CN101722457A - Double-channel grinding method of double-row ball bearing - Google Patents
Double-channel grinding method of double-row ball bearing Download PDFInfo
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- CN101722457A CN101722457A CN200810121704A CN200810121704A CN101722457A CN 101722457 A CN101722457 A CN 101722457A CN 200810121704 A CN200810121704 A CN 200810121704A CN 200810121704 A CN200810121704 A CN 200810121704A CN 101722457 A CN101722457 A CN 101722457A
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Abstract
The invention relates to a double-channel grinding method of a double-row ball bearing. The method is characterized in that a centerless clamp is adjusted, wherein an axial positioning support of the centerless clamp is ground by using an equipment self-grinding mode, and the end face runout of the axial positioning support is controlled within 2 micrometers; the angle alpha of an equipment workpiece frame is adjusted according to the requirements of the sizes of a ground loop, comprising the diameters of channels De/di, the positions of the channels a/b, the channel spacing a1/b1 and the curvature radiuses of the channels Re/Ri, and the angle adjustment range is between 0 degrees and 25 degrees; a control cabinet of a CNC digital control system is used for controlling the shape of a single-point trimming grinding wheel of an arc trimmer; the positioning surface of the ground loop is fixed on the centerless clamp, and the control cabinet of the CNC digital control system is adopted to control the feed travels of an equipment workpiece X axis and a grinding wheel grinding frame Z axis meanwhile; after locking, a rotating type electric main shaft and a rotating equipment workpiece main shaft drive the ground loop so as to ensure that the grinding wheel enters a first row of channels to be ground; and after the grinding of the first row of channels is finished, the grinding wheel is fed into the second row of channels through the CNC digital control system and locked to grind the second row of channels.
Description
(1) technical field
The present invention relates to a kind of double-channel grinding method of double-row ball bearing, be applicable to the double channel grinding of double-row angular contact bal bearing outer ring, biserial deep groove ball bearing Internal and external cycle and automobile third-generation hub bearing inner race and flange shaft assembly.Belong to field of machining.
(2) background technology
The mill crudy of two-row ball bearing double channel is one of major event index of examination two-row ball bearing product quality, directly influence the play size and the trap rate of two-row ball bearing, influence the product quality and the working (machining) efficiency of two-row ball bearing, and the trap rate that how can correctly, effectively control the play of two-row ball bearing and improve product is current many Production of bearing enterprise's long-term existence and fail one of technical barrier that effectively solves.Want head it off, crucial also the need guarantees on the grinding technique of two-row ball bearing double channel, present all multiple enterprises are not grasped its technology or are adopted the typing grinding of two ditches to this, part enterprise configuration forming tool carries out grinding, but different bearings is different because of the radius of curvature and the distance between two ditches of raceway groove, need the different forming tool of configuration, the production cost height, working (machining) efficiency is low or two ditches of bearing ring are adopted turn around twice grinding or separately grinding, inconsistent and mismachining tolerance because of the bearing ring width dimensions, cause the distance between bearing two ditches discrete bigger, the trap rate is lower, reworks are more, and the bearing products difficult quality control effectively, and are unfavorable to reliability and security that bearing uses.
(3) summary of the invention
Technical problem to be solved by this invention is to provide a kind of simple, efficient, stable double-channel grinding method of double-row ball bearing, and the two-row ball bearing quality of processing is good, trap rate height, productivity effect height.
A kind of double-channel grinding method of double-row ball bearing is characterized in that: adjust centerless fixture, the supporting of the axial location of centerless fixture is carried out grinding with the mode of equipment autogenous grinding, and Control Shaft to the end face run-out of positioning support in 2 μ m; According to the size that is ground lasso---raceway diameter De/di and ditch position a/b, ditch spacing a1/b1, the requirement of the radius of curvature R e/Ri of raceway groove; Adjust the angle [alpha] of equipment work-piece frame, the angle adjustment scope is used CNC digital control system switch board again between 0 ° to 25 °, the shape of control grinding wheel arc dresser single-point finishing emery wheel; The locating surface that will be ground lasso again is fixed on the centerless fixture, and employing CNC digital control system switch board, control appliance work rest X-axis and emery wheel grind the feed distance of frame Z axle simultaneously, after the locking, rotary electric main shaft and slewing work spindle drive and are ground lasso, make emery wheel enter the first row raceway groove and carry out grinding; After the first row raceway groove grinding is finished,, emery wheel is fed into the secondary series raceway groove by the CNC digital control system, and locking, grinding secondary series raceway groove.
