英语好的请来帮忙Variousmotionscanbeproducedbytheactionofacamagainstafollower.Manytimingdevicesareoperatedbycamaction.Thepurposeofanycamistoproduceadisplace-mentofitsfollower;asecondaryfollowerisoftenused

Question

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Various motions can be produced by the action of a cam against a follower.Many timing devices are operated by cam action.The purpose of any cam is to produce a displace-ment of its follower; a secondary follower is often used to produce additional displacement in another location.The most popular type is the palte cam.The cylindrical type is used to transmit linear motion to a follower as the cam rotates.Three-dimensional cams are sometimes used; these provide some unusual follower motions,byt also make follower design difficult,The camshaft in the automitive engine illustrates a simple but important application of a plate cam,The cam assemblies in automatic record players illustrate a somewhat more complex application
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Answer 1

各种不同的运动能被对抗一个从者的凸轮行动生产.许多时间安排装置被凸轮行动操作. 任何凸轮的目的是生产一移置-它的从者考虑; 一个中级的从者时常用来在另外的一个位置中生产另外的换置. 最流行的类型是凸轮. 当凸轮替换的时候,圆筒形的类型用来送线的运动到一个从者. 三度空间的凸轮有时被用; 这些提供一些不寻常的从者运动,byt 也使从者设计很困难,鼠标引擎的凸轮轴举例说明碟子凸轮的一个简单的但是重要申请, 自动的电唱机的凸轮集会举例说明一个略微较多复杂的申请