete to electromagnetic worktable power-off, and make respective markers at datum end face.
There are the following problems for above-mentioned technical process:
Twice magnetic-adsorption 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.
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 M74100 surface grinding machine, make super-huge thin-wall bearing ferrule not produce axial deformation by the support of plane cushion block and the clamping of Aided Machine fixture, therefore the flatness producing after datum end face and non-datum end face grinding meets the processing request of the follow-up each operation of super-huge thin-wall bearing ferrule, processing method is simple and practical.
For achieving the above object, 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, by outer ring or inner ring, an end face before undressed is fixed tentatively and another end face is fixed tentatively as base II end face for base I end face, processing method lathe used is M74100 surface grinding machine, processing method relates to several plane cushion blocks, the physical dimension of several plane cushion blocks is in full accord, processing method also relates to several Aided Machine fixtures and thickness pad not etc., processing method of the present invention is as follows:
Base I end face described in outer ring or inner ring is lain on the electromagnetic worktable of M74100 surface grinding machine, between described base 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 fixture that disposes of each plane cushion block, all Aided Machine fixtures are the described interior raceway groove end in outer ring all, or equal described outer raceway groove end in inner ring, all Aided Machine fixtures are all fixed on described electromagnetic worktable, by plane cushion block be added in pad on plane cushion block and come the horizontal level of base II end face described in centering, and be stuck in described interior raceway groove or described outer raceway groove is fixed on described electromagnetic worktable outer ring or inner ring by several Aided Machine fixtures, described electromagnetic worktable can not be switched on and can not be in the state of magnetizing, roughly grind and cut the described base II end face of processing by M74100 surface grinding machine, and described base II end face is labeled as to non-datum end face, flatness error after the thick grinding of described base II end face should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule, described base II end face is turned to the several plane cushion blocks that lie in even disposition interval, because each plane cushion block is contour after grinding inspection, so outer ring or inner ring are fixed on described electromagnetic worktable again by several Aided Machine fixtures, now described electromagnetic worktable can not be switched on and can not be in the state of magnetizing, carry out fine grinding by M74100 surface grinding machine multi-pass and cut the described base I end face of processing, and described base I end face is labeled as to datum end face, flatness error after the thin grinding of described base I end face should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule, so far complete non-datum end face grinding and the datum end face grinding of outer ring or inner ring.
Owing to adopting technical scheme described above, the present invention has following superiority:
1, the present invention has solved the problem producing in background technology effectively, by the support of plane cushion block and the clamping of Aided Machine fixture and electromagnetic worktable no power and not in the state of magnetizing, make super-huge thin-wall bearing ferrule can not produce axial deformation, therefore the flatness error producing after datum end face and non-datum end face grinding meets the processing request of the 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 fixture, can avoid super-huge thin-wall bearing ferrule to produce axial deformation.
4, Aided Machine fixture nose end configuration in super-huge thin-wall bearing ferrule, plane cushion block evenly configures 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, for the grinding of super-huge thin-wall bearing ferrule datum end face and non-datum end face provides a kind of New methods in working, has reduced equipment investment, has saved investment.
Detailed description of the invention
About the Its Relevant Technology Standards 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, is called super-huge thin-wall bearing ferrule for ultralight, the special thin bearing ring of outside dimension > 440mm.
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 that this processing method and background technology are introduced is not only related but also exist difference in essence.
Those of ordinary skill in the art 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 by thin-walled outer ring referred to as outer ring, by thin-walled inner ring referred to as inner ring, in order to avoid confusion of concepts.
For clearly demonstrating the present invention, outer ring and undressed any the front end face of inner ring are customized for temporarily to base I end face and its another end face is customized for to base II end face temporarily, processing method lathe used is 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 make it have contourly through grinding, and processing method also relates to several Aided Machine fixtures and thickness pad not etc.
Processing method of the present invention is as follows:
Base I end face described in outer ring or inner ring is lain on the electromagnetic worktable of M74100 surface grinding machine, between described base 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 fixture that disposes of each plane cushion block, all Aided Machine fixtures are the described interior raceway groove end in outer ring all, or equal described outer raceway groove ends in inner ring, all Aided Machine fixtures are all fixed on described electromagnetic worktable.
By plane cushion block be added in pad on plane cushion block and come the horizontal level of base II end face described in centering, although this mode does not have special feature, but this mode has ensured outer ring or the suffered chucking power of inner ring is even, neither cause that outer ring or inner ring produce axial deformation, avoided again outer ring or inner ring to produce radial deformation.
Next is stuck in described interior raceway groove by several Aided Machine fixtures or described outer raceway groove is fixed on described electromagnetic worktable outer ring or inner ring, described electromagnetic worktable can not be switched on and can not be in the state of magnetizing, roughly grind and cut the described base II end face of processing by M74100 surface grinding machine, and described base II end face is labeled as to non-datum end face, the flatness error after the thick grinding of described base II end face should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule.
