Processing steps
1. Drawing analysis: understand the dimensional accuracy requirements and geometric tolerances of each part;
2. Select and check the equipment: vertical milling (X51, X52, X5032);
3. Install and correct the vise and clamp the workpiece; the clamps include: vise, special vise, V-type clamp, indexing head, etc.:
4. Knife selection: select the appropriate keyway knife (to test the knife);
5. Select a reasonable cutting amount (determination of v, ap, f);
6. When cutting steel: the spindle speed is n=1000v/3.14D; among them: v is the milling speed, which can be found in the mechanical industry manual; D is the milling rotation diameter of the milling cutter. By calculating the spindle speed n, generally take 500~600 rpm. Depth of cut ap=0.05mm; tool star is manual;
7. When milling castings: the spindle speed selection n is generally between 300 and 400 rpm; the cutting depth is p=0.1mm; the amount of cutting is manual;
8. Determine the number of processing: roughing, finishing;
9. Drive to the center, and mill out a small plane at the position where the keyway is milled. Adjust the lateral table so that the center of rotation of the spindle is aligned with the center of the facet.
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