Cm55 Kmd Conical Twin Screw Barrel Double Screw Barrel PVC Pipe Extruder

  • Model NO.: Twin conical screw barrels
  • Plastic Processed: PVC
  • Automation: Automatic
  • Size: Customize
  • Nitrided Layer Depth: 0.5-0.8mm
  • Trademark: ZHONGYANG
  • Origin: China(Mainland) Zhejiang
  • Type: Pipe Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Material: Nitriding Steel
  • Nitrided Hardness: HRC56-58
  • Specification: ISO9001: 2008 approved
  • HS Code: 84779000
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.

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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