Quality of tuag casting

Kev tswj ntawm tuag casting pwm saum npoo qhov kub thiab txias yog qhov tseem ceeb heev rau kev tsim cov khoom siab- zoo casting qhov chaw. Cov pwm tsis sib xws lossis tsis tsim nyog yuav ua rau qhov loj me tsis ruaj khov, ejecting casting deformation thaum lub sij hawm tsim khoom, ua rau thermal siab, nplaum pwm, deg depression, sab hauv shrinkage qhov thiab kub npuas thiab lwm yam tsis xws luag. Thaum pwm qhov kub sib txawv loj, nws muaj qhov sib txawv ntawm qhov cuam tshuam ntawm qhov hloov pauv hauv lub voj voog ntau lawm, xws li lub sijhawm sau, lub sijhawm txias thiab lub sijhawm txau.