Based on the propulsion system on the site. On pushing this company, designed the grooves so that the air in the mold according to the going out of this groove.
The abrasive on TV lói (ejector pin): based on the clearance between the shaft hole when assembled, because the propulsion to slide axially to push out the details, so here is assembled with an open assembly. Therefore, based on which the air gap can escape eliminate air entrapment.
đang được dịch, vui lòng đợi..
