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Engineering Graphics. Parts’ mapping. Song HX, Engineering Graphics Department, DLUT. All available measuring tools are in the desk drawers and one set is exhibited in the shelf. Dimensioning sample– shaft(18 basic dimensions). Determine the primary datum lines:
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Engineering Graphics Parts’ mapping Song HX, Engineering Graphics Department, DLUT
All available measuring tools are in the desk drawers and one set is exhibited in the shelf
Dimensioning sample– shaft(18 basic dimensions) Determine the primary datum lines: Radial direction—the axis of the shaft Axial direction —the end plane of the biggest shoulder Dimensioning one by one (to avoid size chain closed). Looking up the appendices to give dimensions for the standard structures of manufacturing process, such as thread chamfer, escape of thread and grinding, the key seat. radial direction axial direction
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