Parallel Double Screw and Barrel Plastics Machine Part

• After-sales Service: Yes
• Warranty: 12 Months
• Type: Sheet Extruder
• Plastic Processed: PVC
• Product Type: Extrusion Molding Machine
• Feeding Mode: Multiple Feed
• Model NO.: ZYSCREW
• Assembly Structure: Integral Type Extruder
• Screw: Twin-Screw
• Engagement System: Full Intermeshing
• Screw Channel Structure: Deep Screw
• Exhaust: Exhaust
• Automation: Automatic
• Computerized: Computerized
• Material: 38 Crmoaia
• Transport Package: Wooden Carton
• Trademark: Zhongyang
• Origin: China
• HS Code: 84779000

Product Description

Parallel Twin Screw

Specification:

Diameter:	L/D ratio:
Φ 45mm-Φ 200mm	16-35

The compression ratio of screws can be designed according to different products and ingredients

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.