Conical Twin Screw and Barrel

CONICAL TWIN SCREW AND BARREL:
Types of double screws
Gradual, levity, commingle, taper, supper taper, granulating etc.
Apply to plastic
Plastic of general, PP, PE, ABS, AS, PS etc.

Specification(d/D) Length(mm) ability(kg/h) speed(rpm)
Φ 35/Φ 77 810 10-70 5-50
Φ 45/Φ 90 990 50-80 5-45
Φ 50/Φ 105 1070 100-150 4-45
Φ 51/Φ 105 1220 100-150 4-45
Φ 55/Φ 110 1220 120-180 4-40
Φ 60/Φ 125 1320 150-200 4-40
Φ 65/Φ 120 1440 200-250 4-40
Φ 65/Φ 132 1440 200-250 4-40
Φ 70/Φ 140 1460 220-300 4-40
Φ 75/Φ 150 1480 250-320 4-35
Φ 80/Φ 143 1800 300-360 4-35
Φ 80/Φ 156 1660 300-360 4-35
Φ 92/Φ 188 2000 400-500 3-35

TECHNICAL SPECIFICATION
Material: High quality 38CrMOALA
Tempering hardness: HB240~280
Nirtrized hardness: HV850~1000
Nirtrized thickness: 0.45~0.7mm
Surface roughness≥ Ra0.4
Liner strightness: 0.015mm
Surface hardness afrer Chrome coating ≥ 900HV
Chrome coating layer thickness 0.050.10mm
Bi-metallic layer hardness: HRC56~65
Bi-metallic layer thickness: 0.8~2.0mm