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Unformatted text preview: MEM 431 Machine Design Dr. Zhou Project 1 Da te: 11 /01 / 2010 Scott Goehringer Ma rnus van Zyl Evaluation of Tutorials The Part Modeling in Pro/Engineer Wildfire tutorial by John Bellinger was accurate and allowed the user to easily navigate through Pro/Engineer to design a wrench with little to no prior experience. The tutorial is easy to follow as every step includes screenshots and concise directions. Each button icon that should be selected is shown in the tutorial. This prevents the user from getting frustrated and lost trying to find the correct tool to use when drawing the wrench. The user is able to learn several modeling techniques including drawing straight lines, arcs, trimming sections, mirroring, and extruding. The user is able to learn how to dimension various points of the wrench and change those dimensions after the line or segment is drawn. Although, almost every step is clear and distinct, the steps where the user has to draw an arc by three points or tangent to entity is unclear for a first time Pro/Engineer user. I t is hard to determine the exact size and placement of the arc. The horizontal distance between the two endpoints is shown, but the radius is not clear. The arc can change drastically if the radius is varied. Mr. Bellinger should provide the radius of this arc along with the radius is varied....
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- Fall '08