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Specifications

Conical / Parallel Twin Screw and Barrel  

 

Size:screw diameter ø15-ø300mm

Maximum screw length :10000mm

 

The conical twin screws and barrel can be designed different structure according to the different product and market requests.

 Specifications of conical twin-screw and barrel:

 
1.Injection molding machine                            
Clamping force:250kn-3,2000kn                       
2.Single screw extruder 
Screw diameter:15mm-360mm
LD ratio:15-46
3.Conical twin screw extruder 
Screw diameter:25mm-92mm
4.Counter rotating parallel twin screw 
Screw diameter:50mm-200mm
L/D ration:16-35
5.Co-rotating twin screw extruder
Screw diameter:25mm-120mm
 
 
45/90
45/97
50/103
55/110
60/120
65/125
68/146                           
80156                              
80/172                                  
92/188
 
 
 

Double-alloy technical standard:

Double-alloy level:

1.Level A - containing tungsten of 40%

2.Level B - containing tungsten of 25%

3.Level C - containing tungsten of 9.5%

4.Hardness of alloy: HRC56-65o

 

Applied scope of plastic: applied for PVC and WPC material,  has a high output and stable performance.

1.Components of alloy powder: Ni + Co + Cr + W + Si + Fe + B + C

2.Depth of alloy layer: 1.2 mm-2.0 mm

3.Hardness of alloy: HRC>65°

We can manufacture various kinds of screw barrels
 
 
1.Hardness of adjuster:HB260-290
2.Hardness of nitration:HV800-1050
3.Depth of nitration case :0.4-0.7mm

4.Fragility of nitration:less than grade 1

5.Rougness of the surface:Ra0.4
6.Linearity of the screw:0.015mm

7.The surface hard chromium plating hardness after nitrogenation≥900HV

8.Depth of double alloys:0.8-2.0mm
 

Used for granulation ,PP,PE,PA,PC,ABS,AS etc