Cov mis nyuj tov yog: α = (DM) / D;
Ntawm lawv, qhov loj me D D ntawm qhov chaw sov thiab qhov khoom loj M tom qab molding.
Feem ntau siv cov yas shrinkage tus nqi yog raws li nram no:
1. Lub npe lub npe: PCTA
Muaj tseeb qhib pwm shrinkage: 0.003
2, lub npe yas: PETG
Tiag tiag pauv shrinkage: 0.004
Moulding Khoom Hom: Tshuaj pleev ib ce
3, lub npe yas: AS
Tiag tiag pauv shrinkage: 0.005
4, lub npe yas: PBT
Tiag tiag pauv shrinkage: 0.004
5, lub npe yas: ABS
Tiag tiag pauv shrinkage: 5/1000
6, lub npe yas: PP
Tiag tiag pauv shrinkage: 16/1000
7, lub npe yas: POM
Tiag tiag pauv shrinkage: 16/1000
8, lub npe yas: PC
Qhov tseeb pwm tsawg npaum li cas: 8/1000
9, lub npe yas: PA6
Qhov tseeb pwm shrinkage tus nqi: 0.020.