Ikhwalithi yezinyo lebhakede kanye nezinyo lebhakede lapho sithenga izinyo lebhakede nezinye izingxenye eziwumshini, into evame ukucindezeleka, leyo yindlela yokuthenga nokuthenga lokho, uthenge ukuthi yiluphi uhlobo lwe-brand. kwakho!
Izimbobo zomoya zatholwa eduze kwendawo eshisayo ye-workpiece yezinyo lebhakede elisikiwe, futhi kwatholakala izimbobo zomoya odongeni eduze nendawo ewumgogodla. inqubo yokwenza i-shrinkage cavity kanye ne-porosity of casting, iningi lazo lihambisana nokuhlukaniswa kwegesi. I-stoma izoba nzima kakhulu.Ngokuhlaziya amazinyo ebhakede, siyabona ukuthi ukusakazeka kwesisu akwenzeki, futhi imbobo inkulu, ikakhulukazi eyindilinga futhi iyindilinga yebhola, inganquma ukuthi lesi sisu ngokuyisisekelo singese-invasive stomatal.
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Isikhathi sokuthumela: Sep-20-2019