Carbide coating screw
Compressing rate of screw can be designed according to different raw materials and products
Heat-treatment
Nitriding treatment
Electroplated hard-chrome finish
High-frequency quenching
Spray coating Bimetallic-alloy
Vacuum quenching
Single screw and barrel of extruder machine
Diameter of screw :Φ15-Φ360 L/D=15-45
Types of screws
Gradual , saltain, wave, screen, double screen,taper,distribntary,saparating,exausting dowel,mixed smelting,double screws,three screws,more screws,granulating cet.
Carbide coating screw