Black Diamond Drill Grinder Manual
Posted By admin On 19.01.20
Black & Webster Drill Grinder
Black Diamond Drill Grinder Manual
I recently acquired a Black Diamond BW-55 grinder - photo attached. As with so many used machines it came complete with no manual and almost fully out of adjustment. After reading the 1960's manual I had some insight and ground a drill with a very unusual shape on a 3/8' drill. Maybe a conversation piece, but it had no business in a drill chuck. I found that the post which the master collet pivots against was missing, so I made a new one. From reading a post here I learned that when a drill is correctly mounted using the positioning fixture, its position in the collet should allow it to just lightly touch the grinding wheel so that only a small amount of metal is removed.
Mine still had about 1/16' too much protrusion. I adjusted the positioning collet, but it was already at the inward end of its travel - no help there. The only thing left is adjustment in the base that holds the master collet for the actual drill grinding. I took it off of its base tonight and it looks like it should have 2 pins protruding into it the base of the machine - is this the case? I think I'm on the right course but any help would be appreciated. RE: The manual.
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How good is it? I am willing to buy one if it covers all facets of setting up and using the machine, but if not I might just continue to rely on my own limited brain power and trial and error. Does the machine need any oil, or would it just trap grit? Thanks, Michael.