CN104162766A - Production technology of high-precision deep groove ball bearing - Google Patents
Production technology of high-precision deep groove ball bearing Download PDFInfo
- Publication number
- CN104162766A CN104162766A CN201410334349.9A CN201410334349A CN104162766A CN 104162766 A CN104162766 A CN 104162766A CN 201410334349 A CN201410334349 A CN 201410334349A CN 104162766 A CN104162766 A CN 104162766A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention provides a production technology of a high-precision deep groove ball bearing. The production technology includes the steps of (1) ferrule (inner ring and outer ring) machining, (2) rolling body machining, (3) cage machining and (4) assembling. The ferrule (inner ring and outer ring) machining procedure includes the steps of blanking, annealing treatment on blanks, turning, thermal treatment and grinding, wherein in the turning step, the blanks are basically machined and formed. The rolling body machining procedure includes the steps that forging forming is conducted on 9Cr18Mo stainless steel blanks; carburizing treatment is conducted; grinding is conducted; polishing and inspection are conducted. The cage machining procedure includes the steps of workpiece turning, drilling, lubrication hole machining, surface treatment, washing and rust prevention. The assembling procedure includes the steps that a heated bearing outer ring and a cage are placed on assembling equipment, and a rolling body is pressed into a pocket in the cage; a heated bearing inner ring is placed at the corresponding position of the assembly equipment, and the inner ring is pressed slightly to enable the rolling body to be pressed into a groove of the outer ring; the outer ring is taken down, and assembly of the whole bearing is completed. Through the production technology, the precision of the deep groove ball bearing is improved.
Description
Technical field
The present invention relates to machine-building processing technique field, particularly a kind of production technology that is applied to the high accuracy deep groove ball bearing under high-speed and low-noise operating condition.
Background technology
Along with scientific and technological development, some precision optical machineries and high-grade household electrical appliance vibration and the noise to deep groove ball bearing proposed more strict requirement, and these products not only require the bearing can be at a high speed, and require the vibration of bearing low, tonequality is good, is applicable to high-speed and low-noise occasion.
Deep groove ball bearing is made up of Internal and external cycle (abbreviation lasso), rolling element and retainer.Want to ensure that deep groove ball bearing is applicable to high-speed and low-noise occasion, need to ensure the high accuracy of the each assembly manufacturing process of deep-groove ball.In the time of bearing working, bearing inner race is along with power transmission shaft moves together, and bearing inner race drives rolling element running.In the time that rotating speed of transmission shaft is very high, the speed of rolling element also improves thereupon, and the friction producing between rolling element and raceway is also along with increase, and excessive frictional force can make bearing life reduce, and produces huge noise, affects machine work.
The production technology more complicated of current deep groove ball bearing, and the accuracy of manufacture also often can not meet actual working condition requirement.Application number is the production technology of having announced a kind of high accuracy roller bearing in CN201110159671.9.It is taking roller bearing as research object, set forth a kind of production technology, its deficiency is to fail to emphasize importance and the concrete manufacturing procedure of most important raceway groove manufacturing procedure in Production of bearing, and the manufacturing procedure introduction to rolling element is few, possibly cannot be used for the occasion stricter to noise requirement.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of production technology that is applied to the high accuracy deep groove ball bearing under high-speed and low-noise operating condition.For solving the requirement to bearing high precision performance under high-speed and low-noise condition.
For achieving the above object, the invention provides following technical scheme: a kind of production technology of high accuracy deep groove ball bearing, assembled by inner ring, outer ring, rolling element and retainer, it is characterized in that, comprise following processing step:
(1) lasso (inner ring and outer ring) manufacturing procedure: blanking; Blank is carried out to annealing in process; Vehicle Processing, shapes blank substantially; Heat treatment; Grinding;
(2) manufacturing procedure of rolling element: 9Cr18Mo stainless steel blank forging is shaped; Carry out Carburization Treatment; Grind; Polishing inspection;
(3) manufacturing procedure of retainer: Vehicle Processing workpiece; Boring; Processing and lubrication hole; Surface treatment; Cleaning rust-proof processing;
(4) assembling: place the bearing outer ring and the retainer that have heated on mounting equipment, rolling element is pressed into pocket hole in retainer; Bearing inner race after heating is placed on to mounting equipment relevant position, presses down slightly inner ring, rolling element is pressed in the raceway groove of Internal and external cycle; Take down outer ring, whole bearing assemble is complete.
