Index 645 with slotting head

basicfish

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I have recently acquired a 645 with a slotting head. It had set in a corner of an oilfield shop for years. It was the smallest machine in the shop.
I had a Index 555 several years ago, made and repaired many things with it.
So back to the 645, it’s missing the knee crank handle, it takes a 6 segment one unlike a Bridgeport that uses a 9 segment. So anyone have a crank handle that fits a 645?
The quill is not R8 but missing the draw bar. (Well it turns out that it’s a B&S9)
my old 555 used a length of all thread, I may go that if I can’t find the proper one.
I did lots of work with the B&S9, and er32 collets, looks like I will be there again.

As far as the slotting head, it works has a single phase motor and I have no idea how to use it, and advise will be appreciated. I pulled the slotter off the mill, it fit on a engine stand.
 

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Last edited:
More pics of the slotting head. It seems to be missing a cover
 

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Nice looking machine.
 
At a guess, the slotting head would work like a broach, shearing a sliver from the surface being slotted, then move the table .001 and repeat, until your slot is long enough.
 
Your best bet for finding a knee crank is to call Wells-Index and see if they have one. While you’ve got them on the phone, ask them about regrinding your spindle to R8.
 
I own a 645 W/ power feed. it’s a great machine. I could send you pictures and measurements if needed for a fab project.
 
I would like to thank everyone for your replies. turns out I was mistaken on what what taper spindle is, its an R8, so big win with that. I haven't gotten the knee crank, a few other projects have jumped the line and the mill is kina on back burner.

hopefully by spring break I can get back to working on it.
 

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