浅析左、右不同偏置情况下的凸轮机构压力角计算公式

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中图分类号：G642 文献标识码：A DOI：10.16400/j.cnki.kjdk.2025.26.026

Brief Analysis of Pressure Angle Calculation Formulas for Cam MechanismsunderDifferentLeft and Right OffsetConditions

WANG Qingkan， WANG Ting， DUAN Leiguang

）epartment ofBasic Sciences，Rocket Force University ofEngineering，Xi'an， Shaanxi 71（ Abstract"Mechanical Design Fundamentals" is a compulsory course for students majoring in mechanical engineering.Thecammechanismis tekeycontentofthiscourse.Inresponse totheproblem thatstudentscannotunderstand thepressureanglecalculationofthecammechanismindetail，thisarticletakestheofsetpointedfollwerdisc-shapedcam asanexample todistinguishandclasifythesituations where thecamrotationandofsetdirectionaredifferent.Basedonthe specificbiassituationofthecammechanism，theexistingpresureanglecalculationformulaisdiscussdindetail，ndthe graphicalanalysis methodisappliedtoderive theanalyticalformulaaccordingtothecoordinate seriesandcompare it with thedetailedformulaonebyone.Basedonthis，wecansummarizeand generalizetheformulaforcalculatingthepressure angleof thecammechanism in the textbook.Thisarticlecomprehensivelyreproduces thedetailed induction processof knowledge points，making iteasier for students tounderstandand mastertheformula forcalculating pressre angle. Keywordscammechanism;left offset; right offset; graphic analysis method

“机械设计基础”是机械类工科专业学生必修的一门课程，主要研究机械中的通用机构和通用零件的工作原理、结构特点、基本设计理论和计算方法。（剩余3544字）