Casting process used in the production of pistons comprises producing recesses by cores that move on deformation

摘要

Casting process comprises producing recesses (7) by cores (6) that move on deformation. Preferred Features: The moving core is made of one piece and has a window insert (4) which has a borehole for receiving a separate sleeve (2). The sleeve produces a throughbore (3) on casting the piston (1).