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You mean something like Starretts 670 A & B Indicator Hole Attachments and 671 Universal Attachment. That said I always knew the 671 style beast as a Right Angle Attachment as that was the name given when I was first shown one.
Clive
Haha, that's a funny one!Can you show me some pictures? I don't know if i can make an accurate one, don't have reamers that small. I suppose you're right; I'm working in microns so any wobble would be critical. I just can't imagine how the chinese can fuck this up (I guess my imagination is not that powerful ..) .
while they can make-do in a pinch , a stem indicator w/ this gadget has to have tremendous force compared to a test-lever indicator . i have a federal apparatus , with
needle bearings and a pear-shaped (anti-cosine?) tip . it sucks . no matter which indicator i clamp it to ( mitutoyo 1" , helios 20mm , china no - name)
it's difficult to use . it does come in handy when setting up on a deep bore - when the bestest or last word 711 won't reach , but the heavy force
needed to drive the thing has to distort any expected accuracy.
i'd suggest buying a proper cheapo test indicator over a cheapo widget .
good luck.
All my test indicators are in tenths-thou-inch, while my dial indicators are in micron or better. I just want to indicate on 1xD max, for small holes
That's the one, thanks. I don't have money for a starret, are there any cheapo brands like Shars that sell it? I see some people call them 'hole attachment' on ebay.
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Can you show me some pictures? I don't know if i can make an accurate one, don't have reamers that small. I suppose you're right; I'm working in microns so any wobble would be critical. I just can't imagine how the chinese can fuck this up (I guess my imagination is not that powerful ..) .
It probably works OK at a $5 level.
whats a smart way to make the pivot for this contraption? two needles (one threaded) just pushing into dimples on the shaft?
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