Preferably, in described step (1), the annealing in process temperature of blank is controlled to 500 DEG C ~ 650 DEG C, preferably temperature is 600 DEG C; Heat treatment process is Quenching Treatment, and temperature is controlled at 600 DEG C ~ 650 DEG C, and preferably temperature is 620 DEG C; Carry out cold treatment, temperature is controlled at-60 DEG C ~-80 DEG C again, and preferably temperature is-70 DEG C; Finally carry out lonneal processing, temperature is controlled at 150 DEG C ~ 250 DEG C, and preferably temperature is 200 DEG C.
Preferably, in described step (1), be to lasso both ends of the surface to the concrete operation of the grinding of lasso, inside and outside circle side face, hole and raceway groove slightly refine; Again ring raceways is slightly ground half lappingout, lappingout and fine abrasive.
Preferably, in described step (2), the forging temperature of 9Cr18Mo stainless steel blank is controlled to 1300 DEG C ~ 1400 DEG C, preferably temperature is 1350 DEG C.
Preferably, rolling element polishing inspection process in described step (2), be less than 0.07 micron through the final sphericity of inspection rolling element, and surface roughness is less than 0.007 micron.
Adopt the beneficial effect of above technical scheme to be: the deep groove ball bearing that the present invention produces is made up of lasso (inner ring and outer ring), retainer and rolling element.The manufacturing procedure of the lasso (inner ring and outer ring) that the present invention mentions, is wherein controlled at 500 DEG C ~ 650 DEG C to lasso annealing in process temperature, and preferably temperature is 600 DEG C; Annealing operation is conducive to eliminate the internal stress of blank, is convenient to follow-up machining; Heat treatment process is Quenching Treatment, and temperature is controlled at 600 DEG C ~ 650 DEG C, and preferably temperature is 620 DEG C; Carry out cold treatment, temperature is controlled at-60 DEG C ~-80 DEG C again, and preferably temperature is-70 DEG C; Finally carry out lonneal processing, temperature is controlled at 150 DEG C ~ 250 DEG C, and preferably temperature is 200 DEG C; Heat treatment step is conducive to eliminate the internal stress of lasso in machining, and can strengthen lasso hardness, reinforcing material performance.In the lasso manufacturing procedure that the present invention mentions, be to lasso both ends of the surface to the concrete operation of the grinding of lasso, inside and outside circle side face, hole and raceway groove slightly refine; Again ring raceways is slightly ground half lappingout, lappingout and fine abrasive; Grinding process is conducive to reduce the surface roughness of lasso, improves collar precision, thereby extends the service life of bearing.The manufacturing procedure of the 9Cr18Mo stainless steel rolling element that the present invention mentions, wherein, to the forging of 9Cr18Mo stainless steel blank, temperature is controlled at 1300 DEG C ~ 1400 DEG C, and preferably temperature is 1350 DEG C, forging process is conducive to eliminate the internal stress of blank, improves material property; 9Cr18Mo stainless steel blank carried out to polishing inspection process, be less than 0.07 micron through the final sphericity of inspection rolling element, surface roughness is less than 0.007 micron, and this operation is conducive to ensure the precision of rolling element, thereby in the service life of improving bearing, reach high-precision requirement.
Detailed description of the invention
The invention provides a kind of detailed description of the invention of production technology of high accuracy deep groove ball bearing:
A production technology for high accuracy deep groove ball bearing, its processing step is as follows:
(1) lasso (inner ring and outer ring) manufacturing procedure: blanking; Blank is carried out to annealing in process, and temperature is controlled at 500 DEG C ~ 650 DEG C, and preferably temperature is 600 DEG C; Vehicle Processing, shapes blank substantially; Heat treatment: heat treatment process is Quenching Treatment, temperature is controlled at 600 DEG C ~ 650 DEG C, and preferably temperature is 620 DEG C; Carry out cold treatment, temperature is controlled at-60 DEG C ~-80 DEG C again, and preferably temperature is-70 DEG C; Finally carry out lonneal processing, temperature is controlled at 150 DEG C ~ 250 DEG C, and preferably temperature is 200 DEG C; Grinding: to lasso both ends of the surface, inside and outside circle side face, hole and raceway groove slightly refine; Again ring raceways is slightly ground half lappingout, lappingout and fine abrasive.