The beneficial effect of double-channel grinding method of double-row ball bearing of the present invention is: described double-channel grinding method of double-row ball bearing, used cleverly with the same plane of product as grinding as benchmark, be implemented in the two ditches of mill in the homogeneous clamping, easy and simple to handle, grasp easily, equipment cost is low, the product processed quality is good, product trap rate height, high efficiency.Applied widely, the radius of curvature of different channel dimensions, different raceway grooves, different two ditch pitch axis bearing rings etc. all can be processed.
(4) description of drawings
Fig. 1 is the structural representation of two-row ball bearing of the present invention outer ring channel grinding method of double.
Fig. 2 is the structural representation of two-row ball bearing automobile third-generation hub bearing inner race of the present invention and flange shaft assembly channel grinding method of double.
Among the figure, the 1-centerless fixture; The 2-grinding wheel arc dresser; The 3-emery wheel; 4-is ground the double channel lasso; 5-equipment work-piece main shaft; The just rotatable electric main shaft of 6-; 7-CNC digital control system switch board; The moving direction of X-axis---work rest; Z axle---the moving direction of emery wheel mill frame.
(5) specific embodiment
The invention will be further described below in conjunction with embodiment, but protection scope of the present invention is not limited to this.
With reference to the method for grinding raceway of inner ring of angular contact ball hub bearing of automobile of Fig. 1, present embodiment, comprise centerless fixture 1, grinding wheel arc dresser 2, emery wheel 3, be ground double channel lasso 4, equipment work-piece frame 5, electric main shaft 6 and switch board 7.
Described centerless fixture is made up of axial location supporting and 2 radial supports.The end face run-out of axial location supporting is controlled in the 2 μ m.
Describedly be ground mill processing and automobile third-generation hub bearing inner race and the flange shaft assembly that the double channel lasso is double-row angular contact bal bearing outer ring, biserial deep groove ball bearing Internal and external cycle double channel.And during the double channel lasso that is ground mill double channel is same datum level, with a clamping.
Described electric main shaft is just rotatable electric main shaft.
Described switch board is the switch board of CNC digital control system.
Workflow of the present invention is: adjust centerless fixture 1, the supporting of the axial location of centerless fixture is carried out grinding with the mode of equipment autogenous grinding, and Control Shaft to the end face run-out of positioning support in 2 μ m.According to the size that is ground lasso 4---raceway diameter De/di and ditch position a/b, ditch spacing a1/b1, the requirement of the radius of curvature R e/Ri of raceway groove.Adjust the angle [alpha] of equipment work-piece frame 5, the angle adjustment scope is used CNC digital control system switch board 7 again between 0 ° to 25 °, the shape of control grinding wheel arc dresser 2 single-point finishing emery wheels 3.The locating surface that will be ground lasso 4 again is fixed on the centerless fixture 1, and employing CNC digital control system switch board 7, control appliance work rest X-axis and emery wheel grind the feed distance of frame Z axle simultaneously, after the locking, rotary electric main shaft 6 and slewing work spindle 5 drive and are ground lasso 4, make emery wheel 3 enter the first row raceway groove and carry out grinding.After the first row raceway groove grinding is finished,, emery wheel is fed into the secondary series raceway groove by the CNC digital control system, and locking, grinding secondary series raceway groove.This method for grinding according to be ground inner ring 4 size---the measurement result of the radius of curvature R i of raceway diameter di and position b, raceway groove is adjusted by CNC digital control system switch board 7, be applicable to single-piece, small lot and the grinding in batches of the double channel of double-row angular contact bal bearing outer ring, biserial deep groove ball bearing Internal and external cycle and automobile third-generation hub bearing inner race and flange shaft assembly.
Claims (2)
1. double-channel grinding method of double-row ball bearing is characterized in that: adjust centerless fixture, the axial location supporting of centerless fixture is carried out grinding with the mode of equipment autogenous grinding, and Control Shaft to the end face run-out of positioning support in 2 μ m; According to the size that is ground lasso---raceway diameter De/di and ditch position a/b, ditch spacing a1/b1, the requirement of the radius of curvature R e/Ri of raceway groove; Adjust the angle [alpha] of equipment work-piece frame, the angle adjustment scope is used CNC digital control system switch board again between 0 ° to 25 °, the shape of control grinding wheel arc dresser single-point finishing emery wheel; The locating surface that will be ground lasso again is fixed on the centerless fixture, and employing CNC digital control system switch board, while control appliance work rest X-axis and emery wheel, the feed distance of mill frame Z axle, after the locking, rotary electric main shaft and slewing work spindle drive and are ground lasso, make emery wheel enter the first row raceway groove and carry out grinding; After the first row raceway groove grinding is finished,, emery wheel is fed into the secondary series raceway groove by the CNC digital control system, and locking, grinding secondary series raceway groove.
