Cold partition, also known as cold joint, butt joint, refers to the phenomenon that the metal flow with lower temperature is not fused to each other and there is a gap. It is in an irregular line shape. There are two types of penetrating and non-penetrating. There is a trend of development under the effect of

Zinc die-casting is a casting in which zinc liquid is quickly and high-pressure filled into the mold cavity. The time for zinc liquid to fill the die-casting cavity is extremely short, generally a few hundredths of a second or a few thousandths of a second. The pores formed during the die casting process have a smooth surface...

Aluminum die-casting parts are aluminum parts with different functions, which are processed by molds of different shapes. Its quality determines whether other equipment can operate normally, so how to see whether it is a qualified product, how to test...