Described base II end face is turned to the several plane cushion blocks that lie in even disposition interval, because each plane cushion block is contour after grinding inspection, so outer ring or inner ring are fixed on described electromagnetic worktable again by several Aided Machine fixtures, now described electromagnetic worktable can not be switched on and can not be in the state of magnetizing, carry out fine grinding by M74100 surface grinding machine multi-pass and cut the described base I end face of processing, and described base I end face is labeled as to datum end face, flatness error after the thin grinding of described base I end face should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule, so far complete non-datum end face grinding and the datum end face grinding of outer ring or inner ring.
Described electromagnetic worktable can not be switched on and can not, in the state of magnetizing, just fundamentally have been ensured that outer ring or inner ring can not produce axial deformation.If described electromagnetic worktable is at energising or the magnetic force skewness that produces under the state of magnetizing, all can be more or less to thin-walled outer ring or thin-walled inner ring produces certain axial deformation.
To sum up, above-mentioned processing method has solved the problem producing in background technology effectively, by the support of plane cushion block and the clamping of Aided Machine fixture and electromagnetic worktable no power and not in the state of magnetizing, make super-huge thin-wall bearing ferrule can not produce axial deformation, therefore the flatness error producing after datum end face and non-datum end face grinding meets the processing request of the 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, processing method general operation personnel of the present invention can operate enforcement simultaneously, reduce equipment investment, save investment.
Processing method of the present invention can be used on other large-scale grinding machine or 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, by outer ring or inner ring, an end face before undressed is fixed tentatively and another end face is fixed tentatively as base II end face for base I end face, processing method lathe used is M74100 surface grinding machine, processing method relates to several plane cushion blocks, the physical dimension of several plane cushion blocks is in full accord, processing method also relates to several Aided Machine fixtures and thickness pad not etc., it is characterized in that:
Base I end face described in outer ring or inner ring is lain on the electromagnetic worktable of M74100 surface grinding machine, between described base 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 fixture that disposes of each plane cushion block, all Aided Machine fixtures are the described interior raceway groove end in outer ring all, or equal described outer raceway groove end in inner ring, all Aided Machine fixtures are all fixed on described electromagnetic worktable, by plane cushion block be added in pad on plane cushion block and come the horizontal level of base II end face described in centering, and be stuck in described interior raceway groove or described outer raceway groove is fixed on described electromagnetic worktable outer ring or inner ring by several Aided Machine fixtures, described electromagnetic worktable can not be switched on and can not be in the state of magnetizing, roughly grind and cut the described base II end face of processing by M74100 surface grinding machine, and described base II end face is labeled as to non-datum end face, flatness error after the thick grinding of described base II end face should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule, described base II end face is turned to the several plane cushion blocks that lie in even disposition interval, because each plane cushion block is contour after grinding inspection, so outer ring or inner ring are fixed on described electromagnetic worktable again by several Aided Machine fixtures, now described electromagnetic worktable can not be switched on and can not be in the state of magnetizing, carry out fine grinding by M74100 surface grinding machine multi-pass and cut the described base I end face of processing, and described base I end face is labeled as to datum end face, flatness error after the thin grinding of described base I end face should meet the Geometrical Tolerance Principle of super-huge thin-wall bearing ferrule, so far complete 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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| Publication Number | Publication Date |
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| CN102601697A CN102601697A (en) | 2012-07-25 |
| CN102601697B true 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2700047Y (en) * | 2004-04-30 | 2005-05-18 | 洛阳轴承集团有限公司 | Auxiliary grinding tool for large scale high precision sheet bearing ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005048881A (en) * | 2003-07-29 | 2005-02-24 | Nsk Ltd | Manufacturing method of raceway ring of combination bearing, single row bearing and multi-row bearing, and combination bearing, single row bearing and multi-row bearing |
| JP4308728B2 (en) * | 2004-07-26 | 2009-08-05 | 株式会社岡本工作機械製作所 | Bearing grinding method |
| CN201799870U (en) * | 2010-08-05 | 2011-04-20 | 浠水神州轴承制造有限公司 | Bearing outer ring tooling clamp |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2700047Y (en) * | 2004-04-30 | 2005-05-18 | 洛阳轴承集团有限公司 | Auxiliary grinding tool for large scale high precision sheet bearing ring |
Non-Patent Citations (2)
| Title |
|---|
| M7475B终磨大型精密轴承套圈平面的工艺改进;刘新红;《哈尔滨轴承》;20091215;第30卷(第4期);第13-14、20页 * |
| 刘新红.M7475B终磨大型精密轴承套圈平面的工艺改进.《哈尔滨轴承》.2009,第30卷(第4期),第13-14、20页. |
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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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140625 Termination date: 20210228 |