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Part
II : Introduction to
Maximum
and Minimum metal condition
MMC
, LMC
 MMC
, Maximum metal condition
Maximum
material condition ( MMC ) may be considers as the condition
when the part weights the most. The MMC of a shaft is at the
maximum size of the tolerance and the MMC of the hole is at
the minimum size of the hole. For instance, the MMC of the
hole of Dia. 4+/- 0.02 mm is Dia. 3.98mm. MMC of shaft of
Dia.10 +0/-0.005 mm is Dia. 10.00 mm.
LMC
, Minimum metal condition
Least
material condition ( LMC ) may be considers as the condition
when the part weights the least. The LMC of a shaft is at
the minimum size of the tolerance and the LMC of the hole
is at the maximum size of the hole. For instance, the LMC
of the hole Dia. 4+/- 0.02 is Dia. 4.02 mm. LMC of shaft Dia.
10+0/-0.005 is Dia. 9.995 mm.
Previous
>> Part III . Geometric Tolerancing basics >>coming
soon.
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