Model NO.: GMT-Screw
Nitrided Depth: 0.5-0.8mm
Surface Roughness: <=Ra0.4
Trademark: GMT
Transport Package: AA Wooden Case
Specification: Customize
Origin: China
HS Code: 84779000
Model NO.: GMT-Screw
Nitrided Depth: 0.5-0.8mm
Surface Roughness: <=Ra0.4
Trademark: GMT
Transport Package: AA Wooden Case
Specification: Customize
Origin: China
HS Code: 84779000

Technical Information for Parallel Twin Screw Barrel |
Main Base materials |
1.38CrMoAlA (SACM645) |
Main Alloy Materials |
1. Ni-based alloy/Deloro alloy |
2. SKD-61 (Special Tool Steel) |
2. Tungsten carbide/Wolfram carbide |
3. 42CrMo (Ultrahigh StrengthSteel) |
3. NiCo-based alloy |
4. DC53 (Cold WorkDie Steel) |
4. Fe-based alloy |
5. W6Mo5Cr4V2 (High-SpeedToolSteel) |
5. Co-based alloy |
Processing Technics |
1. Heat treatment |
Technical parameters |
Nitriding layer depth:0.5-0.8mm |
2. Quenching |
Nitrided hardness:900-1000HV |
3. Nitriding treatment |
Bimetallic layer depth:3 mm |
4. Bimetallic alloy welding for screw |
Bimetallic hardness:57~69HRC |
5. Bimetallic alloy centrifugal casting for barrel |
Hard-chrome plating hardness after nitriding:≥950HV |
6. Hard-chrome electroplating |
Chrome-plating layer depth:0.03-0.09mm |
Linearity of screw:0.015mm |
Surface roughness:Ra 0.4 |
Â
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 |
D70/2Â Â |
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 |
Screw types:Gradual change, chop, barrier, distributary, separate, air exhausting, pin, mixing and etc.
For good plasticizing effect, we have different design of screw barrel to meet customer's demand.Specification :Dia 20mm-250mm; L/D=15-45Scope of Application:1. Generally plastic material
2. Pipe/ Profile/ Sheet/Pelletizing
3. WPC, ABS, TPR, TPU, PMMA, C-PVC, UPVC, RPVC, PET, EVA, PU,PE etc
Treatment:Nitrized, Chrome coating, Quenching, Bimetallic
We are foucs on each process to make sure each screw barrel is qualified according to technical requirement.Â
Packaging Details:1. Be brushed anti-corrosive oil on extruder machine single screw.Â
2. Packed with film.Â
3. Packed in the AA wooden.
Please provide samples or requirements about dimensions and tolerances of , semi-finished and finished products, the equipment, the monthlly comsumption quantity, the current screw and barrel you are using, HRC and so on.
For more information, please kindly contact as below:
Mobile: 0086-13917356326

Technical Information for Parallel Twin Screw Barrel |
Main Base materials |
1.38CrMoAlA (SACM645) |
Main Alloy Materials |
1. Ni-based alloy/Deloro alloy |
2. SKD-61 (Special Tool Steel) |
2. Tungsten carbide/Wolfram carbide |
3. 42CrMo (Ultrahigh StrengthSteel) |
3. NiCo-based alloy |
4. DC53 (Cold WorkDie Steel) |
4. Fe-based alloy |
5. W6Mo5Cr4V2 (High-SpeedToolSteel) |
5. Co-based alloy |
Processing Technics |
1. Heat treatment |
Technical parameters |
Nitriding layer depth:0.5-0.8mm |
2. Quenching |
Nitrided hardness:900-1000HV |
3. Nitriding treatment |
Bimetallic layer depth:3 mm |
4. Bimetallic alloy welding for screw |
Bimetallic hardness:57~69HRC |
5. Bimetallic alloy centrifugal casting for barrel |
Hard-chrome plating hardness after nitriding:≥950HV |
6. Hard-chrome electroplating |
Chrome-plating layer depth:0.03-0.09mm |
Linearity of screw:0.015mm |
Surface roughness:Ra 0.4 |
Â
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 |
D70/2Â Â |
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 |
Screw types:Gradual change, chop, barrier, distributary, separate, air exhausting, pin, mixing and etc.
For good plasticizing effect, we have different design of screw barrel to meet customer's demand.Specification :Dia 20mm-250mm; L/D=15-45Scope of Application:1. Generally plastic material
2. Pipe/ Profile/ Sheet/Pelletizing
3. WPC, ABS, TPR, TPU, PMMA, C-PVC, UPVC, RPVC, PET, EVA, PU,PE etc
Treatment:Nitrized, Chrome coating, Quenching, Bimetallic
We are foucs on each process to make sure each screw barrel is qualified according to technical requirement.Â
Packaging Details:1. Be brushed anti-corrosive oil on extruder machine single screw.Â
2. Packed with film.Â
3. Packed in the AA wooden.
Please provide samples or requirements about dimensions and tolerances of , semi-finished and finished products, the equipment, the monthlly comsumption quantity, the current screw and barrel you are using, HRC and so on.
For more information, please kindly contact as below:
Mobile: 0086-13917356326
Alloy Steel Material
Alloy Steel Material,Seamless Steel Tube,Aisi 4130 Steel Tube,4130 Seamless Tubing
Shaanxi Jiade Import And Export Co., Ltd , https://www.jdsteeltube.com