[其它語(yǔ)言學(xué)習(xí)]第10次課--5-3platecamwithtranslatingrollerorknife-edge(已修改)
2025-01-31 09:49 本頁(yè)面
【正文】 Graphical Synthesis of Cam Mechanisms53 Plate Cam with Translating Roller(or Knifeedge) Follower Plate Cam with Oscillating Roller Follower（擺動(dòng)滾子從動(dòng)件圓盤凸輪） Plate Cam with Translating Flatfaced Follower (直動(dòng)平底從動(dòng)件圓盤凸輪）53 Plate Cam with Translating Roller(or Knifeedge) FollowerGraphical methods offer clear physical concepts and can help us to understand the analytical methods1. A plate cam with translating offset knifeedge follower(偏心尖底直 動(dòng) 從 動(dòng) 件 圓盤 凸 輪 ） is to be designed to acplish(完成 ) a motion as follows:252。h=80mm, ?o =140?, ?o’=100?, ?S =40?, ?S’= 80?, e=40mm。252。rise with 345 polynomial(多 項(xiàng) 式 ) motion curve。 252。return with sine acceleration motion curve。252。The cam rotates counterclockwise。252。The minimum radius rP of the cam is 100mm.At first: calculate the displacement S of the follower for different values of the cam angle ? according to the given motion curve. For the return, For the rise, If the cam rotates an angle ?B0OB39。=? counterclockwise from the beginning, the follower will rise through a corresponding distance B39。B=S from the lowest position along its guide way.Suppose that the cam mechanism has been designed according the given motion curve S?.Cam Rotating Follower Rotating Therefore, motion curve S? can be understood such ways: The cam is stationary. The frame and the follower rotate ? in the d
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