Haas 310 Rotary Chuck

We picked up a nice (albeit stuck at the time) Haas 310 rotary table and have got it cleaned up and in good working condition again. We have a job that we're looking to use it on, but need a chuck attached to it, as it only has the face plate at the moment. I have a new 12in Bison 3 jaw that I would like to attach and have been looking at options for setting it up. At this point, I'm considering getting a 12 inch cast iron blank back plate, machining it to fit the chuck and bolting it to the chuck, then using a piece of bar stock and mounting the the Bison chuck in the manual lathe using the bar stock in order to machine a shoulder on the back surface of the back plate to a slight interference fit into the face plate on the rotary.

Not looking to reinvent the wheel if there is a better way, so thought I would ask how others would do it? I've priced the chuck setup from Haas, so I'll pass on that. Other ideas?

I also have the 310. I went and bought an extra rotor for my silverado and customized that to fit the rotary and chuck. I bolted on a collet chuck not a 12" chuck tho.

I bolted my chuck right to the faceplate. I incorporated an 'adjust-true' feature: I made 3 special long T slot nuts. These had a shoulder on the top side sticking above the face of the rotary table by enough to snag the locating surface in the back of the chuck. Then I drilled and tapped a long hole in the main body of the nut so that it had a setscrew bearing against the inner end of the T slot. This is the push screw which creates the pressure needed to alter the centering of the chuck body.

Then I modified the chuck by drilling 3 holes through it and counterboring to take a 1/2" allen head capscrew through the front, and into 3 normal T slot nuts in the other 3 slots of the faceplate. So I can loosen those off just a tad, and adjust the (cheap) chuck I used to get it on center, slackening and tightening the other 3 push screws as required.

MaxPrairie said:

I went and bought an extra rotor for my silverado and customized that to fit the rotary and chuck.

Click to expand...

Redneck injuneerin at its best!

Thanks very much for that idea, I'm going to give that setup a try since I'll be able to indicate it in using your setup. Appreciate the help, will report back on it's progress.

We have a 210 but we use a turned hollow "plug" that fits the register on the chuck and the thru-bore on the 4th and then everything is snugged down with t-nuts. There's a little bit of play and we can adjust that by knocking it around with a deadblow before snugging everything down tight.