Casting of engine blocks

Details Casting of engine blocks Casting of engine blocks

B - Operations, Transporting

22

C

B22C 9/10 (2006.01) B22C 7/06 (2006.01) B22C 9/06 (2006.01) B22D 19/00 (2006.01)

Patent

CA 2381104

An engine block mold package includes a barrel crankcase core having a plurality of barrels on an integral crankcase region and one or more locator surfaces on the crankcase region. The barrels are formed by a barrel-forming tool element of a core box. The barrel-forming tool element is configured to also form the locator surface(s) on the crankcase region such that the locator surface(s) is/are accurately positioned relative to the barrels and thus the cylinders formed in the engine block cast in the mold package. The locator surface(s) can be used to locate the engine block casting in subsequent aligning and machining operations without the need to reference a curved surface of a cylinder bore liner.

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