◆ Screw and barrel for extruder:
Φ15-Φ300
◆ Ratio of length to diameter:L/D=15-46
◆ Screw and barrel for injection
moulding machine:
Clamping force: 25-3200tons
Injection capacity:30g-25000g
TECHNICAL DATA
☆ Depth of nitration case:0.5-0.8mm
☆ Hardness of nitration:900-1000HV
☆ Fragility of nitration:Grade 1
☆ Roughness of the surface:Ra 0.4μm
☆ Nitration screw especially for bakelite.
★ Screw of stainless steel: apply to PC, PVC, acrylics, transparent materials;
★ PTA bi-metal screw-1: matrix material 42CrMo 2, matrix material 38CrMoALA 3, matrix material SKD61
★ PTA PF screw
