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| Another sump.... but this time.... |
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| AdeV:
....CNC'd :) This is why I've been so quiet recently, hopefully I can get cracking with some more projects now... There's a bit of an "oops" on the underside - a noticable "band" across the middle. This happened because the CNC machine isn't big enough to do the entire length of the sump in one go; so I have to machine one half, then turn the sump around & mill the other half. I'd got super-accurate measurements between the roughing cutter & the finishing cutter, so I could swap from one to the other & maintain the same height.... then at some point whilst roughing the second half, the cutter managed to push its way into the collet.... so it ended up not cutting full depth. Grr! Now my carefully laid datum was lost, and I obviously didn't quite get it back to where it should have been. Also... there were some shortcomings with the jig plate which I will have to address... look out for that one in the gallery soon :) |
| awemawson:
Well done Ade. :thumbup: You will likely always see a join double machining. Design a 'feature' such as a rib, or a bit of fancy work at the join so it isn't noticeable. |
| spuddevans:
Looking good there Ade :thumbup: But you forgot one photo, a shot of all the swarf :lol: Tim |
| AdeV:
Thanks chaps :) If anyone wants one, I am taking orders.... :ddb: --- Quote from: spuddevans on September 14, 2013, 03:03:36 PM ---Looking good there Ade :thumbup: But you forgot one photo, a shot of all the swarf :lol: --- End quote --- :bow:Tim - your wish is my command :bow: :lol: There's quite a lot of it there, which will lead me onto another question, tomorrow... |
| Stilldrillin:
Nice to have you back again, Ade! :thumbup: Good to see you've not been idle........ :D David D |
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