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In this work there is presented a non-traditional graphical approach for the generation of 3D spline path inside the Mechanical Desktop system according to the followers’ displacement diagrams in two (X and Y) directions. The rise of the quality, while reducing the product price, minimizing the time assigned for the design and manufacturing process, is possible only through the employment of the front edge CAD/CAM/CAE (automated design, manufacturing and engineering) systems [1]. Cam profiles creation with Mechanical Desktop system. The cam is a specially shaped piece of metal or other material arranged to move follower in a controlled fashion. Cam-follower systems are an extremely important and ubiquitous component in all kinds of machinery. Inside Mechanical Desktop software the cam calculation and design subsystem is present. However it does not allow create 3D virtual objects of cams. The follower movement is periodical (follower runs up and down, the start and end point of follower are coincide). Over modeling process a special AutoLISP program was created [4]. The program allows scan the diagrams presented in the Figure 1 with required accuracy; setup unlimited number of the points on cams 3D spline path by one revolution of last one.
Tags : cam follower, spline path, cam profiles, fashion cam, autolisp program, ubiquitous component, edge cad, graphical approach, virtual objects, automated design, desktop system, engineering systems, desktop software, manufacturing process, displacement
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