Q. Discuss briefly the causes and remedies of misrun and cold shunts casting
Cold Shunt and Misrun : When the metal is unable to fill the mould cavity completely and thus leaving unfilled portion called misrun. A cold shunt is called when two metal streams do not fuse together properly.
Causes : (i) Lake of fluidity in molten metal
(ii) Faulty design (iii) Faulty gating
Remedies : (i) Adjust proper pouring temperature
(ii) Modify design (iii) Modify gating system