CN104805266A - 一种重载齿轮渗碳淬火工艺 - Google Patents
一种重载齿轮渗碳淬火工艺 Download PDFInfo
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- CN104805266A CN104805266A CN201510207194.7A CN201510207194A CN104805266A CN 104805266 A CN104805266 A CN 104805266A CN 201510207194 A CN201510207194 A CN 201510207194A CN 104805266 A CN104805266 A CN 104805266A
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- 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
- C21D9/32—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for gear wheels, worm wheels, or the like
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- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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Abstract
本发明涉及金属热处理技术领域,具体涉及一种重载齿轮渗碳淬火工艺,包括以下步骤:步骤一:渗碳,渗碳温度为850-900℃;步骤二:预冷,将齿轮预冷至600℃,冷却时间为10小时;步骤三:回火,回火温度250℃,时间3小时;步骤四:淬火,淬火油温度100-150℃,7小时;步骤五:对齿轮进行清洗;步骤六:回火:500-600℃,3小时。步骤七:二次淬火,淬火油温度100-150℃,3小时。本发明所公开的一种重载齿轮渗碳淬火工艺,工艺路线设计合理,能够保证加工齿轮的硬度要求,生产周期短,耗电量少,成本低。
Description
技术领域
本发明涉及金属热处理技术领域,具体涉及一种重载齿轮渗碳淬火工艺。
背景技术
随着我国重工业水平的发展,各种大型工业机械在工业生产中起到的作用越来越大,矿用采掘机械、运输机械等低速重载齿轮,要求采用可靠性高的渗碳淬火技术,才能够达到对齿轮的硬度要求,但是,现有技术中很多不合理的渗碳淬火工艺,往往无法达到技术要求。
发明内容
为解决现有技术中存在的上述问题,本发明提供了一种重载齿轮渗碳淬火工艺。
本发明的技术效果通过以下技术方案实现:
一种重载齿轮渗碳淬火工艺,包括以下步骤:
步骤一:渗碳,渗碳温度为850-900℃;
步骤二:预冷,将齿轮预冷至600℃,冷却时间为10小时;
步骤三:回火,回火温度250℃,时间3小时;
步骤四:淬火,淬火油温度100-150℃,7小时;
步骤五:对齿轮进行清洗;
步骤六:回火:500-600℃,3小时;
步骤七:二次淬火,淬火油温度100-150℃,3小时。
本发明的有益效果是:
本发明所公开的一种重载齿轮渗碳淬火工艺,工艺路线设计合理,能够保证加工齿轮的硬度要求,生产周期短,耗电量少,成本低。
具体实施方式
本发明通过以下具体实施方式实现:
一种重载齿轮渗碳淬火工艺,包括以下步骤:
步骤一:渗碳,渗碳温度为900℃;
步骤二:预冷,将齿轮预冷至600℃,冷却时间为10小时;
步骤三:回火,回火温度250℃,时间3小时;
步骤四:淬火,淬火油温度150℃,7小时;
步骤五:对齿轮进行清洗;
步骤六:回火: 600℃,3小时。
步骤七:二次淬火,淬火油温度150℃,3小时。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
Claims (1)
1.一种重载齿轮渗碳淬火工艺,其特征在于:包括以下步骤:
步骤一:渗碳,渗碳温度为850-900℃;
步骤二:预冷,将齿轮预冷至600℃,冷却时间为10小时;
步骤三:回火,回火温度250℃,时间3小时;
步骤四:淬火,淬火油温度100-150℃,7小时;
步骤五:对齿轮进行清洗;
步骤六:回火:500-600℃,3小时;
步骤七:二次淬火,淬火油温度100-150℃,3小时。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107326321A (zh) * | 2017-08-15 | 2017-11-07 | 肥西县通力机械有限公司 | 一种改善钢材工件使用特性的处理方法 |
CN108504845A (zh) * | 2017-11-22 | 2018-09-07 | 新昌县回山镇金帛机械厂 | 一种套圈的热处理工艺 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05222445A (ja) * | 1992-02-07 | 1993-08-31 | Nissan Motor Co Ltd | 浸炭焼入方法 |
CN102605378A (zh) * | 2012-01-13 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | 一种齿轮的渗碳淬火方法 |
CN103643241A (zh) * | 2013-11-26 | 2014-03-19 | 常熟市东风齿轮厂 | 齿轮渗碳淬火工艺 |
-
2015
- 2015-04-28 CN CN201510207194.7A patent/CN104805266A/zh active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05222445A (ja) * | 1992-02-07 | 1993-08-31 | Nissan Motor Co Ltd | 浸炭焼入方法 |
CN102605378A (zh) * | 2012-01-13 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | 一种齿轮的渗碳淬火方法 |
CN103643241A (zh) * | 2013-11-26 | 2014-03-19 | 常熟市东风齿轮厂 | 齿轮渗碳淬火工艺 |
Non-Patent Citations (2)
Title |
---|
李书常主编: "《热处理使用淬火介质精选》", 28 February 2009, 化学工业出版社 * |
王先会主编: "《金属加工油剂应用技术》", 30 April 2005, 中国石化出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107326321A (zh) * | 2017-08-15 | 2017-11-07 | 肥西县通力机械有限公司 | 一种改善钢材工件使用特性的处理方法 |
CN108504845A (zh) * | 2017-11-22 | 2018-09-07 | 新昌县回山镇金帛机械厂 | 一种套圈的热处理工艺 |
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