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Having worked many years in a production / prototyping machine shop I am reminded of dealing with "the engineers"! If a ten cent/ten minute solution is a possibility....well....we must first try the

??? I think so , sumtin like

Bill, isn't your wiring diagram missing some wires to terminal 1 and 4? I don't see how throwing the switch would reverse a motor. Ralph

??? ??? Pretty cool , thanks . I have one of the standard 6x48 with a 9" disc & its my go too when I start to sharpen a new HSS lathe tool . ??? animal

I do sharpening of various blade tools, using a Tormek T8.? Belt grinder is a modified Viel, 1x42.? I use the Viel mainly as a heavy metal remover, then move to the T8 for bevel refinement and

??? ??? Whats the purpose of reversing the motor on the belt grinder ? ??? thanks ??? animal

Yes, I think adding a set screw ball detent as shown in my updated drawing in the files section (

Just realized I have a drawing of a switch wired that way. It just shows the switch by itself. I think this is much more useful to my poor tired and mich-abused brain. THANK YOU!!! Bill in

It works nicely.? I've done this for my belt grinder using with a 1/2hp version of this variable speed brushed DC motor ( https://www.pennstateind.com/store/TCLVSKIT2.html ) where I added the DPDT

Absolutely would find a spring that offers more tension ....more pressure to the ball.? The spring has almost certainly lost some strength over the decades.

I’m located about 60 miles north of Dallas on Sherman, Tx.

The 8520 has been mine since 2008. It was previously owned by an elderly gentleman who used it as a drill press . The are two tiny table divets under the vise which I had never seen before because

Preliminary re-drafted drawing for the Direct Drive Coupler uploaded (

The following files and folders have been uploaded to the Files area of the [email protected] group. * /17 Drawings, Atlas or Craftsman Machine Parts/Atlas Lathe/Craftsman 101.21200 MK2

Move it from the top level folder section to the Atlas lathe section.

The following files and folders have been uploaded to the Files area of the [email protected] group. * /Craftsman 101.21200 Direct Drive Coupler 141-023.pdf (

??? ??? ??? Let me follow up on Brians post . Has it ever worked right since you have had the lathe ? Have you looked for & found any bur's or knicks ??? that can be limiting movement .

Please tell me more about your Clausing mills. Jim Irwin Austin, TX

That is a very fair warning/caution.? I've tried to determine if there is wear and have provided detailed photos for others perspective.? Do you see wear in the photos that could contribute to the

Ok...so someone has to say it....that design has worked perfectly fine for decades ......on tens of thousand of lathes. So.....if it were me....I would focus solely on determining what has changed