(2) manufacturing procedure of rolling element: 9Cr18Mo stainless steel blank forging is shaped, and forging temperature is controlled at 1300 DEG C ~ 1400 DEG C, preferably temperature is 1350 DEG C; Carry out Carburization Treatment; Grind; Polishing inspection, be less than 0.07 micron through the final sphericity of inspection rolling element, and surface roughness is less than 0.007 micron.
(3) manufacturing procedure of retainer: Vehicle Processing workpiece; Boring; Processing and lubrication hole; Surface treatment; Cleaning rust-proof processing.
(4) assembling: place the bearing outer ring and the retainer that have heated on mounting equipment, rolling element is pressed into pocket hole in retainer; Bearing inner race after heating is placed on to mounting equipment relevant position, presses down slightly inner ring, rolling element is pressed in the raceway groove of Internal and external cycle; Take down outer ring, whole bearing assemble is complete.
Adopt the beneficial effect of above technical scheme to be: the deep groove ball bearing that the present invention produces is made up of lasso (inner ring and outer ring), retainer and rolling element.The manufacturing procedure of the lasso (inner ring and outer ring) that the present invention mentions, is wherein controlled at 500 DEG C ~ 650 DEG C to lasso annealing in process temperature, and preferably temperature is 600 DEG C; Annealing operation is conducive to eliminate the internal stress of blank, is convenient to follow-up machining; Heat treatment process is Quenching Treatment, and temperature is controlled at 600 DEG C ~ 650 DEG C, and preferably temperature is 620 DEG C; Carry out cold treatment, temperature is controlled at-60 DEG C ~-80 DEG C again, and preferably temperature is-70 DEG C; Finally carry out lonneal processing, temperature is controlled at 150 DEG C ~ 250 DEG C, and preferably temperature is 200 DEG C; Heat treatment step is conducive to eliminate the internal stress of lasso in machining, and can strengthen lasso hardness, reinforcing material performance.In the lasso manufacturing procedure that the present invention mentions, be to lasso both ends of the surface to the concrete operation of the grinding of lasso, inside and outside circle side face, hole and raceway groove slightly refine; Again ring raceways is slightly ground half lappingout, lappingout and fine abrasive; Grinding process is conducive to reduce the surface roughness of lasso, improves collar precision, thereby extends the service life of bearing.The manufacturing procedure of the 9Cr18Mo stainless steel rolling element that the present invention mentions, wherein, to the forging of 9Cr18Mo stainless steel blank, temperature is controlled at 1300 DEG C ~ 1400 DEG C, and preferably temperature is 1350 DEG C, forging process is conducive to eliminate the internal stress of blank, improves material property; 9Cr18Mo stainless steel blank carried out to polishing inspection process, be less than 0.07 micron through the final sphericity of inspection rolling element, surface roughness is less than 0.007 micron, and this operation is conducive to ensure the precision of rolling element, thereby in the service life of improving bearing, reach high-precision requirement.
The invention provides a kind of production technology that is applied to the high accuracy deep groove ball bearing under high-speed and low-noise operating condition, solved the requirement to bearing high precision performance under high-speed and low-noise condition.By this production technology, improve the precision of deep groove ball bearing.
The foregoing is only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a production technology for high accuracy deep groove ball bearing, is assembled by inner ring, outer ring, rolling element and retainer, it is characterized in that, comprises following processing step:
Lasso (inner ring and outer ring) manufacturing procedure: blanking; Blank is carried out to annealing in process; Vehicle Processing, shapes blank substantially; Heat treatment; Grinding;
The manufacturing procedure of rolling element: 9Cr18Mo stainless steel blank forging is shaped; Carry out Carburization Treatment; Grind; Polishing inspection;
The manufacturing procedure of retainer: Vehicle Processing workpiece; Boring; Processing and lubrication hole; Surface treatment; Cleaning rust-proof processing;
Assembling: place the bearing outer ring and the retainer that have heated on mounting equipment, rolling element is pressed into pocket hole in retainer; Bearing inner race after heating is placed on to mounting equipment relevant position, presses down slightly inner ring, rolling element is pressed in the raceway groove of Internal and external cycle; Take down outer ring, whole bearing assemble is complete.
