TOP DECK SURFACE COATING

摘要

A method of manufacturing an engine block is disclosed. In one embodiment, the method includes providing an engine block including a cylinder bore and a top deck with a head face including a predetermined surface roughness. The method also includes masking the cylinder bore with a masking plug, the masking plug being located at a predetermined insertion distance measured from a masking plug outer surface to the head face. The method further includes applying a corrosion resistant coating to the top deck over the head face and machine finishing the engine block including the coating to the engine block specifications.

主权项

1. A method of manufacturing an engine block, the method comprising:
providing an engine block including a block body and a cylinder bore, the block body including a top deck with a head face and the cylinder bore extending into the block body from the head face, the head face including a predetermined surface roughness; masking the cylinder bore including inserting a masking plug into the cylinder bore, the masking plug being located at a predetermined insertion distance measured from a masking plug outer surface to the head face; applying a corrosion resistant coating to the top deck over the head face after masking the cylinder bore with the masking plug; removing the masking plug from the cylinder bore; and machine finishing the engine block including the coating to the engine block specifications.