回转窑大齿圈铸造质量及热处理工艺的研究

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摘要回转窑用大齿圈通常采用铸造成型，其铸造质量决定使用安全性，热处理工艺决定使用寿命。通过改进铸造工艺，可提高铸件质量，采用超声波和磁粉两种无损检测技术判定铸件质量等级；热处理工艺由正火+回火改为淬火+回火，可提高齿面硬度，从而达到提升齿圈使用寿命的目的。

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	邓荣娟

关键词: 回转窑齿圈质量 UT MT 正火+回火淬火+回火

Abstract: Gear ring utilized for rotary kiln was usually formed by casting, and the casting quality determined using security, the heat treatment process determined service life. Through improving the casting process, the casting quality can be improved. The grade of casting quality was determined by two nondestructive testing technique which were ultrasonic nondestructive testing (UT) and magnetic particle nondestructive testing (MT). Heat treatment process was changed from normalizing + tempering to quenching + tempering, which could increase the tooth surface hardness, thereby achieve the purpose of improving the service life of the gear ring.

Key words: rotary kiln girth gear quality UT MT normalizing + tempering quenching + tempering

出版日期: 2018-03-25 发布日期: 2018-03-29 整期出版日期: 2018-03-25

TQ172.622.29

引用本文:

邓荣娟.

回转窑大齿圈铸造质量及热处理工艺的研究

[J]. 水泥技术, 2018, 1(2): 36-38.
DENG Rongjuan. Study on Casting Quality and Heat Treatment for Rotary Kiln Girth Gear. Cement Technology, 2018, 1(2): 36-38.

链接本文:

http://www.cemteck.com/CN/ 或 http://www.cemteck.com/CN/Y2018/V1/I2/36

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