機械類中英文翻譯-在線瀏覽
2025-01-05 04:41本頁面
【正文】 the travelling schedule, various movements angle, the cam radius, , the roller radius, the center distance, from the length and so on. 4. cam contours curve design. 5. cam gears bearing capacity putation. 6. cam gears structural design, plan anization assembly drawing and various ponents shop drawing Fromstructural design: from structure: When design must consider from the guidance and prevented revolves. From movement rule design: The cam gear design basic question 1. cam gears type choice, the definite cam shape, with from maintains the high vice contact from the shape and the movement form and the cam the way 2. from the movement rule design, according to the application situation to fromthe travelling schedule and the movement 1, the cam gear application cam gear is includes the cam the high vice anization, the cam gear has the structure to be simple, may accurately realize request merit and so on movement rule, thus obtains the widespread application in the industrial production, specially automatic device and in the automatic control device, obtains the widespread application. 2nd, the cam gear classification according to two moves the relative motion characteristic classification between the ponent (1) the plane cam gear 1) the disk cam。 (2) roller from (3) flat base from. Note: Classifies this part of content when the introduction cam gear, should point out each kind of cam gear the good and bad points and its the adaption situation, showed each kind of cam gear the inner link, will build the foundation for the later translation cam and the column cam contour design. 3rd, the throwout lever movement rule (1) the cam gear cycle of motion and the basic term terminology push the regulation movement angle: With from pushes the cam corner which the regulation corresponds。 Return trip movement angle: With cam corner which corresponds from the return trip。 Cam: Take the cam axle center as the center of a circle, take its outline slightly to diameter r0 as the radius circle。: The cam center of rotation with from guides way the bias distance, indicated with e. Types of Cams Plate cams are simple to follower can be moved in various patterns with various rise /fall should be controlled to avoid abrupt changes in force transmitted from the cam to the should carefully determine horizontal force ponents,since these present problems designing the follower assembly reactions occur at points A and reaction values must be relative vertical position of point A with respect to B needs to be raised if the reaction value at Bis position of B should be as close to cam as possible to minimize flexure in the rollerfollower support. This type produces reciprocating motion in the ,dorces need to be determined and dimensions chosen so as to avoid excessive ponent tapered roller follower is frequently employed 。the slot cam then engage a pin or roller on a guided vertical reciprocated the latter type ,however,a plete
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