Due to uncompleted cam basic parameters or unknown motion functions of follower, it is difficulty to calculate pressure angle for cam mechanisms while only given some discrete points on actual cam profile. After the research of solution for pressure angle of the oscillating-roller-followed disk cam used in cold forging machine, the article brings foreword detailed solutions under such condition above based on cubic spline interpolation function.
Because traditional dynamic analysis for linkage mechanism would be on the basis of some assumptions such as driving forces, which may lead to impractical results for certain linkage mechanism. Therefore, the assumption about driving forces will be dismissed in the article during dynamic analysis for feed mechanism of cold forging machine, and the method of sequence solution is also introduced to replace matrix method for dynamic functions. In this case, the results would be practical and reliable for further theoretical analysis.
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