Specialized Equipment: Multi-station cold heading machines must possess the following characteristics:
Ductile iron casting body ensures rigidity
High wear-resistant alloy copper bearing connection system
Pneumatic clutch and brake device enables rapid response
Material Specifications: Cold heading steel must meet the following requirements:
Hot-rolled yield strength ≤ 440 MPa
Radial decarburization layer ≤ 1% of diameter
Hardness after spheroidizing annealing treatment 75-85 HRB
