CN102994939B - 一种用于轴承保持器热处理的真空脉冲氮化工艺 - Google Patents
一种用于轴承保持器热处理的真空脉冲氮化工艺 Download PDFInfo
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- CN102994939B CN102994939B CN201310004273.9A CN201310004273A CN102994939B CN 102994939 B CN102994939 B CN 102994939B CN 201310004273 A CN201310004273 A CN 201310004273A CN 102994939 B CN102994939 B CN 102994939B
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- Prior art keywords
- stove
- temperature
- furnace
- bearing cage
- vacuum pulse
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000005121 nitriding Methods 0.000 title claims abstract description 31
- 238000010438 heat treatment Methods 0.000 title claims abstract description 12
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 44
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 22
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 10
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000004087 circulation Effects 0.000 claims abstract description 4
- 238000005086 pumping Methods 0.000 claims abstract description 3
- 238000013461 design Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 9
- 238000010792 warming Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 7
- 238000005273 aeration Methods 0.000 claims description 6
- 238000007669 thermal treatment Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000002045 lasting effect Effects 0.000 claims description 3
- 230000006837 decompression Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 2
- 238000005299 abrasion Methods 0.000 abstract 1
- 229910052757 nitrogen Inorganic materials 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310004273.9A CN102994939B (zh) | 2013-01-07 | 2013-01-07 | 一种用于轴承保持器热处理的真空脉冲氮化工艺 |
Applications Claiming Priority (1)
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CN201310004273.9A CN102994939B (zh) | 2013-01-07 | 2013-01-07 | 一种用于轴承保持器热处理的真空脉冲氮化工艺 |
Publications (2)
Publication Number | Publication Date |
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CN102994939A CN102994939A (zh) | 2013-03-27 |
CN102994939B true CN102994939B (zh) | 2014-08-06 |
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CN201310004273.9A Active CN102994939B (zh) | 2013-01-07 | 2013-01-07 | 一种用于轴承保持器热处理的真空脉冲氮化工艺 |
Country Status (1)
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CN (1) | CN102994939B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114059009A (zh) * | 2021-11-17 | 2022-02-18 | 湖南机电职业技术学院 | 一种喷丸碳氮化处理方法及装置 |
CN114774840A (zh) * | 2022-05-07 | 2022-07-22 | 江苏丰东热处理及表面改性工程技术研究有限公司 | 粉末冶金制品的氮化工艺方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2055541A1 (en) * | 1990-11-15 | 1992-05-16 | Friedrich Preisser | Process for nitriding steel workpieces under pressure |
CN1876886A (zh) * | 2006-07-03 | 2006-12-13 | 四川东风电机厂有限公司 | 冲击式水轮发电机组氮化零件加工工艺 |
CN101285163A (zh) * | 2008-05-12 | 2008-10-15 | 十堰市郧齿汽车零部件有限公司 | 一种硬齿面发动机正时齿轮的表面氮化方法 |
-
2013
- 2013-01-07 CN CN201310004273.9A patent/CN102994939B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2055541A1 (en) * | 1990-11-15 | 1992-05-16 | Friedrich Preisser | Process for nitriding steel workpieces under pressure |
CN1876886A (zh) * | 2006-07-03 | 2006-12-13 | 四川东风电机厂有限公司 | 冲击式水轮发电机组氮化零件加工工艺 |
CN101285163A (zh) * | 2008-05-12 | 2008-10-15 | 十堰市郧齿汽车零部件有限公司 | 一种硬齿面发动机正时齿轮的表面氮化方法 |
Non-Patent Citations (2)
Title |
---|
38CrMoAl主驱动齿轮低真空变压气体渗氮;陈希原;《第十次全国热处理大会论文集》;20110930;第1-3页 * |
陈希原.38CrMoAl主驱动齿轮低真空变压气体渗氮.《第十次全国热处理大会论文集》.2011,第1-3页. |
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CN102994939A (zh) | 2013-03-27 |
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Owner name: LIAOCHENG YIHE BEARING PARTS CO., LTD. Free format text: FORMER OWNER: LIAOCHENG RENHE SKILLED BEARING CO., LTD. Effective date: 20150114 |
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Effective date of registration: 20150114 Address after: Zheng Jia Zhen Dong Wang Cun 252000 Shandong province Liaocheng city Dongchangfu District Patentee after: Liaocheng righteousness Bearing Fittings Co.,Ltd. Address before: 252500, Liaocheng Town, Dongchangfu District, Shandong Province Patentee before: Liaocheng RenHe Skilled Bearing Co.,Ltd. |
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Effective date of registration: 20161125 Address after: Zheng Jia Zhen Dong Wang Cun 252000 Shandong province Liaocheng city Dongchangfu District Patentee after: LIAOCHENG HENGFENG ROLLING Co.,Ltd. Address before: Zheng Jia Zhen Dong Wang Cun 252000 Shandong province Liaocheng city Dongchangfu District Patentee before: Liaocheng righteousness Bearing Fittings Co.,Ltd. |
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Denomination of invention: Vacuum pulse nitriding process used for heat treatment of bearing cage Effective date of registration: 20170306 Granted publication date: 20140806 Pledgee: Qilu bank Limited by Share Ltd. Liaocheng Dongchangfu branch Pledgor: LIAOCHENG HENGFENG ROLLING Co.,Ltd. Registration number: 2017370000023 |
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Date of cancellation: 20230612 Granted publication date: 20140806 Pledgee: Qilu bank Limited by Share Ltd. Liaocheng Dongchangfu branch Pledgor: LIAOCHENG HENGFENG ROLLING Co.,Ltd. Registration number: 2017370000023 |
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Effective date of registration: 20230804 Address after: 252000 Zheng Jia Zhen Dong Wang Cun, Dongchangfu District, Liaocheng City, Shandong Province Patentee after: Liaocheng righteousness Bearing Fittings Co.,Ltd. Address before: Dongwang Village, Zhengjia Town, Dongchangfu District, Liaocheng City Patentee before: LIAOCHENG HENGFENG ROLLING Co.,Ltd. |