Mill Exercise - Mill Project. Tools needed: inch 2 flute...

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Mill Project. Tools needed: ¾ inch 2 flute endmill, appropriate collet, drill chuck, edgefinder, #3 centerdrill #8 drill bit, chamfer, ¼-20 tap and handle, cutting oil, 1.375 parallels, file, caliper and center. 1. Take materials, tools and drawing to mill. Make sure vise is installed and work surface of vise is clean. Place part in vise on top of parallels with material sticking out of vise to allow access with endmill, tighten vise. 2. Install collet and endmill in spindle and tighten drawbar as instructed in training. 3. Insure spindle range lever is in Hi position. Turn spindle switch to hi range and set speed to 1800 rpm. 4. Lower spindle and raise table as needed to engage full length of endmill on end of material. 5. Machine minimum amount off. Only enough to provide a fully machined surface. 6. Remove part and break all machined surfaces with file. 7. Place part in vise to machine other end of part. Take part to length, do this in several passes Taking no more than .05 in per pass till part is to size within listed tolerances. Use calipers
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This note was uploaded on 10/05/2011 for the course MECHENG 250 taught by Professor Stevis during the Fall '09 term at University of Michigan.

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Mill Exercise - Mill Project. Tools needed: inch 2 flute...

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