When long-rod type forgings drop-forged, fullering and edging are often selected as preform operations.
在锤上模锻长杆类锻件时，常用滚挤和拔长工步进行制坯。
2
American type, drop-forged blades with high quality carbon steel, body heat treatment, cutting edges induction quenched, easy adjustment, cutting abilityHRC30.
Designed for spraying heavy bodied fluids such as roof coatings, block fillers, and similar materials, the Model 7e2 has extra large fluid passages in a plated drop-forged brass head.