CN106670745A - Machining technology for rolling bearing ring - Google Patents
Machining technology for rolling bearing ring Download PDFInfo
- Publication number
- CN106670745A CN106670745A CN201611241113.6A CN201611241113A CN106670745A CN 106670745 A CN106670745 A CN 106670745A CN 201611241113 A CN201611241113 A CN 201611241113A CN 106670745 A CN106670745 A CN 106670745A
- Authority
- CN
- China
- Prior art keywords
- conducted
- steel
- heated
- rolling bearing
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 14
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000003754 machining Methods 0.000 title abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 15
- 239000010959 steel Substances 0.000 claims abstract description 15
- 238000010791 quenching Methods 0.000 claims abstract description 9
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 5
- 239000000956 alloy Substances 0.000 claims abstract description 5
- REDXJYDRNCIFBQ-UHFFFAOYSA-N aluminium(3+) Chemical class [Al+3] REDXJYDRNCIFBQ-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000000171 quenching Effects 0.000 claims abstract description 5
- 238000000137 annealing Methods 0.000 claims abstract description 4
- 229910001566 austenite Inorganic materials 0.000 claims abstract description 4
- 238000004140 cleaning Methods 0.000 claims abstract description 4
- 238000005097 cold rolling Methods 0.000 claims abstract description 4
- 230000005347 demagnetization Effects 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000005496 tempering Methods 0.000 claims abstract description 4
- 230000001131 transforming Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 235000019628 coolness Nutrition 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 3
- 238000004321 preservation Methods 0.000 abstract 3
- 238000007599 discharging Methods 0.000 abstract 1
- 230000002035 prolonged Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
Abstract
The invention discloses a machining technology for a rolling bearing ring. The machining technology includes the following steps that firstly, discharging is conducted; secondly, cold rolling forming is conducted; thirdly, heat treatment quenching and tempering are conducted, wherein annealing is conducted, steel is heated to the temperature higher than the austenite transformation temperature, heat preservation is conducted for 20 min to 60 min, then the steel is cooled to be lower than 500 DEG C along with a furnace and is discharged out of the furnace to be cooled in air, normalized steel is heated to be higher than Ac3 or Accm, heat preservation is conducted for 20 min to 60 min, the normalized steel is taken out from the furnace to be cooled in air, steel or an alloy is heated to the temperature higher than the critical temperature Ac1 or Ac3 by 30 DEG C to 50 DEG C through quenching, heat preservation is conducted for 20 min to 60 min, and then the steel or alloy is rapidly cooled in a medium such as water or oil or the like; fourthly, grinding is conducted; and fifthly, demagnetization and cleaning are conducted. By means of the machining technology for the rolling bearing ring, due to the fact that all the steps are optimized and parameters such as the temperature are accurately controlled, the machining quality of the bearing ring is improved, and the service life is prolonged.
Description
Technical field
The present invention relates to bearing mnanufacture technical field, more particularly to rolling bearing lasso processing technique field.
Background technology
Lasso is the strength member of rolling bearing, various in style due to rolling bearing so that the set of different type bearing
Equipment, the process that circle size, structure, manufacture are used etc. is different.Again because lasso manufacturing procedure is more, complex process,
Requirement on machining accuracy is high, therefore, the crudy of lasso has important influence to the precision of bearing, service life and performance.
The content of the invention
In order to improve moving axis bearing ring crudy, the invention provides a kind of rolling that can improve bearing Thailand fist quality
Bearing ring processing technology.
The technical scheme that is used to achieve the above object of the present invention is：A kind of rolling bearing lasso processing technology, including
Following steps：
（1）, blanking；
（2）, cold rolling to model；
（3）, heat treatment quench, be tempered, annealing steel is heated to more than austenite transformation temperature, be incubated 20-60 minutes, then with stove
Less than 500 DEG C air coolings of coming out of the stove of cooling；Normalized steel is heated to Ac3 or more than Accm, is incubated 20-60 minutes, is then taken out from stove,
Cool down in atmosphere；Steel or alloy are heated to 30~50 DEG C of critical-temperature Ac1 or more than Ac3 by quenching, are incubated 20-60 minutes,
Then quickly cooled down in the medium such as water or oil；
（4）, grinding；
（5）, demagnetization, cleaning.
The step（3）In, hardening heat is more than critical point 50~100 DEG C.
The step（3）In, it is 150~250 DEG C to use low tempering temperatures.
Rolling bearing lasso processing technology of the invention, optimizes, and the parameters such as temperature are entered by individual step
Row precise control, so as to improve the crudy of bearing ring, extends service life.
Specific embodiment
Rolling bearing lasso processing technology of the invention, comprises the following steps：
（1）, blanking；
（2）, cold rolling to model；
（3）, heat treatment quench, be tempered, annealing steel is heated to more than austenite transformation temperature, be incubated 20-60 minutes, then with stove
Less than 500 DEG C air coolings of coming out of the stove of cooling；Normalized steel is heated to Ac3 or more than Accm, is incubated 20-60 minutes, is then taken out from stove,
Cool down in atmosphere；Steel or alloy are heated to 30~50 DEG C of critical-temperature Ac1 or more than Ac3 by quenching, are incubated 20-60 minutes,
Then quickly cooled down in the medium such as water or oil, hardening heat be critical point more than 50~100 DEG C, use low tempering temperatures for
150~250 DEG C.
