| 摘要 |
A method of producing a steel alloy articulate piston crown from a forging including the steps of rough machining a combustion crater, a top face, a plurality of ring grooves and a bottom face, chucking on a member inserted into a pin receiving bore, drawing the crown's bottom face against a stop and one side of a cooling gallery against a locator, and finish machining the combustion crater, the top face, and the plurality of ring grooves. |