2. double-channel grinding method of double-row ball bearing as claimed in claim 1, its feature are at hand: be applicable to the grinding of the double channel of double-row angular contact bal bearing outer ring, biserial deep groove ball bearing Internal and external cycle and automobile third-generation hub bearing inner race and flange shaft assembly.And with same datum level, carrying out when being ground lasso mill double channel with in a clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810121704.9A CN101722457B (en) | 2008-10-23 | 2008-10-23 | Double-channel grinding method of double-row ball bearing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810121704.9A CN101722457B (en) | 2008-10-23 | 2008-10-23 | Double-channel grinding method of double-row ball bearing |
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| CN101722457A true CN101722457A (en) | 2010-06-09 |
| CN101722457B CN101722457B (en) | 2014-06-04 |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102059624A (en) * | 2010-07-18 | 2011-05-18 | 青岛理工大学 | Bearing raceway controllable grinding equipment and grinding process |
| CN102430965A (en) * | 2011-10-11 | 2012-05-02 | 洛阳Lyc轴承有限公司 | Method for grinding and positioning inner ring of third-generation wheel hub bearing |
| CN103231290A (en) * | 2013-04-26 | 2013-08-07 | 宁波市镇海银球轴承有限公司 | Technology for machining roller bearing outer ring for drafting system of textile machine |
| CN103302576A (en) * | 2013-07-09 | 2013-09-18 | 洛阳精密机床有限公司 | Third-generation grinding method for inner flange of automotive hub ball bearing |
| CN103302575A (en) * | 2013-07-09 | 2013-09-18 | 洛阳精密机床有限公司 | Third-generation grinding method for outer flange of automotive hub ball bearing |
| CN103506897A (en) * | 2012-06-21 | 2014-01-15 | 襄阳汽车轴承股份有限公司 | Electromagnetism centerless clamp for bearing inner-outer circle ball mounting notch one-time clamping grinding |
| CN103692302A (en) * | 2013-12-23 | 2014-04-02 | 河南金鑫精密轴承制造有限公司 | Precision angular contact ball bearing excircle grinding process |
| CN103962914A (en) * | 2014-04-21 | 2014-08-06 | 浙江石轴数控设备有限公司 | Spherical roller bearing inner ring raceway grinder device and method thereof |
| CN104385086A (en) * | 2014-09-29 | 2015-03-04 | 洛阳轴研科技股份有限公司 | Grinding device and grinding method for grinding double trenches of mandrel |
| CN104526502A (en) * | 2014-12-23 | 2015-04-22 | 展彩娜 | Continuous automatic multi-grinding-head plate cambered surface slotting device |
| TWI491820B (en) * | 2013-02-06 | 2015-07-11 | Tbi Motion Technology Co Ltd | Method for manufacturing ball screw device and grinding assembl thereof |
| TWI495811B (en) * | 2013-02-06 | 2015-08-11 | Tbi Motion Technology Co Ltd | Method for manufacturing ball screw device and grinding assembly thereof |
| CN108081079A (en) * | 2016-06-07 | 2018-05-29 | 嘉兴福可吉精密机械有限公司 | The inner ring grinding attachment of hub bearing |
| CN108500787A (en) * | 2018-02-10 | 2018-09-07 | 杭州博恩机械有限公司 | High-precision automobile hub bearing grinds outer diameter processing method |
| CN108789045A (en) * | 2018-05-22 | 2018-11-13 | 西北轴承有限公司 | A kind of double roller path machining methods of cylinder roller bearing |
| CN109333255A (en) * | 2018-11-27 | 2019-02-15 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Self-aligning thrust roller bearing abrasive grinding wheel |
| CN114770380A (en) * | 2022-04-21 | 2022-07-22 | 洛阳轴承研究所有限公司 | Bearing machining control method and method for determining grinding wheel feeding amount |
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| CN1270872C (en) * | 2003-04-09 | 2006-08-23 | 上海莱必泰机械发展有限公司 | One-step fixture-mounted grinding process of double rolling groove of bearing outer ring for railway wagon |
| JP4211718B2 (en) * | 2004-09-29 | 2009-01-21 | 株式会社ジェイテクト | Machining method of raceway surface of outer ring of double row angular contact ball bearing |
| CN200967162Y (en) * | 2006-07-27 | 2007-10-31 | 濮阳贝英数控机械设备有限公司 | Roller bearing inner ring tray convexity abrading equipment |
| CN200970704Y (en) * | 2006-07-27 | 2007-11-07 | 濮阳贝英数控机械设备有限公司 | Grinder for automobile hub bearing external ring double rolling way convexity |
