Bimetallic Screw Barrel Tin Screw Tips for Injection Molding

• Customization: Available
• After-sales Service: Yes
• Type: Injection Blow Molding
• Model NO.: bimetallic screw barrel
• Structure: Horizontal
• Plastic Type: Thermoplastic
• Plasticizing Way: Plunger Type
• Automation: Automatic
• Computerized: Computerized
• Certification: ISO9001:2008
• Screw Barrel: Bimetallic Single Screw for Injection Molding
• Nitrided Layer Depth: 0.5-0.8mm
• Nitrided Hardness: 950-1050hv
• Nitrided Brittleness: Less Than Grade 1
• Surface Roughness: Ra0.4
• Linearity of Screw: 0.015mm
• Transport Package: Slushing Oil Coated& Film Wrapped in Wooden Case
• Specification: ISO9001: 2008 approved
• Trademark: ZHONGYANG
• Origin: China(Mainland) Zhejiang
• HS Code: 84779000
• Production Capacity: 200 Sets/Month

Product Description

Bimetallic Screw Barrel for Injection Molding Machine, injection screw barrel, bimetallic screw barrel, Injection screw tips

Specification:
Screw diameter: Φ 20mm-Φ 220mm
Max length: 8000mm
Barrel diameter: Φ 20mm-Φ 220mm
Max length: 4000mm

Different bimetallic alloys are available for different raw materials.

Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)9Cr18MOV

Mould clamping force: 250T-3200T
Shot weight: 30G-30000G

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

Experienced manufacture, we will be the best choice.
 

Technical Parameter For Extruder Machine
Base Material	1)38CrMoAlA(JIS SACM645);2)Cr12MOV(JIS SKD-11) ; 3)4Cr5MoSiV1(JIS SKD-61) ;4)42CrMo(AISI 4140)
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
Double-alloy level	Level A - containing Tungsten of 40% Level B - containing tungsten of 25% Level C - containing tungsten of 9.5%
Surface  Treatment	Heat Treatment High Frequency Treatment Nitriding treatment(120 Hours): Depth of Nitrided Layer: 0.5-0.8 mm Hardness of Nitrided Layer: 900-1020Hv (HRC56°-65°) Hard Chrome Plating treatment: Thickness of Hard Chrome Plating Layer: 0.05-0.10mm Hardness of Hard Chrome Plating Layer:  ≥ 950HV Nickel alloy plating.treatment: Bimetallic Barrel/Cylinder: Centrifugal Casting (Inlay Alloy) Bimetallic Screw: Plasma Alloy Coating Spraying Depth of Bimetallic Layer: >2mm Hardness of Bimetallic Layer: HRC55°-72° Spraying corrosion wear-resisting dual metal layers
Basic information	Roughness of the surface:Ra0.4um Linearity of the screw:  ≤ 0.015mm Linear axis limit:  ≤ 0.02mm Hardness after Hardening & Tempering: HB240-280 Fragility of Nitration: ≤ Two class
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), PVC + 30% CaCo3, etc