TitleProduct

Rubber Barrel Rubber Screw Barrel Extrusion Screw Barrel

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Zhejiang

  • Validity to:

    Long-term effective

  • Last update:

    2017-10-03 02:50

  • Browse the number:

    297

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Company Profile

Zhejiang Zhongyang Screw Manufacturing Co., Ltd.

By certification [File Integrity]

Contact:Miss Sunny(Mr.)  

Email:

Telephone:

Area:Zhejiang

Address:Zhejiang

Website: http://zyscrew.sy2000.net/

PRODUCT DETAILS
Rubber barrel rubber screw barrel extrusion screw barrel, Barrel for Rubber Machinery, extruder screw barrel

Specification:
Diameter of pin screw and barrel: Φ 75mm-Φ 200mm
Diameter of cold feed or hot feed screw and barrel: Φ 30mm-Φ 300 mm
L/D ratio: 12-18

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

Warranty and service: 1 year

Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly

Experienced manufacture, we will be the best choice.
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.