Die Mismatch
Die Mismatch
(OP)
According to ASME Y14.8, 3.13, Mismatch, where applicable, shall be specified as a maximum value. Mismatch may exceed perfect form boundary at MMC, unless otherwise noted.
If the mismatch is not listed in the notation of the casting drawing, does this bind the castor to meeting the dimensional tolerances across the parting line, or is a mismatch value added by default of the nature of the process?
If the mismatch is not listed in the notation of the casting drawing, does this bind the castor to meeting the dimensional tolerances across the parting line, or is a mismatch value added by default of the nature of the process?





RE: Die Mismatch
Dave D.
www.qmsi.ca
RE: Die Mismatch
If this is an issue & they needed extra mismatch tolerance the casting house should have brought it up when they quoted. I've just had this issue with a forge, they didn't ask for extra mismatch initially but now are adding +-.03 extra.
KENAT,
Have you reminded yourself of FAQ731-376: Eng-Tips.com Forum Policies recently, or taken a look at posting policies: http://eng-tips.com/market.cfm?
RE: Die Mismatch
Paul
RE: Die Mismatch
KENAT,
Have you reminded yourself of FAQ731-376: Eng-Tips.com Forum Policies recently, or taken a look at posting policies: http://eng-tips.com/market.cfm?
RE: Die Mismatch