lathe chuck for holding on milling machine
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  1. #1
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    Default lathe chuck for holding on milling machine

    Just curious whether any of you have used a lathe chuck (mounted to table) to hold a cylindrical work piece in vertical position for milling?

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    Yes, have done so many times. We just ordered 4 6" chucks to mount on a fixture plate for this purpose on our CNC.

  3. #3
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    Yes. This is a 12" chuck holding an 8" part. Atlas workholding makes a chuck specifically for mill use, I just use standard lathe chucks.


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    Yep, works good. Use them for vertical, horizontal, and angular workholding. Use them on RT's and angle plates as well. For a lot of stuff a good 6" reversable 3 jaw scroll Buck chuck works good, but depending on work I'll use up to 12" chuck on the mill. You can make yourself a nice adapter plate, you don't have to have one, but they make things much easier = quicker.

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    Awesome feedback! Next up is an adapter plate!

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    Bison makes a nice adapter plate for their flat back lathe chucks.
    I have a dedicated 8" chuck on that base for mill work....Not so important to have a "trick" chuck here if its mill service.
    On the mill you center on the part so even a chuck with run out is fine so long as the jaws are not bell mouthed....
    Get a chuck with two piece jaws so that you can fit soft jaws and bore true for work if needed....

    Also mount my front line lathe chuck on the mill if i have a turning job where i wish to be true to the turned part...
    My primary lathe chuck is a 200mm Schunk.."Rota-G" .D1-6.mount....simply remove the chuck, unscrew the cam pins (i number them and put a mark where the pin meets the chuck back to make refitting easier.).. and put the chuck directly on the mill table, couple of hold downs and you are good to go....

    Cheers Ross

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    I have a spare 10" Rohm chuck, brand new, that'll work nicely for this....

    Your idea of moving the chuck from lathe to mill for retaining accuracy is great! I have very similar lathe chuck setup, DIN 55027/5 mount so same deal to unscrew the cam pins.

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    Most rotary tables have a nicely machined center hole that can be used to locate a chuck with a mounting plate and a stub arbor setup.
    Bill D

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    Good idea.

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    Quote Originally Posted by drcoelho View Post
    Awesome feedback! Next up is an adapter plate!
    Cheapskate time

    If you need a largish dia disc of high quality CI, look for a car engine flywheel at the recyclers etc etc

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    Quote Originally Posted by drcoelho View Post
    Awesome feedback! Next up is an adapter plate!
    If you notice the photo in #3, they just clamped the chuck to the table. No back plate. Two or three mill clamps. Been doing this for a long time.

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    Quote Originally Posted by Mud View Post
    What do you have on those jaws? Grippers?

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    An 8" flat back is E1 on my Fadal. I do lots of round stuff.

    Sent from my SM-G973U using Tapatalk

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    Quote Originally Posted by Mtndew View Post
    What do you have on those jaws? Grippers?
    Yes, screw in carbide tipped grippers. Carr Lane I think.
    Y

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    I keep a 8" 3-jaw with two 1/2" holes in the body just for the mill. It is a flatback I picked up at auction.

    JH

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    I have a 4" chuck mounted on a ground plate for small parts. Just stick it in the vise.

    Old 10" W&S A2-8 mount. No mounting plate. Run two studs through the chuck body directly to the tee nuts.

    Have soft jaws for the 10" and two 6" chucks. Easy to interpolate/bore the jaws.

    Bill

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    Quote Originally Posted by Bill in PA View Post
    I have a 4" chuck mounted on a ground plate for small parts. Just stick it in the vise.

    Old 10" W&S A2-8 mount. No mounting plate. Run two studs through the chuck body directly to the tee nuts.

    Have soft jaws for the 10" and two 6" chucks. Easy to interpolate/bore the jaws.

    Bill
    I use one of these
    RDX Horizontal & Vertical Indexing Fixture

    indexer.jpg

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    Yep, used to use a collect chuck to mill square heads on pins, sets of 100 on a semi-auto CNC


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