Method of manufacturing cylinder head system for vehicle

Abstract

A method for manufacturing a cylinder head system for a vehicle includes manufacturing a first main mold having an exhaust manifold mold and a first water jacket mold; manufacturing a second main mold having a second water jacket mold; and assembling the first main mold to the second main mold. The exhaust manifold mold is configured to form an exhaust manifold, the first water jacket mold is configured to form a first water jacket for cooling the exhaust manifold, and the second water jacket mold is configured to form a second water jacket for cooling a cylinder block.

1 . A method for manufacturing a cylinder head system for a vehicle comprising:
 manufacturing a first main mold comprising an exhaust manifold mold and a first water jacket mold;   manufacturing a second main mold comprising a second water jacket mold; and   assembling the first main mold to the second main mold;   wherein the exhaust manifold mold is configured to form an exhaust manifold, the first water jacket mold is configured to form a first water jacket for cooling the exhaust manifold, and the second water jacket mold is configured to form a second water jacket for cooling a cylinder block.   
   
   
       2 . The method of  claim 1 , wherein the exhaust manifold mold comprises a plurality of exhaust manifold molds, and the first water jacket mold is disposed between the exhaust manifold molds. 
   
   
       3 . The method of  claim 1 , wherein the main molds each comprise a sand-mold core.