Analyze the effect of dimensions and tolerances for Hydraulic cam and groove coupling.

　　Analyze the effect of dimensions and tolerances for Hydraulic cam and groove coupling.

　　The measured dimensions and tolerances on the actual processing into the size, not necessarily must reach a size, cannot detect what is what like stem. For example, figure L size in 9-1, tolerance does not affect the function of some hydraulic cam and groove coupling. But in the introduction of technology at the beginning, due to the technical personnel of cam and groove coupling does not understand, the measured error tolerance prototype L size 0.02 as the coupling spindle step will reach tolerances. Because the step length of grinding is difficult to control and difficult to be measured, so it caused a lot of waste.

　　When understanding the transmission principle of cam and groove coupling, just know this copy practice make a big joke. Thus in the surveying and mapping work wheel and spindle, must analyze the size or tolerance, rational dimension tolerance and shape position tolerance is determined according to the actual situation.

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