Casting parts in the process of cast
ing in individual position sometimes appear smooth hole defects, for precision casting, stomatal phenomenon is very normal, usually once found in processing, precision casting porosity problems in how to solve?
First of all, the casting conditions permitting, before the shandong precision casting casting in complex casting the top. Set the vent.
Followed by in the process of casting parts design must fully consider the pores in the late, try to meet the demand of shell exhaust.
Want reasonable shell roasting temperature, time, moreover, heat preservation time is enough.
Finally decrease the ladle mouth to the sprue cup distance, casting speed wants even, to ensure smooth full of cavity of molten steel, as few involved in molten steel in the air, so that in the cavity and the molten steel gas energy discharge smoothly.
So it can solve appeared in the process of casting parts in precision casting porosity, wuxi xin's sunni precision casting co. , LTD. , has the abundant technical strength and the international advanced revestment precision casting equipment, one-stop service of mechanical processing ability to provide quality services for our customers.
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