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Model Forum / General / Models / December 2006Magnetic chuck
Just bought a magnetic chuck for a small surface grinder, it's i overall good order but some idiot has at some time lowered the wheel o to it and put a mark about 5 thou deep on the surface. I know nothin about these things but it looks slovenly, would it be OK to grind thi out or would it mess things up ? Davi -- stereotyp >Just bought a magnetic chuck for a small surface grinder, it's in >overall good order but some idiot has at some time lowered the wheel on >to it and put a mark about 5 thou deep on the surface. I know nothing >about these things but it looks slovenly, would it be OK to grind this >out or would it mess things up ? David Quite alright to grind it. The correct way is to mount a chuck on a surface grinder than take a light facing cut to ensure it parallel to the bed. Again these are trimmed when scratched and dinged. -- Regards, John Stevenson Nottingham, England. Visit the new Model Engineering adverts page at:- http://www.homeworkshop.org.uk/ > Just bought a magnetic chuck for a small surface grinder, it's in > overall good order but some idiot has at some time lowered the wheel on > to it and put a mark about 5 thou deep on the surface. I know nothing > about these things but it looks slovenly, would it be OK to grind this > out or would it mess things up ? David David, When first mounted a magnetic chuck should be 'ground in' anyway to ensure it is truely flat. Clean up the bed of the grinder and stone it to remove any blemishes. Put the chuck on upside down and clean up the lower face with a very light sparking out skim. Then install the proper way up and clean up. Whether to take to full five thou off is debatable though - there should easily be enough meat in the chuck to do it unless someone has done it many times before! AWEM > Whether to take to full five thou off is > debatable though - there should easily be enough meat in the chuck to > do it unless someone has done it many times before! Somehow I think to remember that there are 2mm to grind off. At BMW, where I made a practical training, I once had to do some work on the surface grinder. As the magnetic chuck was quite abused, I asked wether I can grind the chuck. "Yes, it would need it, but the boss doesn't allow it!" 8-/ Nick  Signature*********************************** *** Available now in NZ and AUS *** *********************************** <http://www.yadro.de> Thanks for your help, youv'e put my mind at rest, didn't want to rui it. Davi -- stereotyp > I know nothing > about these things but it looks slovenly, would it be OK to grind this > out or would it mess things up ? That is common practice. Nick Signature*********************************** *** Available now in NZ and AUS *** *********************************** <http://www.yadro.de> |
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