Tapering disc grinder plate on lathe like Luke Swenson slipjoint video

ashwinearl

ashwinearl

Joined
Nov 9, 2006
Messages
521
In Luke Swensons video on slip joints, he explains how he tapered the back of his disc at an angle on a lathe. This provides clearance to grind the back square at a slight angle. I currently have a cheap 1x30 with small disc grinder, and want to get the nice Trugrit one.

I don't know if this is allowed here, or if I should post this in the custom shop services offered page.

Is there someone here with a lathe who I could hire to help me accomplish this tapering?
Thanks.
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A risk of displaying my aptitude towards terrifying shop practices, I actually accomplished that with my 1x30 sander. I ran the disc grinder at fairly high speed, ran the 1x30 with a low grit belt on it, then held the 1x30 machine in such a configuration as to grind the clearance angle on the disc. The angle does not need to be perfect to achieve the goal here and this worked for me.
 
Sean Yaw said:
A risk of displaying my aptitude towards terrifying shop practices, I actually accomplished that with my 1x30 sander. I ran the disc grinder at fairly high speed, ran the 1x30 with a low grit belt on it, then held the 1x30 machine in such a configuration as to grind the clearance angle on the disc. The angle does not need to be perfect to achieve the goal here and this worked for me.
Click to expand...
I was thinking of doing something similar with the disc that is on my combo 1x30/disc. Taking the disc off the 1x30 and seeing if it will chuck into my drill and then take it to my 2x72 and grind the taper. or tightening the disc onto a drill rod and putting that in my drill
 
I'm with Bill, just run the disc grinder and add taper the edge with a bastard file. I suppose an angle grinder would speed up the main hogging and a file would clean it up.
 
I did as Bill n Stacy suggest on mine, easy peasy. Used three,12” files as I rushed it and clogged the file teeth pretty bad. but it worked well.
 
I have the disk from True Grit. It already has a slight back taper and gets 98% of the extra meat out. From there I go to my back beveled flat platen to get them 100%.
 
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