Regarding chamfer tool to measure counter sunk hole

raviprakash · Aug 24, 2016

Hi,
Can anyone please help me out how to measure the countersink with following dimensions dia 10.01mm with 0.50mm tolerance and angle 100 degrees with 40 degrees tolerance as shown in the pic

Hazzert · Aug 25, 2016

I was going to suggest a ball bearing and some trig before I realized +/-20* wasn't a typo.

new_guy · Aug 25, 2016

What if you turn a plug to drop in as a no-go gauge? thats a very small part with very wide tollerances you should see that with a simple gauge

EPAIII · Aug 25, 2016

Probably going to take two go-no go gauges: one for the angle and one for the diameter.

But with such wide tolerances, why bother checking? The tools you use to make it should not wear out of tolerance in 100 years.

new_guy · Aug 25, 2016

Oh damn it again! India!

JNieman · Aug 25, 2016

new_guy said:
Oh damn it again! India!

Thanks for pointing that out. I was about to respond seriously.

Illinoyance · Aug 25, 2016

Cut a couple templates for minimum and maximum angle. The template has to be thin enough for the operator to see the fit on the angle. For a shot run even cardboard could work. Use go and not go pin gauges for the hole.

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Regarding chamfer tool to measure counter sunk hole

raviprakash

Plastic

Hazzert

Stainless

new_guy

Cast Iron

EPAIII

Diamond

new_guy

Cast Iron

JNieman

Titanium

Illinoyance

Stainless

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