Strange Item on my new to me Monarch lathe

kumaichi · Sep 7, 2018

Hi All,

Recently purchased a 16CY from a government auction, I get to pick it up in a couple weeks and was wondering if anyone knows what the box is that's attached to side of the headstock. I drew a red square around it in the pictures. From the pictures, it doesn't look like it's in bad shape but won't know for sure until I go pick it up, wish me luck

Craig

John S01 · Sep 7, 2018

Isn't that hoisting chain in a position to damage the lead screw?

kumaichi · Sep 7, 2018

John S01 said:
Isn't that hoisting chain in a position to damage the lead screw?

Indeed, I just hope they didn't actually hoist it up like that, or the lead screw won't be very happy

.

rke[pler · Sep 7, 2018

kumaichi said:
Recently purchased a 16CY from a government auction, I get to pick it up in a couple weeks and was wondering if anyone knows what the box is that's attached to side of the headstock. I drew a red square around it in the pictures. From the pictures, it doesn't look like it's in bad shape but won't know for sure until I go pick it up, wish me luck

Looks like half of a relieving tool. This would drive a modified compound to move in & out in sync with the spindle to relieve cutters and such.

manualmachinist · Sep 7, 2018

rke[pler said:
Looks like half of a relieving tool. This would drive a modified compound to move in & out in sync with the spindle to relieve cutters and such.

You beat me to it. I thought to use a relieving attachment you also needed a subhead stock to slow the work down enough.

kumaichi · Sep 8, 2018

Thanks for the help! I've never seen anything like that on a Monarch lathe before. Now that I know what it's called, going to go see if I can find any pictures, would be neat to see how it's used, not that I have a use for it though.

Thanks again,

Craig

I found this great thread with pictures of the complete assembly, knowing what to search for is golden!

https://www.practicalmachinist.com/vb/monarch-lathes/monarch-12-ck-163690/?highlight=relieving

BobRenz · Sep 8, 2018

I'm guessing that the chain was used to lift the lathe and was used between the chuck and the headstock.

I've never been happy when I see someone lifting a lathe that way, but it happens very often. I have seen it done with a lifting strap more often than a chain, though.

Cole2534 · Sep 10, 2018

BobRenz said:
I've never been happy when I see someone lifting a lathe that way, but it happens very often. I have seen it done with a lifting strap more often than a chain, though.

You should read the old thread in General Discussion about lifting lathes by their tailstock. It's full of ad-hominem attacks, strawman arguments, and some sheer buffoonery!

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Strange Item on my new to me Monarch lathe

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