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Anyone have this ER-32 collet adapter?

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dlane

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#2
No and no , but I would think you could find a er 40 collet chuck collets and backing plate that is less expensive with specs on runout
 

Aaron_W

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#3
Not familiar with the vendor, but the price doesn't seem too out of line of it is a quality chuck and collets.

My Beall ER32 collet chuck was $160 with 5 collets, add another $38 for two additional collets and it would be almost $200. There is a little more going on with that one due to the backing plate mount.
 

pacifica

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#4
These are specs I would look for: set-tru type adjustment, at least er40 size, through hole at least 1".
To register the backing plate within 2 or 3 ten-thousandths may not be that easy.
I also would be looking for a runout claim of .0002 or less.
I am not sure ebay vendors care or understand that you need that amount of precision.
 

wa5cab

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#5
I haven't used that particular collet adaptor but I've bought several things from Joel, both original Atlas (like a 12" Tailstock Turret) and that he made (like a vertical head for the Atlas mill. I've found him to be reliable and a good machinist.

I won't comment on the price but I think that some of you are being unreasonable and/or too picky about the whole subject. He lives in the USA, not China. The only reason for using the more expensive ER-40 collets and having a 1" through hole in the chuck would be if you needed to machine a lot of short parts larger than 3/4" diameter. I don't know of any lathe with a 1-1/2"-8 spindle nose that will take more than 3/4" through the spindle. Anything larger than that would make for a fragile spindle.

He obviously can't honestly quote any runout specs because he has no control over the precision machining abilities or lack thereof of a buyer. If the buyer totally botched that job and didn't come close to the quoted specs and wanted to make the seller eat it, eBay today would gladly let him. I haven't encountered an eBay employee since about 2008 smart enough to be capable of understanding why that would be obviously unfair.
 

francist

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#6
I've purchased a few things from Joel in the past and have not been disappointed. He's always been a pretty straight up guy to me. My ER25 collet chuck is one I bought from his store (MyMachineShop) and it works for what I do. I don't think he offers it any more though, it was one that threaded directly onto my 1-10 spindle. As for the particular one being referenced above, I can't speak to it.

-frank
 

tomw

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#7
Thank you all for your replies. I think I might try it. If I do, I will post some thoughts.
 
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