Water soluble cores and method for manufacturing cast rotor prov

Metal founding – Process – Shaping a forming surface

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164528, 164369, 164132, 106 383, 106 389, B22C 118

Patent

active

044388047

ABSTRACT:
A water soluble core comprises a mold product prepared by a mixture of sand, potassium carbonate as a first binder and at least one of barium carbonate and alkali silicate as a second binder. This water soluble core is utilized for a method of manufacturing a cast rotor for forming ventilation ducts of an induction motor.

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