2. the production technology of a kind of high accuracy deep groove ball bearing according to claim 1, is characterized in that, in described step (1), the annealing in process temperature of blank is controlled to 500 DEG C ~ 650 DEG C, and preferably temperature is 600 DEG C; Heat treatment process is Quenching Treatment, and temperature is controlled at 600 DEG C ~ 650 DEG C, and preferably temperature is 620 DEG C; Carry out cold treatment, temperature is controlled at-60 DEG C ~-80 DEG C again, and preferably temperature is-70 DEG C; Finally carry out lonneal processing, temperature is controlled at 150 DEG C ~ 250 DEG C, and preferably temperature is 200 DEG C.
3. the production technology of a kind of high accuracy deep groove ball bearing according to claim 1, is characterized in that, in described step (1), is to lasso both ends of the surface to the concrete operation of the grinding of lasso, inside and outside circle side face, and hole and raceway groove slightly refine; Again ring raceways is slightly ground half lappingout, lappingout and fine abrasive.
4. the production technology of a kind of high accuracy deep groove ball bearing according to claim 1, is characterized in that, in described step (2), the forging temperature of 9Cr18Mo stainless steel blank is controlled to 1300 DEG C ~ 1400 DEG C, and preferably temperature is 1350 DEG C.
5. the production technology of a kind of high accuracy deep groove ball bearing according to claim 1, it is characterized in that, rolling element polishing inspection process in described step (2), be less than 0.07 micron through the final sphericity of inspection rolling element, and surface roughness is less than 0.007 micron.
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410334349.9A CN104162766A (en) | 2014-07-15 | 2014-07-15 | Production technology of high-precision deep groove ball bearing |
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| CN201410334349.9A CN104162766A (en) | 2014-07-15 | 2014-07-15 | Production technology of high-precision deep groove ball bearing |
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| CN201410334349.9A Pending CN104162766A (en) | 2014-07-15 | 2014-07-15 | Production technology of high-precision deep groove ball bearing |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104759845A (en) * | 2015-03-20 | 2015-07-08 | 高灵军 | Processing technology of bearing |
| CN104959781A (en) * | 2015-06-09 | 2015-10-07 | 卢家雄 | Bearing machining method |
| CN105196011A (en) * | 2015-09-16 | 2015-12-30 | 贵州群建精密机械有限公司 | Processing method of work gear in low-temperature environment |
| CN105757125A (en) * | 2016-04-26 | 2016-07-13 | 杭州雷迪克节能科技股份有限公司 | Automobile hub bearing with grease storage structure and machining technology |
| CN106041416A (en) * | 2016-05-31 | 2016-10-26 | 安徽潜山轴承制造有限公司 | Production process for high-precision ball bearing |
| CN106041435A (en) * | 2016-08-18 | 2016-10-26 | 顾建祖 | Thin-walled flexible bearing machining technology |
| CN106078085A (en) * | 2016-06-07 | 2016-11-09 | 嘉兴福可吉精密机械有限公司 | A kind of processing technology of hub bearing |
| CN106425331A (en) * | 2016-12-09 | 2017-02-22 | 安顺市虹翼特种钢球制造有限公司 | Method for machining high-strength-toughness and high-abrasion-resistance ball bearing |
| CN106624648A (en) * | 2016-12-26 | 2017-05-10 | 怀宁吉利来精密机械科技有限公司 | Rolling bearing production technology |
| CN107228121A (en) * | 2017-05-27 | 2017-10-03 | 安徽机电职业技术学院 | Cold rolling deep groove ball bearing |
| CN108161340A (en) * | 2016-12-08 | 2018-06-15 | 新昌县嘉德科技发展有限公司 | A kind of processing technology of deep ditch ball bearing ring |
