Dro Pros Magnetic Scales ?

cooters · Dec 9, 2017

I know Dro Pros are great for helping but I thought I would search here and did not find anything. I am trying to find out if the reader face is suppose to drag on the scale face , or if there is a clearance between the 2. I pulled this off our Bridgeport mill and putting it on my Jet clone. I am not a machinist so I got a little lost on the Dro Pros page. Has somebody got any suggestions of what not to do? The fellow that mounted it when it was new a year ago is no longer here. Thanks for any input. Dennis

winger · Dec 10, 2017

If you have the original paperwork, look for set up blocks. The Accurite I installed had plastic retainers that held the reader in place while shimming it to fit the mounting block.
Probably not the right subforum for this question.

Dave

Illinoyance · Dec 10, 2017

The DRO Pros magnetic scales use a plastic shim for setting the read head clearance. A call to DRO Pros could probably get you a couple shims.

cooters · Dec 10, 2017

I cannot find the original paper work. But I will call Dro Pros, as I may be ordering something else anyway.I appreciate the input, just not wanting to screw up anything.I might even order a Dro for my lathe. My Mitutoyo Dro started messing up with the X scale so I retired it. It has been a great one. The Y scale and Monitor still good, and I can make the X scale read when off machine but it is 25 years old, so not sure what to do with it. Thank you everyone for your input. Dennis

Bondo · Dec 11, 2017

I have the installed them last year on my bp and lathe. There is a small piece of plastic that is supposed to be a spacer when installed. It should be the same thickness as the wipers on the readers. It's like 5 or 10 thou I think. The gap isn't really as important as the gap on each side. Just make sure that it is consistent in both sides.

Sent from my 2PS64 using Tapatalk

cooters · Dec 11, 2017

Apparently I have it close to right. It is all working and I checked it against the manual dials and it appears to be right. I did have one small issue. I went out and switched it on and it would not zero out for me. So I switched it off for a few seconds switched it back on and all worked as should. Not sure why it did that but its a computor and I always have a problem with them. LOL. Thanks everybody for the input.

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