| The Breakroom > The Water Cooler |
| DTI finger |
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| mzt:
--- Quote ---It was three months before I realised the --- End quote --- six years. :palm: :palm: :palm: :palm: :palm: But I do see fun into the above icons --- Quote ---It needs a bit of force, which feels odd when the mechanism is so delicate --- End quote --- in fact: .... - "just swing the needle" --- "really?" - "Yep!" --- "Come to the shop! We'll check" .... --- "You see: NO WAY You can move the finger" - "gimmie" ... "You see: it MOVES". --- I see, :beer: Marcello |
| AdeV:
I discovered this trick fairly early on in my machining life, when I accidentally power-fed the mill table the wrong way - AARGH :zap: DISAST.... wait..... OOooh, that's neat :bow: |
| Jonfb64:
Just tried it, was only a tad scary it being such a delicate piece of gear. Once you get past the sweaty moment and realise its mounted on some kind of friction pad its a doddle. Marcello thanks for without you I would never have known :nrocks: |
| 75Plus:
While the finger is movable I have been told by more than one master machinist or tool and die maker that the greatest accuracy is obtained with the finger in line with the DTI body. Not sure why but I don't argue with experience. Joe |
| hopefuldave:
Quoting Joe: greatest accuracy is obtained with the finger in line with the DTI body End quote. I was always told that the reading matched the calibrations when the finger was at 10 degrees to the surface / displacement was 80 degrees to the finger? Although they seem delicate and fragile (and are if you drop 'em on the concrete floor!), the slipping joint makes 'em pretty robust when in use - the actual measuring mechanism hits a hard stop at each end of the +/- 15 thou" (or whatever). I've not tried bolting one to the lathe carriage and running it into Something Solid though! I use a sprung-arm holder, so it can get out of the way when I make (one of my frequent) mistakes :) Dave H. (the other one) |
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