steady rest with Chuck

I noticed that.....

I saw that feature in his lathe auction. Looks like a neat idea. Is he selling just the steady rest now? Do you know what the "thru hole" diameter is?
 
I agree, but......

Cuetips said:
I think you would get btter bang for your dollar with MICRO CUE SMITH II?
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I agree about the lathe (actually I'd go for the Mid-Size).

We're just talking about the steady rest he built that uses a chuck instead of a bearing and different sized collets.
 
I wonder if he has ever broken a shift by twisting it related to the extra weight drag. Especially by hitting reverse by accident and then switting to forward motion.
 
If it is the same chuck as what is in the headstock I dont see the advantage.

Dont you use a steady rest because it centers more accurately than the three jaw chuck?
 
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I pretty sure it's the standard .343" Taig Spindle Hole, but that is why he placed a chuck in the steady rest, to allow for some collar and butt work.
Not as bad design, but no history for it, not like Chris's machines.
 
I see ... it is a three jaw chuck not a Jacobs.
That would be faster to set up than using collets but not as accurate.
If you needed accuracy.
 
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Chuck Steady rest.

The center bore is 1.398 inch. The chuck is accurate to 0.002 inch runout when turning a workpiece.
 
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tsp&b said:
The chuck is accurate to 0.002 inch runout when turning a workpiece.
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Is that .002" over the entire range of adjustment or just at one point?

I dont know for sure but I think a bearing in a steady rest is more accurate than that. Am I wrong here?
 
WilleeCue said:
Is that .002" over the entire range of adjustment or just at one point?

I dont know for sure but I think a bearing in a steady rest is more accurate than that. Am I wrong here?
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Willee,
Did'nt you just order a Deluxe Hightower lathe? Because thats the same chuck that he uses and thats how accurate that chuck is as well..
 
WilleeCue said:
If it is the same chuck as what is in the headstock I dont see the advantage.

Dont you use a steady rest because it centers more accurately than the three jaw chuck?
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No. improved precision is obtained by using collets, or a four jaw chuck.

The steady rest offers more flexibility. For example, a lathe that
doesn't have a thru hole in the headstock large enough to pass a
butt through the spindle, you can work on both ends using a
steady rest. This type of rotating-chuck-in-a-bearing steady rest
is both faster and much more flexible than a traditional three point type.

Dale<slower and less flexible>
 
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WilleeCue said:
Is that .002" over the entire range of adjustment or just at one point?

I dont know for sure but I think a bearing in a steady rest is more accurate than that. Am I wrong here?
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A quick Google of 'total indicated runout headstock chuck'
yeilded 244 hits - all will be revealed.

Dale
 
chucks and runout

Some are alot better than others.
I have 2 burnard griptrue chucks.
1 will repeat on a size to about 3/10 thou.
But can be as much as .0015 out at another diameter work piece. But they are adjustable. The other chuck is very good and will repeat to .0002 inches on a indicator and has less than .0004 on any diameter.These chucks have 3 points to correct to true. The range is small for adjustment about ,a total of 8 thou or so. They are quicker than a 4 jaw to indicate in.
Precision collets would be more accurate, but to be accurate is not cheap and not an easy setup.
I use a steadyrest with a ball bearing and tapered sleeves.It works for what I am doing.
Neil
 
Just picked one of these up, and after chucking up a butt that I've got to chop off the last 5 inches or so because of a crack, it runs awful friggin' true. I'm very impressed. I'll put a dial indicator on it in the next couple of days and give you something more than an eyeball and finger measurement. I can't see or feel any runout on the butt at all. Very cool idea.
 
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