DrawingGuidelines

DrawingGuidelines - ME 424/426 Drawing Guidelines...

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2/5/2003 ME 424/426 Drawing Guidelines Mechanical drawings are primarily used to relay design information about a device to manufacturing. Through these drawings, all of the information about various features in a device is conveyed. The key to having “good” drawings is conveying this information in a concise and clear manner. There are several conventions used in drawings to reduce the number of dimensions and notes. Geometric Dimensioning and Tolerancing (GD&T) is currently used in industry and is an established standard by ASME. This standard makes use of symbols and tolerancing schemes to simplify and standardize drawings. The proper use of this standard is beyond the scope of this course at this time. However, if you are interested in learning more about GD&T, the standard is ASME Y14.5M-1994. In addition, there are numerous books, manuals, and training programs on GD&T. This drawing guidelines packet will provide several conventions to use in simplifying drawings for projects. In addition to these conventions, there are numerous standards published by ASME on drawings such as formats. Corporations have created their own drawing standards based upon the products and processes in which they are involved. Drawing Formats There are 5 basic US sheet form sizes, A, B, C, D, and E, where E is the largest. Each increment in size has twice the area of the preceding sheet. The following lists the sheet
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This note was uploaded on 01/29/2011 for the course EE 203 taught by Professor Gp.(r)muzaffarali during the Fall '10 term at College of E&ME, NUST.

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DrawingGuidelines - ME 424/426 Drawing Guidelines...

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