The most common types of conical twin screw barrel extruder
types of screw (d/D)
length of work(mm)
quantity ofextruder(kg/h)
speed of screw rotate(rpm)
Φ35/77
810
40-70
5~50
Φ45/99
990
50-80
5~45
Φ51/105
1070
100-150
4~45
Φ51/105
1220
100-150
4~45
Φ55/110
1220
120-180
4~40
Φ60/125
1320
150-200
4~40
Φ65/120
1440
200-250
4~40
Φ65/132
1440
200-250
4~40
Φ70/140
1460
220-300
4~40
Φ75/150
1480
250-320
4~35
Φ80/143
1660
300-360
4~35
Φ80/156
1800
300-360
4~35
Φ90/184
2000
400-500
3~35
The most common types of parallel twin screw barrel extruder
D35/5
D45/2
D50/2
D60/2
D65/2
D70/2
D72/2
D75/2
D80/2
D85/2
D90/2
D93/2
D100/2
D105/2
D110/2
D115/2
D120/2
D125/2
D130/2
D140/2
D150/2
D160/2
D170/2
D180/2
D190/2
D200/2
D200/2
D250/2
CONICAL TWIN SCREW AND BARREL
Material
Alloy-Steel of High-quality
1) 38CrMoALA (JIS SACM645)
2) 42CrMo (JIS SCM440)
3) 9Cr18MoV
4)CW6Mo5Cr4V2
Heat-treatment
Nitriding Treatment
Electroplated hard-chrome finish
High-frequency quenching
Spray coating Bimetallic-alloy
Vacuum quenching
| specification （d/D） |
Length （mm） |
ability （Kg/h） |
speed （rpm） |
| Φ35/Φ77 | 810 | 40-70 | 5-50 |
| Φ45/Φ90 | 990 | 50-80 | 5-45 |
| Φ50/Φ105 | 1070 | 100-150 | 4-45 |
| Φ51/Φ105 | 1220 | 100-150 | 4-45 |
| Φ55/Φ110 | 1220 | 120-180 | 4-40 |
| Φ60/Φ125 | 1320 | 150-200 | 4-40 |
| Φ65/Φ120 | 1440 | 200-250 | 4-40 |
| Φ65/Φ132 | 1440 | 200-250 | 4-40 |
| Φ70/Φ140 | 1460 | 220-300 | 4-40 |
| Φ75/Φ150 | 1480 | 250-320 | 4-35 |
| Φ80/Φ143 | 1800 | 300-360 | 4-35 |
| Φ80/Φ156 | 1660 | 300-360 | 4-35 |
| Φ92/Φ188 | 2000 | 400-500 | 3-35 |
Compressing rate of screw can be designed according to different raw materials and products.
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