Gallery, Projects and General > The Design Shop

6X26 Milling Machine riser block

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cjoscelyn:
If you go to www.charliejoscelyn.com, 6X26, you can follow a photo trail of the mods I have completed. I have not added the write-ups yet, but I'm sure the pictures will tell the story.

Bernd:
Charlie,

A bit  :offtopic: here but I checked out your web site. I really like your shop, Nice. I like that press you built and I was impressed with that column you had between chuck and center. What did you turn round on that?

Wish you well on your retirement this year. :beer: Looks like it'll start in July.

Bernd

John Stevenson:
Charlie,
There was a post on the HSM group about 4 or 5 months ago of a machine shop sale on Craigs list, one of the machines was a bridgeport that had the same mod done to it.
The guy who owned the shop had done a lot of specials but I can remember that this one was a casting and not fabricated. I did notice that he'd also used a spare Bridgy J head as a power source.

John S.

Powder Keg:
I have the Enco Version of that mill. I pulled the head off and measured things to get my measurements. They were a little different than the ones I found o the net.

I like how you increased your travel!!! I'll be doing that soon now. Thanks for sharing. I'd like to see a write up on how you added the power feed. I was too cheep and didn't get that. I have an aftermarket one like yours that I need to mount. Your way looks nicer than what I was going to do.

cjoscelyn:
To add the Chinese generic power feed I just made an aluminum extension spacer that matches the diameter and bolts (4 countersunk bolts) to the left bearing housing, this is the key component. You will want this piece long enough so that you don't lose any of the increased "X" travel that was gained in the previous mods by prematurely hitting the knee casting. I also turned a shaft extension to fit the threaded feed rod. The shaft is .629" if I remember correctly and the power feed gear bore is 5/8", yours may be different. I filed a flat on the feed shaft and set screwed the extension. In hindsight, I should have made this extension shaft about two inches longer in order to fit a left hand turning handle. I plan on making another. You will also have to turn, bore and fit some internal spacers  to fit. The instructions provided with the power feed were actually good enough to visualize what I would need once the aluminum bearing housing spacer was developed. The power feed unit also bolts to the aluminum extension via 4 tapped holes. I bolted the limit switch stops to the outside edges of the Shooting Star DRO scales. Because of the limit switch central position I had to add the 1" thick aluminum spacer to the "Y" axis bearing housing so as not to lose the increased travel that was gained by opening up the "Y" feed nut channel.

Hope this helps, if not I'll be glad to answer any other questions.

Charlie

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