Cam and groove coupling basic dimensions and design requirements of the importance of design

　　Basic dimensions cam and groove coupling body structure, power transmission performance of the cam and groove coupling bodies have a major impact .cam and groove coupling mechanism of basic parameter selection is not appropriate , it may cause pressure angle is too large or generate motion distortion. influence between the basic dimensions cam and groove coupling bodies each other mutual constraints , so how rational design of these basic dimensions , but also the cam and groove coupling mechanism design to solve important problems.

　　cam and groove coupling basic dimensions of the design problem is to find under the conditions given follower motion and allowed pressure angle of a suitable size , so that the cam mechanism design performance , long life . cam and groove coupling mechanism main design parameters are: base circle radius and offset , roller radius , the pendulum length. To improve the cam and groove coupling mechanism of power transmission effect , hoping to push away the bodies pressure angle as small as possible .

　　In general , the selection of these parameters , in addition to ensure that the driven member can accurately achieve the desired motion law , should also make a good mechanism force condition and compact size .
 

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