Quote:
Originally Posted by wdfifteen
Our long arm quilting machine has a tiny little 2 1/2 inch wheel that is used to move the sewing mechanism manually when you are making timing and other adjustments. You have to pinch down on the OD of the knob, push it in to engage the clutch, and then rotate it to get the machine to turn. There is a lot of machinery in there, and it's a painful effin' bear for a guy with arthritis in his hands to turn it all. (this is an "after" picture)
So I made this little do-dad to screw onto the knob to make life easier. Yes, I nicked the edge of one of the holes with the end mill. I never claimed to be a machinist.
A perquisit was the fact that I needed a decent drill press to do work of this accuracy. The POS floor model in the barn was too old, too rusty, and the chuck was too inaccurate for this job, so I got to buy a new tool - a bench mounted drill press with a decent chuck!!
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Take the piece you made off and just put a nice chamfer on the counter sunk holes. You can use a larger diameter drill bit if you don't have a chamfer tool. You really don't want those sharp edges of the countersinks around your fingers anyways.
Nice work.