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How much you know about the knowledge of the precision casting

by:XEX     2021-03-17
Precision casting may be very strange for some friend, but for our xin was a precision casting is familiar with, because our factory do is it, if you need this knowledge can contact our factory, below is our manufacturer finishing for the user to determine the precision casting with pressure and mould and method of filling time, hoping to bring some help to users. A, holding pressure time. The length of the holding pressure time depends on the material and wall thickness precision casting. For high melting point and crystallization temperature range and thick wall castings, pressure holding time to be longer. The crystallization temperature range small, thin wall casting, holding pressure time can be shorter. If the pressure time is not enough, easy to cause shrinkage. But holding pressure time is too long, not very big effect, it is easy to cause vertical die-casting machine to remove excess stock difficult. Second, the open mold time. After the pressure should be open mould precision casting products. From the end of the shot to die mold opening time is called open mold time. Enough time can make the precision casting mold in the mold inside there is a certain strength, mould and ejection from deformation or cracking. Meat mould opening time is too short, so demoulding in casting strength is low, the casting is easy to deformation. Three, filling time. Die casting from liquid metal into the casting die cavity started until full of cavity called the time needed for filling time. Fill the length of time depends on the volume of a precision casting size and complexity. Xin, Jason precision casting in this issue will update for you here, hope everyone can support us, see you next time.
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