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#11
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Mel Ristau
9704207421 8001 Country Farms Court, Fort Collins, 89528
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Mel Ristau |
#12
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Follow up on this shear. Neat little machine. Each blade had 4 cutting edges and they had never been flipped or rotated so we did that. The machine was designed to cut a maximum thickness of .060", 1.5mm so clearance from the factory was set at .008". We found a shim behind the top blade which set that clearance. Most of Mel's work is in aluminum less than half that thickness so we added a layer of clear packing tape behind the bottom blade to decrease the clearance another frog hair, give or take. Tested with a .012 thick piece of 6061 and both machine and Mel were happy. Cool design, if it can't be adjusted it come out of adjustment.
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Bob Don't believe everything you think. |
#13
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It is a pleasure to read good reports from such a distance about the correct approach to machine repair. Now it's for 2 more lives.
And other edges will be dulled in 200 years. Then it will be necessary to grind. Maybe in 200 years there will be other animals here... ![]()
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Jaroslav |
#14
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If there are animals, remember to always sharpen your tools. Otherwise we will never be able to get out of the cage.
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In the morning I was convinced that this was the only solution. Witold https://photos.app.goo.gl/VTz6ETWQhnKyqUQYA https://www.youtube.com/watch?v=hzcKlFjOAoE http://forum.poziome.pl/index.php?topic=1989.0 |
#15
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Great guy that Bob!
Monday I tried to edit/update post #11 above but it has not been revised. However, Bob’s description of what we found is best. One question though…. Years ago, might Di-acro have offered a range of shim thicknesses appropriate for various material thicknesses? https://www.dropbox.com/scl/fo/4bd98...o4jiqpzh0&dl=0
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Mel Ristau |
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