Twin conical screw barrel,CM55 Kmd Series Conical screw barrel, PVC pipoe/profile extruder screw barrel, Twin Screw and Barrel, double screw barrel, twin conical screws barrel
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.
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
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
Experienced manufacturer, we will be the best choice.
Focus on quality and service.
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.
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
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
Experienced manufacturer, we will be the best choice.
Focus on quality and service.
|
Main Base materials |
1.38CrMoAlA (Nitriding Steel) | |
| 2. SKD-61 (Special Tool Steel) | ||
| 3. 42CrMo (Ultrahigh Strength Steel) | ||
| 4. DC53 ( Cold Work Die Steel) | ||
| 5. W6Mo5Cr4V2 ( High-Speed Tool Steel ) | ||
| 6. HPT | ||
|
Main Alloy Materials |
1. Ni-based alloy/Deloro alloy | |
| 2. Tungsten carbide/Wolfram carbide | ||
| 3. NiCo-based alloy | ||
| 4. Fe-based alloy | ||
| 5. Co-based alloy | ||
|
Processing Technics |
1. Heat treatment | |
| 2. Quenching | ||
| 3. Nitriding treatment | ||
| 4. Bimetallic alloy welding | ||
| 5. Bimetallic alloy centrifugal casting | ||
| 6. Hard-chrome electroplating | ||
|
Technical parameters |
Nitriding layer depth | 0.5-0.8mm |
| Nitrided hardness | HRC56-58 | |
| Nitrided brittleness | Less than grade 1 | |
| Surface roughness | Ra 0.4 | |
| Linearity of screw | 0.015mm | |
| Hard-chrome plating hardness | ≥HRC57 | |
| Chrome-plating layer depth | 0.03-0.09mm | |
| Bimetallic layer depth | 3 mm | |
| Bimetallic layer hardness | HRC58-62 | |
|
Above are main technical information, a suitable screw and barrel will be made according to your requirement. |
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