Gallery, Projects and General > How do I??

Alternative to backplates

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John Stevenson:
I have a 4" 3 jaw SC chuck mounted on one of these.
had it ages, bought from J&L, comes in handy at times especially when the infernal jaws on the 6" or 8" chuck are too big to go into somewhere.

I have bought a few of these blank 5C's over a period of time for specials, the 5C to ER 32 collet chuck that ARC sells started life as one of these.
I also have a 5C to Myford thread for odd jobs as well, but the thread and register won't fit the blanks as sold - too short

JS.

bogstandard:
Yes Darren,

That was what I was looking at, but John has just put the dampener on it as he says they are too short to machine the thread and register on them, and he should know.

So really, if you get one at 2" diameter, extend the blank bit on the end (threaded and with engineering adhesive) then machine it to size required.  I should think there would be no major problems as most to the pressure is taken on the back face and register.

Or do as you originally planned, and fit a 4" chuck onto the larger one by treating it as a backplate, but that is admitting defeat.

John

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