THIN-WALLED FLANGEABLE NUTS MANUFACTURED BY DIE-CASTING FOR MANUFACTURING ELECTRICAL INSTALLATION ARTICLES

摘要

Casting is carried out at raised temp.. The 18% ZnAl4Cu1 alloy is pressed into the die at 470-510 deg.C where it is held at 250 kp/cm2 for 0.001 sec.. The 20% alloy is heated to 200-210 deg.C. Specially suitable for flanged nuts used in electrical industry