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08-15 

The 5th China (Zhengzhou) International Abrasives&Grinding Exhibition

07-23 

The 5th China Zhengzhou Itemational Abrasives & Grinding Exposition

　　The 5th China (Zhengzhou) International Abrasives&Grinding Exhibition

01-07 

CIMT 2019

　　The 16th China International Machine Tool Show

07-20 

General China Asia - Pacific Technology Exchange Seminar

2016 General China Asia-Pacific Technology Exchange Seminar (GMIO Tooling F2F Meeting)

07-20 

Camshaft industry success stories

　　The role of the camshaft is through the transmission parts (rocker, timing chain, sprocket), accurately according to a certain time to control the valve opening and closing, to ensure that the engine according to a certain law for ventilation. The camshaft bearing is subjected to periodic impact load, the contact stress between the cam and the tappet is very large, and the relative sliding speed is also high. Therefore, the wear of the cam working surface is serious. In this case, the camshaft journal and the cam working surface Should have high dimensional accuracy, small surface roughness and sufficient rigidity, high wear resistance and good lubrication, and for its better surface roughness using CBN grinding wheel can guarantee a better surface Roughness and uniform shape accuracy.

07-20 

Zhengzhou Hongtuo Superabrasive Products Co., Ltd. Science and Technology Association set up the General Assembly

Zhengzhou Hongtuo Superabrasive Products Co., Ltd. Science and Technology Association set up the General Assembly And the first congress held successfully

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Phone:+86-371-62266855
Skype:zhengzhouhongtuo
E-mail: zzhtcy@hotmail.com
Address:NO.135,Longfei nan Street,International Logistics Park,
Economic Development Zone,Zhengzhou,China.

Iran Distributor

Contact person:

Amin Rafiei
Tel: 0098 91257 00056
E-mail: zzhtcy@gmail.com

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