The nominal sizes of a GO-NO-GO plug gauge to inspect a 30- 0-18 mm diameter hole is to be designed- The wear allowance is 3The nominal size of the NO-GO gauge is mm

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Three Pin Plug

The nominal s...

Question

The nominal sizes of a GO/NO-GO plug gauge to inspect a $30 \pm 0.18 mm$ diameter hole is to be designed. The wear allowance is 3% of the entire tolerance band for the inspected feature.
The nominal size of the NO-GO gauge is (mm)

30.1692

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29.8308

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30.18

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29.82

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Solution

The correct option is C 30.18
NO-GO gauge will inspect the maximum hole diameter

$= 30.00 + 0.18 = 30.18 mm$

No wear allowance is added because this gauge should not fit in the hole and wear away.

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The nominal sizes of a GO/NO-GO plug gauge to inspect a 30±0.18 mm diameter hole is to be designed. The wear allowance is 3% of the entire tolerance band for the inspected feature. The nominal size of the NO-GO gauge is (mm)

The correct option is C 30.18NO-GO gauge will inspect the maximum hole diameter =30.00+0.18=30.18 mm No wear allowance is added because this gauge should not fit in the hole and wear away.

The nominal sizes of a GO/NO-GO plug gauge to inspect a $30 \pm 0.18 mm$ diameter hole is to be designed. The wear allowance is 3% of the entire tolerance band for the inspected feature.
The nominal size of the NO-GO gauge is (mm)

The correct option is C 30.18
NO-GO gauge will inspect the maximum hole diameter

$= 30.00 + 0.18 = 30.18 mm$

No wear allowance is added because this gauge should not fit in the hole and wear away.