Surface WC/CO overall spray welding, can effectively improve the service life of the screw.There are Gradual, saltain, wave, screen, double screen,taper,distribntary,saparating,exausting dowel,mixed smelting,double screws,three screws,more screws,granulating etc.
Diameter：Ф16-Ф300
Length/Diameter Ratio：L/D=15-40
Technical Indexes
1 Commonly used materials:38crMoAIA，Nitriding treatment，Surface hardness。HV≥900 Depth of nitration case：0.5-0.8mm
2 Commonly used materials:Surface WC/CO overall spray welding, can effectively improve the service life of the screw.
Screw type：
Gradual , saltain, wave, screen, double screen,taper,distribntary,saparating, exausting dowel,mixed smelting,double screws,three screws,more screws,granulating etc.
