Experimental Investigation into Wear Process of Steel Worm Wheel Pair

Journal of South China University of Technology (Natural Science Edition) ›› 2009, Vol. 37 ›› Issue (9): 108-111.

• Mechanical Engineering • Previous Articles Next Articles

Experimental Investigation into Wear Process of Steel Worm Wheel Pair

Li Zhu-jun Shao Ming Zhang Da-tong Li Yuan-yuan

School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, Guangdong, China

Received:2008-07-25 Revised:2008-09-09 Online:2009-09-25 Published:2009-09-25
Contact: 李助军（1980-），男，博士生，主要从事齿轮设计制造技术研究． E-mail:lizhujun80@163．com
About author:李助军（1980-），男，博士生，主要从事齿轮设计制造技术研究．
Supported by:
军品配套项目（JPPT-115-2-697）

Abstract

Abstract:

In order to select a reasonable hardness matching for prolonging the service life of steel worm wheel pairs used in mechanical track tension adjustors,a experimental method was designed to evaluate the effect of hardness on the wear behaviors of steel worm wheel pairs on a SRV Ⅳoscillating friction and wear tester.By using this me-thod,the wear behaviors of the worm wheel pairs with different hardness matching of 40CrNiMoA steel and 18Cr2Ni4WA steel were investigated in unlubricated condition at a room temperature. Experimental results show that, in the steel worm wheel pairs composed of 40CrNiMoA steel and 18Cr2Ni4WA steel, the wear volume of 40CrNiMoA steel decreases, while that of the worm material 18Cr₂Ni₄WA steel increases with the increase in hardness of 40CrNiMoA steel, and that, in the applied 18Cr₂Ni₄WA steel have approximately equal service experimental conditions, both the 40CrNiMoA steel and the life when the hardness of 40CrNiMoA steel is about HRC43.

Key words: worm wheel, alloy steel, hardness, wear

Li Zhu-jun Shao Ming Zhang Da-tong Li Yuan-yuan. Experimental Investigation into Wear Process of Steel Worm Wheel Pair[J]. Journal of South China University of Technology (Natural Science Edition), 2009, 37(9): 108-111.

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Experimental Investigation into Wear Process of Steel Worm Wheel Pair

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