Gallery, Projects and General > Neat Stuff
Micro DRO made from tyre tread depth gauge
PeterE:
--- Quote from: BillTodd on August 05, 2011, 07:29:46 AM ---
--- Quote from: PeterE on August 03, 2011, 01:18:36 PM ---Does a left-hand version exist or can the read-out be turned upside-down?
That would be ideal for a high-precision saddle-stop I think?
BR
/Peter
--- End quote ---
Just arrange for the 'probe' to extend from the back/top instead of the bottom/front.
--- End quote ---
Yes of course!
Thanks a lot for that, seems like I will get one as well!
BR
/Peter
AR1911:
I don't see those anywhere near that cheap on ebay at the moment. But I just got in 4 6" digital calipers for $5.99 each so I'll devote a couple of those to DRO duty.
I'll make one of these when I see them at a cheap price again.
John-Som:
Here in the UK prices on eBay currently range from £4.99 with free shipping to over £50.00 plus shipping from the more optimistic traders.
It's a neat idea and for those of us machining mainly in brass, aluminium and stainless the use of earth magnets shouldn't pose too much of a problem.
John-Som
Marauder:
Yea i have also just ordered one from EBay £5 inc P/P.Now i must look again and buy some of those magnets,,I was thinking of just araldite on the mags to the rear of it. (don't know if that's poss )Then installing the spring on the round probe with a collar on it close to the end.That way i don't have to open the thing up.Mind you when i receive it and give it the close inspection i may have to mod it like in the pics.
BillTodd:
Just a couple of words of warning about using magnets to fix things onto machine tools:
While they won't magnetise the iron, they will magnetise any steel swarf and dust, making it stick to the bed and a pain to clean off.
If you knock the magnetically attached thing while the machine is in operation, Sod's laws states that it'll be attracted to the the thing that'll cause the most harm (e.g. the chuck) .
Rigging these things with a clamp might be a better option.
Bill
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