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"E" With Metric Tolerance 2
- Thread starter drbauer
- Start date
In the Military/Defense world we put this symbol on our drawings to indicate what the changes were on each revision.
Here is an example of a Milspec bolt
Heckler
Sr. Mechanical Engineer
SWx 2007 SP 3.0 & Pro/E 2001
XP Pro SP2.0 P4 3.6 GHz, 1GB RAM
NVIDIA Quadro FX 1400
o
_`\(,_
(_)/ (_)
(In reference to David Beckham) "He can't kick with his left foot, he can't tackle, he can't head the ball and he doesn't score many goals. Apart from that, he's all right." -- George Best
Here is an example of a Milspec bolt
Heckler
Sr. Mechanical Engineer
SWx 2007 SP 3.0 & Pro/E 2001
XP Pro SP2.0 P4 3.6 GHz, 1GB RAM
NVIDIA Quadro FX 1400
o
_`\(,_
(_)/ (_)
(In reference to David Beckham) "He can't kick with his left foot, he can't tackle, he can't head the ball and he doesn't score many goals. Apart from that, he's all right." -- George Best
- Thread starter
- #4
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2
- #5
PaulJackson
Automotive
drbauer
Circle(E) in ISO signifies the "Envelope Principle" which suspends the ISO "independency principle" for measurement of size and form and invokes conditions equivalent to the ASME "Taylor Principle, Rule #1" commonly known as "Perfect form @ MMC".
Paul
Circle(E) in ISO signifies the "Envelope Principle" which suspends the ISO "independency principle" for measurement of size and form and invokes conditions equivalent to the ASME "Taylor Principle, Rule #1" commonly known as "Perfect form @ MMC".
Paul
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