Rubber Screw Plastic Rubber Extruder Screw Barrel

• After-sales Service: Yes
• Warranty: 12 Months
• Certification: ISO
• Condition: New
• Customized: Customized
• Automatic Grade: Automatic
• Model NO.: ZYSCREW
• Structure: Horizontal
• Type: General Rubber Machinery
• Type of General Rubber Machinery: Rubber Extruder
• Type of Tire Machinery: Rubber Regeneration Machinery
• Transport Package: Wooden Case
• Specification: ISO9001: 2008
• Trademark: Zhongyang
• Origin: Zhoushan
• HS Code: 84779000
• Production Capacity: 300 Sets/Month

Product Description

Rubber Machine Screw barrel, rubber extrusion screw barrel, plastic machinery screw barrel, rubber screw

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.

Base Material	1)38CrMoAlA(JIS SACM645) 2)Cr12MOV(JIS SKD-11)  3)4Cr5MoSiV1(JIS SKD-61)  4)42CrMo(AISI 4140)  5)9Cr18MoV
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
Bimetallic Alloy level	Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5%
Designing	Screw structure and compression                  ratio can be designed according  to different products  & different  clamping force requirement.
Treatment  Technology	1)Longer time Gas Nitriding treatment  2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide 4)cobalt base alloy 5)stainless steel  6)Gh113 nickel based alloy   Treatment Nitriding treatment(>100 Hours) Depth of Nitrided Layer: 0.5-0.8 mm Hardness of Nitrided Layer: >950Hv  Hard Chrome Plating treatment: Thickness of Hard Chrome Plating Layer: 0.03-0.08mm Hardness of Hard Chrome Plating Layer: ≥950HV Nickel alloy plating.treatment: Bimetallic Barrel Centrifugal Casting (Inlay Alloy) Bimetallic Screw: Plasma Alloy Coating Spraying Depth of Bimetallic Layer: >2mm Hardness of Bimetallic Layer: HRC55°-65°
Material Application	1)General Plastics 2)ABS,PA,PC,PE,PET,PP,PS,EVA,PU,PVC,U-PVC,etc 3)PA + GF(Glass Fiber) 4)Flame-resistant Reinforced Plastics 5)Modified Engineering Plastics 6)All kinds of Mixed Recycled Material(in Scrap or Granule),etc
Basic     Infomation	Surface Roughness :Ra0.4um Linearity of the screw: ≤0.015mm Linear axis limit: ≤0.02mm Hardness after Hardening & Tempering: HB260-300 Fragility of Nitration:≤Two grade Screw Diameter: 14mm-Φ300*8000mm   Technical Index: 15g-25000gram  Clamping force: 25KN-35000KN
General Terms	Means of transport:  Ocean,Air,Express Production time : About 20 days after we receive the deposit and lead time will different according to the order quantity.
Warranty period	2-4years(Depends on the plastic raw materials) Bimetallic:  much longer lifetime.
Competitive   Edge	1 . Long lifetime,low energy consumption.   2. Wonderful plasticizing  3. Top-quality bimetallic screw and barrel  4. High wear resistance, resistance to corrosion  5.  Fast and On time delivery  6.  Best customer after-sale service!