Mmc

Can’t believe most inspectors and especially engineers don’t know this!

On a hole diameter MMC = Actual measured hole size minus the smallest allowable size which is the MMC condition… max material.

So for TP .5 on a 10.0 +/- .5 hole that measures 10.1
You get .6 Bonus (actual size 10.1 minus the smallest size 9.5 = .6) this .6 extra tolerance is then added to the given .5 TP tolerance for a grand total of 1.1 tolerance.

For a solid pin or outside cylinder it’s outside diameter, same concept. Largest allowable size minus the actual = Bonus Tolerance.

BONUS TOLERANCE =
DIFFERENCE BETWEEN MMC SIZE AND ACTUAL SIZE! ADDED TO GIVEN TP TOLERANCE IN THE FEATURE CONTROL FRAME.

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DAN_M over 1 year ago

in wrestler voice:

"The only standards we use here are Thunder" *points to arm*
"and Lightning" *points to other arm*
" now stand back unless you want to get caught in 'The Storm'!" *flexes wildly*

Hulkamania Voice:

"H3LL YEAH BROTHER"

"You're here with the jet riding, wheelin' dealin', apple watch wearin', programmin son of a gun. And its hard to keep these gators down. WOOOO"
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DAN_M over 1 year ago

in wrestler voice:

"The only standards we use here are Thunder" *points to arm*
"and Lightning" *points to other arm*
" now stand back unless you want to get caught in 'The Storm'!" *flexes wildly*

Hulkamania Voice:

"H3LL YEAH BROTHER"

"You're here with the jet riding, wheelin' dealin', apple watch wearin', programmin son of a gun. And its hard to keep these gators down. WOOOO"
Cancel
Vote Up 0 Vote Down

Sign in to reply

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