Optimization of WEDM Technology and MetamorphicLayer Analysis of PCE Clutch Sprag

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Optimization of WEDM Technology and MetamorphicLayer Analysis of PCE Clutch Sprag
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Clc Number:TH162
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Abstract:

The manufacturing process of PCE(positive continuous engagement) type sprag clutch in China now-

days was summarized. In order to manufacture high-quality sprag clutch, a processing technology of sprags based on

the WEDM-LS(low speed wire cut electrical discharge machining)was proposed. Adopting orthogonal method to exper-

iment on wire cutting electrical parameters and analysizing surfaces of wire cutting sample with scanning electron mi-

croscope. The result shows that the sequence of factors effecting the surface roughness is pulse width, stop time, the

servo ratio and the initial voltage, and there is a loose structure on the metamorphic layer, which contains Cu and Zn

and with the thickness of about 15 to 20 μm.

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Online: November 28,2016
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