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Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102059624A (en) * | 2010-07-18 | 2011-05-18 | 青岛理工大学 | Bearing raceway controllable grinding equipment and grinding process |
| CN102430965A (en) * | 2011-10-11 | 2012-05-02 | 洛阳Lyc轴承有限公司 | Method for grinding and positioning inner ring of third-generation wheel hub bearing |
| CN103506897A (en) * | 2012-06-21 | 2014-01-15 | 襄阳汽车轴承股份有限公司 | Electromagnetism centerless clamp for bearing inner-outer circle ball mounting notch one-time clamping grinding |
| CN103506897B (en) * | 2012-06-21 | 2016-05-25 | 襄阳汽车轴承股份有限公司 | The bearing enclose filling slot grinding electric magnetic no-core jig that is once installed |
| TWI495811B (en) * | 2013-02-06 | 2015-08-11 | Tbi Motion Technology Co Ltd | Method for manufacturing ball screw device and grinding assembly thereof |
| TWI491820B (en) * | 2013-02-06 | 2015-07-11 | Tbi Motion Technology Co Ltd | Method for manufacturing ball screw device and grinding assembl thereof |
| CN103231290A (en) * | 2013-04-26 | 2013-08-07 | 宁波市镇海银球轴承有限公司 | Technology for machining roller bearing outer ring for drafting system of textile machine |
| CN103302576A (en) * | 2013-07-09 | 2013-09-18 | 洛阳精密机床有限公司 | Third-generation grinding method for inner flange of automotive hub ball bearing |
| CN103302575A (en) * | 2013-07-09 | 2013-09-18 | 洛阳精密机床有限公司 | Third-generation grinding method for outer flange of automotive hub ball bearing |
| CN103302575B (en) * | 2013-07-09 | 2015-12-23 | 洛阳精密机床有限公司 | Third generation automotive hub ball bearing outward flange method for grinding |
| CN103302576B (en) * | 2013-07-09 | 2015-12-23 | 洛阳精密机床有限公司 | Third generation automotive hub ball bearing inner flange method for grinding |
| CN103692302A (en) * | 2013-12-23 | 2014-04-02 | 河南金鑫精密轴承制造有限公司 | Precision angular contact ball bearing excircle grinding process |
| CN103692302B (en) * | 2013-12-23 | 2016-05-11 | 河南金鑫精密轴承制造有限公司 | Precision corner contact ball bearing peripheral milling processing technology |
| CN103962914B (en) * | 2014-04-21 | 2016-05-18 | 浙江石轴数控设备有限公司 | A kind of spheric roller bearing ball track grinding machine of inner circle devices and methods therefor |
| CN103962914A (en) * | 2014-04-21 | 2014-08-06 | 浙江石轴数控设备有限公司 | Spherical roller bearing inner ring raceway grinder device and method thereof |
| CN104385086A (en) * | 2014-09-29 | 2015-03-04 | 洛阳轴研科技股份有限公司 | Grinding device and grinding method for grinding double trenches of mandrel |
| CN104526502A (en) * | 2014-12-23 | 2015-04-22 | 展彩娜 | Continuous automatic multi-grinding-head plate cambered surface slotting device |
| CN104526502B (en) * | 2014-12-23 | 2016-09-14 | 南通东海机床制造集团有限公司 | Many grinding head boards automatic arch groove fluting apparatus continuously |
| CN108081079A (en) * | 2016-06-07 | 2018-05-29 | 嘉兴福可吉精密机械有限公司 | The inner ring grinding attachment of hub bearing |
| CN108081079B (en) * | 2016-06-07 | 2019-05-07 | 嘉兴福可吉精密机械有限公司 | The inner ring grinding attachment of hub bearing |
| CN108500787A (en) * | 2018-02-10 | 2018-09-07 | 杭州博恩机械有限公司 | High-precision automobile hub bearing grinds outer diameter processing method |
| CN108789045A (en) * | 2018-05-22 | 2018-11-13 | 西北轴承有限公司 | A kind of double roller path machining methods of cylinder roller bearing |
| CN109333255A (en) * | 2018-11-27 | 2019-02-15 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Self-aligning thrust roller bearing abrasive grinding wheel |
| CN114770380A (en) * | 2022-04-21 | 2022-07-22 | 洛阳轴承研究所有限公司 | Bearing machining control method and method for determining grinding wheel feeding amount |
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Address after: The 311231 road Qiaonan area in Zhejiang province Hangzhou Xiaoshan economic and Technological Development Zone No. 89 Patentee after: The energy-conservation Science and Technology Co., Ltd. of Hangzhou Lei Dike Address before: The 311200 road Qiaonan area in Zhejiang province of Hangzhou economic and Technological Development Zone No. 89 Patentee before: The energy-conservation Science and Technology Co., Ltd. of Hangzhou Lei Dike |