Twin Screw (Parallel Twin Screw &Coincal Twin Screw)

=== Base Info ===

=== Description ===

Basic Info.

Model NO. ZYSCREW Screw Twin-Screw Engagement System Full Intermeshing Screw Channel Structure Deep Screw Automation Automatic Computerized Computerized Screw Barrel Twin Screw (Parallel Twin Screw Coincal Twin Screw 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 Transport Package Slushing Oil Coated& Film Wrapped in Wooden Case Specification ISO9001: 2008 approved Trademark Zhongyang Origin China(Mainland) HS Code 84779000 Production Capacity 200 Sets/Month

Product Description

Twin Screw (Parallel twin screw &Coincal twin screw)

Specification: (Parallel twin screw )
Diameter: Φ 45mm-Φ 200mm
L/D ratio: 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.