Machine chucks 1 3/8" bore for Taig based Cue Lathes

customcuelathe

AzB Silver Member
Silver Member
Not posting a for sale item, just looking for some feedback, I made this headstock for one of my customers, and was wondering if there is an interest in this, the chucks back plate is fitted to work on all the big bore heastocks that uses taig chucks. Please give me your honest opinion, pros or cons for using machine chuck like this one vs soft aluminum chucks like taig,
Best Regards
Ps: distance from chuck jaws to chuck jaws is 12.2"
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If you use tapered Timkin bearings and you get a thou of run-out on each side, it'll be good.
Those soft aluminum chucks are good for playing cards shimming training.
 
If they'll actually hold a piece of ferrule without slipping, then the look allright to me. Like joey mentioned though, what kind of runout are you getting? Are these gonna cost half as much as a lathe?

Chris
 
OK MUCH BETTER, i think your on a better path with this idea, than copyying other taig ideas.

now if you could get a set tru 6 jaw on there :-)

im curious what your run out is as well?
 
If you use tapered Timkin bearings and you get a thou of run-out on each side, it'll be good.
Those soft aluminum chucks are good for playing cards shimming training.

4 aw chucks could also be adapted, as well as the griptrue /adjustable series of 3 jaw chucks.
The other option is to make either a ER40 or ER50 collet chuck that can interchange.
I made a couple of ER40 collet adapters,with some acetyl collets as needed,and I am very happy with it.The down side is the ER40 is limited to a max diameter of 30mm.The are an easy collet to make, 8deg per side(from cl axis) for the body and 30deg/side (from cl axis)for the front cone(60 deg from square) with a groove for the nut extraction.
I also put a register pin in the body so all the collets are referenced.
You just get a blank and bore out what is needed, tapered straight, reverse tapered, what ever is needed. Just a few slots with a hacksaw is all that is needed to close them up. On things that fit neatly, you cam use them as distortion collets, where by you just do the nut up tight with the spanner and the collet distorts holding the part.
There is lots of options.
Of course you could just buy the ER40 collets as well which I have also.

I do like the small print of the taig type chucks, just not their repeatability.

I have the Ø39.6*32tpi thread with a Ø40 register for the 1st 2mm from the bearing.This is because there is quite a range in the Taig thread from a nominal size.
The Taig chucks were set up and a register turned into them so they will interchange on the headstock.
 
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4 aw chucks could also be adapted, as well as the griptrue /adjustable series of 3 jaw chucks.
The other option is to make either a ER40 or ER50 collet chuck that can interchange.
I made a couple of ER40 collet adapters,with some acetyl collets as needed,and I am very happy with it.The down side is the ER40 is limited to a max diameter of 30mm.The are an easy collet to make, 8deg per side(from cl axis) for the body and 30deg/side (from cl axis)for the front cone(60 deg from square) with a groove for the nut extraction.
I also put a register pin in the body so all the collets are referenced.
You just get a blank and bore out what is needed, tapered straight, reverse tapered, what ever is needed. Just a few slots with a hacksaw is all that is needed to close them up. On things that fit neatly, you cam use them as distortion collets, where by you just do the nut up tight with the spanner and the collet distorts holding the part.
There is lots of options.
Of course you could just buy the ER40 collets as well which I have also.

I do like the small print of the taig type chucks, just not their repeatability.

I have the Ø39.6*32tpi thread with a Ø40 register for the 1st 2mm from the bearing.This is because there is quite a range in the Taig thread from a nominal size.
The Taig chucks were set up and a register turned into them so they will interchange on the headstock.


I like the idea of the collet chuck(s) as well. IIRC the TG style goes up
to 1 1/2 inch - plenty big enough for either end of cuemaking.

ER collets of Acetyl, or Delrin, as its called on AZB, are on my
do-one-of-theses-days list.

Dale
 
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I like the idea of the collet chuck(s) as well. IIRC the TG style goes up
to 1 1/2 inch - plenty big enough for either end of cuemaking.

ER collets of Acetyl, or Delrin, as its called on AZB, are on my
do-one-of-theses-days list.

Dale

I guess a TG style could be incorporated into the headstock of alot of the Taig sized spindles. With a nut that has 32 TPI, that is alot of leverage.The smaller closing range is not really an issue, as most have joint sizes fairly close these days. 1/2 doz collets will do most shafts and handle repairs.
I did not go that route, as ER40 is a very common collet to buy out here,and I did not have to make a nut either.

Bassel , it looks like more like a real headstock.
Neil
 
You were at the Beacon Hill Golf Club, weren't you?

I wish
I have been working on putting an auto feed on my tool box lll (B) for one of my customer's special order.
Ironically my house is at T-Box 14 and I only golfed once the whole summer, it's been work, then work again and then some more work until I could burly stand, then I go to bed and do the same thing over the next day 7 days a week.

Regards


---
I am here: http://maps.google.com/maps?ll=42.610882,-83.533021
 
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lathe chucks

Sure those logs are fine, but I need to lessen the weight to ship. Our lathe will be on the market later this year with more options than most.
 
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