Re: [mill_drill] Re: rotary table
- Prior to removing the second axis, the table shook pretty badly when I tried
rotating it under power to mill radii. Tightening the gibs did not eliminate the
problem. As I mentioned, removing the bottom axis and cinching down the top axis
tightly in the bottom dovetails has given me acceptable, though not perfect
> Hello William,
> Great idea with the removal of the X or Y axis!
> That actually could be useful, having one axis left. It would be like
> having a milling table that turns a few degrees, like the old Hardinge
> Horizontal mills.
> I think I will try removing one axis as well.
> Did you observe a noticeable change in the finish and stability removing
> that axis?
> A friend gave me an 8" Craftsman/Palmgren 8" XY table. I think the
> table itself
> is just the right size, but would not recommend an XY table for any
> milling. An XY table is perfect for a drill press application where
> you don't
> have a proper mill table, but redundant on a mill-drill. While
> suitable for
> drilling, the X slide and Y slide just add too much slop for
> milling. I removed one of the axes (fortunately the dovetails are
> the same on
> both axes), cinched down the gib, and haven't messed with the remaining
> too-tight cross-slide. The table produces acceptable radius mill
> cuts (slight
> surface irregularities).
> If I were buying, I wouldn't get one of these, but the price sure
> was right for
> me. And as I said, the 8" table is a very good size for my RF-30.
> I've got a
> plate to hold a 3" chuck on there right now. I made the backing
> plate out of a
> barbell weight, which I heartily recommend as a great cheap source
> for all your
> cast iron backing plate needs.
> --William A.
> gmiller243 wrote:
>> I also have an 8" rotary table. I bought the 8" w/indexing from
>> Harbor Freight. I haven't used it a lot, but it seems to work fine. I
>> bought this one because it has indexing and I can mount a 6" chuck to
>> an 8" plate and bolt it to the table. It is heavy, and I'm thinking
>> about getting a 6" w/indexing also, to mount my 4" chuck that's
>> mounted to a 6" plate. But until then, the 8" will handle both.
>> Cheers, Mark