Finished!- Lathe Chuck adjustable t-slot stand-offs

[Janderso]

I saw Tom Lipton's version and simplified it to my hobby shop standards.
4140 was the material I used.
The pieces were hardened today using an oxy acetylene torch and light oil.
Everything fits correctly. I'm pretty happy with the end product, this was a bit of a stretch for me.
I was looking for consistency and proper function. I give myself a C- for the overall project. The first prototype has much larger chamfers.

I learned a bunch, better next time.

 

[darkzero]

Nice job!

I wish I had t-slots on my 4-jaw. But apparently 4-jaw chucks only come with t-slots for 10" & larger chucks, mine is only an 8".

 

[DavidR8]

For the newbies in the crowd (that’s me!!) what/how are these used?
(Very nice work by the way!)


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[darkzero]

They're used for chucking short pieces so they are parallel with the chuck face. Also prevents short pieces from getting pushed back when there's not much clamping force on a thin part as well as locating (repeatability) so the part can be removed & reinstalled. Think like parrallels in a milling vise. They're called chuck stops.

There are many commercially sold variations & they can get quite pricey. The style Jeff made are adjustable. Some people drill & tap the chuck body so they bolt right onto the chuck. Check out Rob Renzetti on how he made his.

 

[DavidR8]

Oh that’s very cool!
I’d be really nervous about drilling into the face of my chuck (at this point in my learning journey anyway...)


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[darkzero]

I’d be really nervous about drilling into the face of my chuck

Me too! That's what's great about Jeff's, no need to modify the chuck, they mount using the existing t-slots on his chuck.

 

[MontanaLon]

Oh that’s very cool!
I’d be really nervous about drilling into the face of my chuck (at this point in my learning journey anyway...)


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Joe Pi makes it easy.

 

[Dudemanrod]

Nice job Jeff ! If I did those I would give myself an A lol but I have low self esteem so I have to always give myself high Mark's ha ha

 

[DavidR8]

Just watched Rob's vid. Really good stuff.

 

[Richard King 2]

Jeff is a pretty cool dude too...