CN1782103A - 球墨铸铁曲轴余热等温淬火 - Google Patents

球墨铸铁曲轴余热等温淬火 Download PDF

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Publication number
CN1782103A
CN1782103A CN 200410082830 CN200410082830A CN1782103A CN 1782103 A CN1782103 A CN 1782103A CN 200410082830 CN200410082830 CN 200410082830 CN 200410082830 A CN200410082830 A CN 200410082830A CN 1782103 A CN1782103 A CN 1782103A
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China
Prior art keywords
cast iron
nodular cast
waste heat
crank shaft
isothermal hardening
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CN 200410082830
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CN100348740C (zh
Inventor
张志祥
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Liaoyang Fuxiang Crankshaft Co., Ltd.
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张志祥
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  • Heat Treatment Of Articles (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

本发明涉及金属热处理技术领域，特别是一种球墨铸铁曲轴余热等温淬火。该发明是将铸造成型的球墨铸铁曲轴其温度在800－850℃出壳后，在60－90秒内对其进行冷却至400－200℃，然后放入保温箱里保温1.5－2.0小时，即达到余热等温淬火目的。本发明的优点在于省去以往球墨铸铁曲轴需经加热设备、介质等温淬火设备、清洗设备及其生产流程，不但省钱省工省能源，还节省原材料，对人体和环境无污染，实现安全生产。

Description

球墨铸铁曲轴余热等温淬火
一、技术领域：本发明涉及金属热处理技术领域，特别是一种球墨铸铁曲轴余热等温淬火。
二、背景技术：国内外生产球墨铸铁曲轴在成型后都是经加热设备升温，再经介质淬火设备等温淬火，其技术缺陷是：一得有加热设备、介质淬火设备和清洗设备，不但增加生产设备资金，生产过程还浪费大量电能；二是加热设备加温过程，工件形成氧化皮，浪费原材料和工时；三是若加热后用盐介质等温淬火，对人体和环境都有污染，生产存在不安全因素。
三、发明内容：为解决现有球墨铸铁曲轴等温淬火的上述技术不足，本发明提供一种球墨铸铁曲轴余热等温淬火，其技术方案为：球墨铸铁曲轴铸件成型其温度在800-850℃出壳后，在60-90秒内对其进行冷却至400-200℃，然后放入保温箱内保温1.5-2.0小时，实现余热等温淬火，获得贝氏体组织。本发明的优点在于铸造成型的球墨铸铁曲轴利用余热立即冷却再实施保温达到等温淬火可省去以往加热设备、介质等温淬火设备、清洗设备及其生产流程，不但省钱省工省能源，还节省原材料，无污染，达到安全生产。
四、具体实施方式：将铸造成型的球墨铸铁曲轴在温度820℃出壳后，对其进行喷雾水冷却，喷雾压力为0.13Mpa，使其温度在70秒降至360℃，然后放入保温箱中保温2.0小时(下降温度控制在30-60℃/2小时，冷却速度控制在0.0028-0.0048℃/秒)，即实现余热等温淬火。

Claims (1)

1、一种球墨铸铁曲轴余热等温淬火，其特征是待铸造成型的球墨铸铁曲轴其温度在800-850℃出壳后，在60-90秒内对其进行冷却至400-200℃，然后放入保温箱里保温1.5-2.0小时，即实现余热等温淬火。
CNB200410082830XA 2004-12-02 2004-12-02 球墨铸铁曲轴余热等温淬火 Expired - Fee Related CN100348740C (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB200410082830XA CN100348740C (zh) 2004-12-02 2004-12-02 球墨铸铁曲轴余热等温淬火

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB200410082830XA CN100348740C (zh) 2004-12-02 2004-12-02 球墨铸铁曲轴余热等温淬火

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CN1782103A true CN1782103A (zh) 2006-06-07
CN100348740C CN100348740C (zh) 2007-11-14

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022727A (zh) * 2018-08-01 2018-12-18 刘斯年 球墨铸铁曲轴感应加热、等温淬火工艺方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86107204A (zh) * 1986-10-15 1988-05-04 北京市机电研究院铸造研究所 球墨铸铁的高频等温淬火
CN2036180U (zh) * 1988-05-24 1989-04-19 浙江大学 球墨铸铁曲轴整体加热一次性复合热处理装置
CN1068599A (zh) * 1991-06-28 1993-02-03 招远县黄金机械总厂 一种耐磨球墨铸铁

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109022727A (zh) * 2018-08-01 2018-12-18 刘斯年 球墨铸铁曲轴感应加热、等温淬火工艺方法

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EE01 Entry into force of recordation of patent licensing contract

Assignee: Liaoyang Fuxiang Crankshaft Co., Ltd.

Assignor: Zhang Zhixiang

Contract fulfillment period: 2009.4.18 to 2024.12.2 contract change

Contract record no.: 2009210000175

Denomination of invention: Nodular cast iron crank shaft waste heat isothermal hardening

Granted publication date: 20071114

License type: Exclusive license

Record date: 2009.7.14

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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.4.18 TO 2024.12.2; CHANGE OF CONTRACT

Name of requester: LIAOYANG CITY FUXIANG BENT AXLE CO., LTD.

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Free format text: CORRECT: ADDRESS; FROM: 111000 LIAOYANG FUSANG CRANKSHAFT CO.,LTD. DONGJINGLING NEW CITY, TAIZIHE DISTRICT, LIAOYANG CITY, LIAONING PROVINCE TO: 111000 DONGJINGLING NEW CITY, TAIZIHE DISTRICT, LIAOYANG CITY, LIAONING PROVINCE

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Address after: 111000 Liaoyang City, Liaoning province Tokyo Taizihe Ling Town

Patentee after: Liaoyang Fuxiang Crankshaft Co., Ltd.

Address before: 111000 Liaoyang City, Liaoning province Tokyo Taizihe Ling Metro Liaoyang Fuxiang crankshaft Co. Ltd.

Patentee before: Zhang Zhixiang

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Granted publication date: 20071114

Termination date: 20131202