（4）, grinding；
（5）, demagnetization, cleaning.
The present invention is described by embodiment, and those skilled in the art know, is not departing from spirit of the invention
In the case of scope, various changes or equivalence replacement can be carried out to these features and embodiment.In addition, in religion of the invention
Lead down, these features and embodiment can be modified to adapt to particular situation and material without departing from essence of the invention
God and scope.Therefore, the present invention is not limited to the particular embodiment disclosed, and falls with claims hereof
In the range of embodiment belong to protection scope of the present invention.
Claims (3)
1. a kind of rolling bearing lasso processing technology, it is characterised in that：Comprise the following steps：
（1）, blanking；
（2）, cold rolling to model；
（3）, heat treatment quench, be tempered, annealing steel is heated to more than austenite transformation temperature, be incubated 20-60 minutes, then with stove
Less than 500 DEG C air coolings of coming out of the stove of cooling；Normalized steel is heated to Ac3 or more than Accm, is incubated 20-60 minutes, is then taken out from stove,
Cool down in atmosphere；Steel or alloy are heated to 30~50 DEG C of critical-temperature Ac1 or more than Ac3 by quenching, are incubated 20-60 minutes,
Then quickly cooled down in the medium such as water or oil；
（4）, grinding；
（5）, demagnetization, cleaning.
2. a kind of rolling bearing lasso processing technology according to claim 1, it is characterised in that：The step（3）In, quench
Fiery temperature is more than critical point 50~100 DEG C.
3. a kind of rolling bearing lasso processing technology according to claim 1, it is characterised in that：The step（3）In, adopt
It it is 150~250 DEG C with low tempering temperatures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241113.6A CN106670745A (en) | 2016-12-29 | 2016-12-29 | Machining technology for rolling bearing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241113.6A CN106670745A (en) | 2016-12-29 | 2016-12-29 | Machining technology for rolling bearing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106670745A true CN106670745A (en) | 2017-05-17 |
Family
ID=58872893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611241113.6A Pending CN106670745A (en) | 2016-12-29 | 2016-12-29 | Machining technology for rolling bearing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106670745A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228121A (en) * | 2017-05-27 | 2017-10-03 | 安徽机电职业技术学院 | Cold rolling deep groove ball bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179936B1 (en) * | 1998-01-29 | 2001-01-30 | Topy Kogyo Kabushiki Kaisha | Method for heat-treating a hollow cylindrical workpiece |
| CN101817141A (en) * | 2010-04-22 | 2010-09-01 | 江苏迪邦三星轴承有限公司 | Processing technique for bearing of megawatt wind power speed increasing gear box |
| CN104191170A (en) * | 2014-08-15 | 2014-12-10 | 浙江环宇轴承有限公司 | Production process for conical roller bearing |
| CN104372148A (en) * | 2014-11-06 | 2015-02-25 | 无锡市百顺机械厂 | Heat treatment process of bearing steel |
| CN105921950A (en) * | 2016-05-31 | 2016-09-07 | 安徽潜山轴承制造有限公司 | Production technology for rolling bearing |
-
2016
- 2016-12-29 CN CN201611241113.6A patent/CN106670745A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6179936B1 (en) * | 1998-01-29 | 2001-01-30 | Topy Kogyo Kabushiki Kaisha | Method for heat-treating a hollow cylindrical workpiece |
| CN101817141A (en) * | 2010-04-22 | 2010-09-01 | 江苏迪邦三星轴承有限公司 | Processing technique for bearing of megawatt wind power speed increasing gear box |
| CN104191170A (en) * | 2014-08-15 | 2014-12-10 | 浙江环宇轴承有限公司 | Production process for conical roller bearing |
| CN104372148A (en) * | 2014-11-06 | 2015-02-25 | 无锡市百顺机械厂 | Heat treatment process of bearing steel |
| CN105921950A (en) * | 2016-05-31 | 2016-09-07 | 安徽潜山轴承制造有限公司 | Production technology for rolling bearing |
Non-Patent Citations (6)
| Title |
|---|
| 冯立艳，李建功，陆玉: "《机械设计课程设计》", 30 June 2016, 机械工业出版社 * |
| 张兆隆，李彩凤: "《金属工艺学》", 31 August 2016, 北京理工大学出版社 * |
| 樊新民: "《热处理工实用技术手册》", 31 January 2010, 江苏科学技术出版社 * |
| 王引真主编；熊伟，冯涛，孙永兴，王彦芳副主编: "《材料工程基础》", 31 May 2015, 中国石油大学出版社 * |
| 马伯龙，杨满: "《热处理技术图解手册》", 30 June 2015, 机械工业出版社 * |
| 魏德强，吕汝金，刘建伟主编；廖维奇，王喜社，桂慧副主编: "《国家级工程训练示范中心"十三五"规划教材 机械工程训练》", 31 March 2016, 清华大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228121A (en) * | 2017-05-27 | 2017-10-03 | 安徽机电职业技术学院 | Cold rolling deep groove ball bearing |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170517 |