Rubber Screw Barrel Plastic Rubber Screw Barrel

  • Model NO.: rubber screw barrel
  • Type: General Rubber Machinery
  • Type of Tire Machinery: Rubber Regeneration Machinery
  • Trademark: ZHONGYANG
  • Origin: Zhoushan, China
  • Certification: ISO
  • Type of General Rubber Machinery: Rubber Extruder
  • Size: Customize
  • Specification: ISO9001: 2008 approved
  • HS Code: 84779000
Rubber Machine Screw barrel, cold/hot feeding rubber screw, rubber extrusion screw barrel, plastic machinery screw barrel, plastic machinery components

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.
Product Cool feeding /hot feeding rubber screw barrel
 
Hardness after hardening and tempering HB260°~320°
  Nitrided Hardness   HV950°~1000°
  Nitrided Depth   0.50~0.7mm
  Nitrided Brittleness   above 2 stage
  Surface Roughness   Ra0.4
  Screw straightness   0.015mm
  Hardess of surface chromium-plating after Nitriding   HV≥950HV
  Chromium-plating Depth   0.05~0.10mm
  ALLoy Depth   0.8~2.0mm
  Alloy hardness   HRC56°~65°
  Alloy   iron,nickel,tungsten,molybdenum
  Types of screw   Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.

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October 13, 2022