High Quality 65/132 Conical Twin Screw Barrel For UPVC Pipe with Bimetallic Layer
Descriptions
We manufacture barrels for co-rotating twin screw extruders ranging from 12 mm to 350 mm and over. Our manufacturing specializes in barrels for twin screw extruders and is optimized for flexible order handling.
Specification: 45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188
The above are standard specifications, we can customize according to customers' requirements.
The compression ratio of screws can be designed according to different products and ingredients
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
|
Standard Barrel Parameter Table (selection table) |
|||
|
Model |
Size(mm) W*H*L |
Hole Diameter(mm) |
Distance(mm) |
|
BM-20 |
115*105*132 |
φ23 |
18.4 |
|
BM-30 |
135*115*120 |
φ30.6 |
26 |
|
BM-35 |
140*120*140 |
φ36 |
30 |
|
BM-36 |
160*140*150 |
φ36 |
30 |
|
BM-40 |
175*145*160 |
φ41.6 |
34.5 |
|
BM-50 |
190*150*190 |
φ51 |
42 |
|
BM-52 |
200*155*210 |
φ52 |
43 |
|
BM-53 |
210*160*220 |
φ53.3 |
48 |
|
BM-58 |
220*175*240 |
φ58 |
48 |
|
BM-60 |
210*170*240 |
φ60 |
52 |
|
BM-65 |
210*170*240 |
φ63 |
52 |
|
BM-75 |
260*200*290 |
φ71.8 |
60 |
|
BM-85 |
280*215*320 |
φ81.9 |
67.8 |
|
BM-92 |
310*240*360 |
φ92 |
78 |
|
BM-95 |
310*240*360 |
φ94 |
78 |
|
BM-110 |
330*240*420 |
φ109 |
91.5 |
|
BM-125 |
390*290*500 |
φ125 |
98 |
|
BM-135 |
370*300*410 |
φ134 |
110 |
