Zhoushan Jianghai Screws Manufacture Co.,Ltd is specialized in making all types of excellent quality screws and barrels for plastic machines, extrusion and rubber machines in Zhejiang China.
Specification:
Screw diameter: Ø15- Ø300
L/D ratio: 15-46
Product type:
For different plastic screw can be used: ordinary type, pin type, barrier type, separation type, exhaust type.
Base material:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)9Cr18MOV
Process:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical Parameters:
Nitriding depth: 0.50mm-0.80mm
Nitriding Hardness: 900-1000HV
Nitride brittleness: <= 1
Surface roughness: Ra 0.4
Linearity of the screw: 0.015mm
Chrome after nitriding surface layer hardness: ≥950HV
Chrome plating thickness: 0.025 ~ 0.085mm
Depth of double alloys: 3mm
Warranty and service: 1 year
Specification:
Screw diameter: Ø15- Ø300
L/D ratio: 15-46
Product type:
For different plastic screw can be used: ordinary type, pin type, barrier type, separation type, exhaust type.
Base material:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)9Cr18MOV
Process:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical Parameters:
Nitriding depth: 0.50mm-0.80mm
Nitriding Hardness: 900-1000HV
Nitride brittleness: <= 1
Surface roughness: Ra 0.4
Linearity of the screw: 0.015mm
Chrome after nitriding surface layer hardness: ≥950HV
Chrome plating thickness: 0.025 ~ 0.085mm
Depth of double alloys: 3mm
Warranty and service: 1 year
| SPECIFICATIONS FOR Single-screw Extruder | ||
Extruder model | Max.output(kg/h) | Total power(kw) |
SJ45/30 | 20-50 | 11/15 |
SJ50/30 | 50-100 | 18.5/22 |
SJ65/33 | 100-250 | 37/45 |
SJ75/33 | 550-650 | 90/110 |
SJ90/33 | 750-850 | 160 |
SJ120/33 | 950-1100 | 280 |
SJ150/33 | 1100-1200 | 315 |