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Attention SL20 owners

david n

Diamond
Joined
Apr 13, 2007
Location
Pillager, MN
I'm going to make a batch of spindle liners for SL20s and soon to come SL10. If I get enough interest/orders my pricing will be as follows. $150 each or $125 each for 4 or pieces. I have ID sizes .500, .625, .750, .875, 1.000, 1.125, 1.250, 1.375, 1.500. The all tubes extend 7" beyond the draw tube with the exception of sizes .500, .625, and .750. They attach to the rear of the draw tube with 2 SHCS and have O rings for a snug rattle free fit. PM me if you're interested.
 

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Curiously, where in the ehck do you find a spindle liner from HAAS for under a hundred bucks? Got a part number? I knew some of there parts weren't terribly expensive, but that seems awfully cheap.
 
Is there something special about yours vs. the ones from Haas?

Theirs sell for $89 ea, granted, with a few less sizes than yours.

The Haas urethane liners are around $89.00 but are short and you can't get a 48" pice of stock in those with out it hanging out the back of the spindle. Their steel liners, which mine are similar to, are $259.00 each. I'd say mine are a deal compared to those.
 
Hello everybody,
I need to make a lot of parts from 4' long bars, O.D. is 1.750" we don't touch it, inside boring to 3.150" depth, eccentric tolerance is .005 ". I use a bar puller and put 3 plastic sealing rings inside the machine tube. There is almost no runout near the collet, but at the end of the bar it is about .01 ", but not always, sometimes runout is OK - .002", I cannot fix this problem. What to do? Can the Spindle Liner help?
 
Hello,
I need to make a lot of parts from 4' long bars, O.D. is 1.750" we don't touch it, inside boring to 3.150" depth, eccentric tolerance is .005 ". I use a bar puller and put 3 plastic sealing rings inside the machine tube. There is almost no runout near the collet, but at the end of the bar it is about .01 ", but not always, sometimes runout is OK - .002", I cannot fix this problem. What to do? Can the Spindle Liner help?
 
Another consideration, what is the bar doing while rotating at speed?
If it’s not stable it may be twisting the stock on the cutting end of the chuck while rotating. Even if it’s correct while running a dial indicator in it. It may be out of tolerance while boring,

I would imagine a tight tolerance liner would help.
 








 
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