Pretty simple question -
I’ve been relying on existing non-used holes in my 770M to mount two MQL/MIST fog buster arms. Works OK but position is not ideal.
- Any info or perhaps CAD for the casting so I can avoid a serious mistake?
- Suggested places to mount the blocks for the arms for the fog busters?
I can see some obvious places that I should avoid drilling into the head casting, but would like a better idea of what’s on the other side. Holes are going to be small and not drilled deep (of course) then tapped.
Currently I don’t have an ATC or flood. I’ll take a good look at where and how they attach before I choose final locations. That said, it is likely to be a while if ever before I add either of those. So my current location choices will be based more on my experiences with sub-optimal current mount locations.
Thanks.
I have the same setup you do only on an 1100mx
why not replace the crappy magnet that comes with fog busters
thats what I did - rare earth from Mcmaster - they a bitch to even move, let alone get off
I have a dual setup also - one one each side of the head
Ed
Oh yeah, the mag base that’s standard is a bit of a joke.
I’ve got the multi-swing arm with rod holders that have holes to bolt them right on, that’s what I did with my bench top mill.
Does your spindle have a tapped hole in the collar?
I think it’s usually on the back. I don’t think it does anything. Like 95% sure.
I used super strong round magnets to hold the arms. Works really good for me! Any flat portion of the head can be used based on what the work piece requires.
Do not use the spindle hole that is a direct path to allow contaminants into your bearings.
A while back I received this information from the Tormach tech support regarding the screw in the spindle hole: “That screw is actually for adjusting bearing preload without disassembly that we use during testing. […] The screw should never be adjusted.”
Thanks for that info, definitely good to know, however the hole in the spindle collar in the photo above does not exist on my recent 770M - so it’s a moot point for my question.
Any comments about adding small (M5 - shallow thread) to the angled faces (see my photo in thread) of the spindle head casting on a 770M? I could just make something that clamps on to the spindle collar, but it would be easier and more direct to be able to just bolt the mist coolant arms to the head.
I think a few inches up on the casting front angled sides would work well for positioning the mist coolant guns and also be out of the way if and when I ever add flood coolant. The ATC is another thing all together, but looks like I could stay out of its way also.
Here a couple of pictures:
In the second, you can see how I borrowed a pre-drilled and tapped hole (probably related to installing the ATC) to mount the mister arm. I’d like to just move it to the red X.
First photo shows both sides, one on the right is using an existing hole on the bottom side of the spindle head.