| CN108644231A (en) * | 2018-03-31 | 2018-10-12 | 芜湖之优轴承有限公司 | A kind of deep groove ball bearing processing technology |
| CN109707729A (en) * | 2018-12-29 | 2019-05-03 | 浙江同庆汽车轴承有限责任公司 | A kind of bearing and preparation method thereof |
| CN110730696A (en) * | 2017-06-03 | 2020-01-24 | 阿图库马尔·拉加夫吉布海·萨拉德瓦 | Method for manufacturing segments for carbon thrust bearings |
| CN112247828A (en) * | 2020-10-12 | 2021-01-22 | 杭州富阳日欣精密机械制造有限公司 | Bearing precision machining process and grinding device thereof |
| CN112756919A (en) * | 2020-12-31 | 2021-05-07 | 沈阳鼓风机集团齿轮压缩机有限公司 | Machining method of compressor ball bearing |
| CN113894499A (en) * | 2021-09-29 | 2022-01-07 | 浙江硕业轴承有限公司 | Novel hub bearing production equipment and process thereof |
| CN114029713A (en) * | 2021-12-06 | 2022-02-11 | 襄阳博力精工机械有限公司 | High-precision bearing casting machining method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104759845A (en) * | 2015-03-20 | 2015-07-08 | 高灵军 | Processing technology of bearing |
| CN104959781A (en) * | 2015-06-09 | 2015-10-07 | 卢家雄 | Bearing machining method |
| CN105196011A (en) * | 2015-09-16 | 2015-12-30 | 贵州群建精密机械有限公司 | Processing method of work gear in low-temperature environment |
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| CN105757125A (en) * | 2016-04-26 | 2016-07-13 | 杭州雷迪克节能科技股份有限公司 | Automobile hub bearing with grease storage structure and machining technology |
| CN106041416A (en) * | 2016-05-31 | 2016-10-26 | 安徽潜山轴承制造有限公司 | Production process for high-precision ball bearing |
| CN106078085A (en) * | 2016-06-07 | 2016-11-09 | 嘉兴福可吉精密机械有限公司 | A kind of processing technology of hub bearing |
| CN106078085B (en) * | 2016-06-07 | 2018-02-16 | 嘉兴福可吉精密机械有限公司 | A kind of manufacture craft of hub bearing |
| CN106041435A (en) * | 2016-08-18 | 2016-10-26 | 顾建祖 | Thin-walled flexible bearing machining technology |
| CN108161340A (en) * | 2016-12-08 | 2018-06-15 | 新昌县嘉德科技发展有限公司 | A kind of processing technology of deep ditch ball bearing ring |
| CN106425331A (en) * | 2016-12-09 | 2017-02-22 | 安顺市虹翼特种钢球制造有限公司 | Method for machining high-strength-toughness and high-abrasion-resistance ball bearing |
| CN106624648A (en) * | 2016-12-26 | 2017-05-10 | 怀宁吉利来精密机械科技有限公司 | Rolling bearing production technology |
| CN107228121A (en) * | 2017-05-27 | 2017-10-03 | 安徽机电职业技术学院 | Cold rolling deep groove ball bearing |
| CN110730696A (en) * | 2017-06-03 | 2020-01-24 | 阿图库马尔·拉加夫吉布海·萨拉德瓦 | Method for manufacturing segments for carbon thrust bearings |
| JP2020528354A (en) * | 2017-06-03 | 2020-09-24 | ラジャブジブハイ サラデュバ、アツルクマール | Manufacturing method of carbon thrust bearing segment |
| CN110730696B (en) * | 2017-06-03 | 2022-02-11 | 阿图库马尔·拉加夫吉布海·萨拉德瓦 | Method for manufacturing segments for carbon thrust bearings |
| CN108644231A (en) * | 2018-03-31 | 2018-10-12 | 芜湖之优轴承有限公司 | A kind of deep groove ball bearing processing technology |
| CN109707729A (en) * | 2018-12-29 | 2019-05-03 | 浙江同庆汽车轴承有限责任公司 | A kind of bearing and preparation method thereof |
| CN112247828A (en) * | 2020-10-12 | 2021-01-22 | 杭州富阳日欣精密机械制造有限公司 | Bearing precision machining process and grinding device thereof |
| CN112756919A (en) * | 2020-12-31 | 2021-05-07 | 沈阳鼓风机集团齿轮压缩机有限公司 | Machining method of compressor ball bearing |
| CN113894499A (en) * | 2021-09-29 | 2022-01-07 | 浙江硕业轴承有限公司 | Novel hub bearing production equipment and process thereof |
| CN114029713A (en) * | 2021-12-06 | 2022-02-11 | 襄阳博力精工机械有限公司 | High-precision bearing casting machining method |
| CN114029713B (en) * | 2021-12-06 | 2024-03-08 | 襄阳博力精工机械有限公司 | High-precision bearing casting machining method |
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Application publication date: 20141126 |