Conical Twin Screw Barrel for Extruder

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  • Model NO.: ZYB501
  • Plastic Processed: PVC
  • Automation: Automatic
  • Size: Customize
  • Nitrided Layer Depth: 0.5-0.8mm
  • Bimetallic Layer Depth: 3mm
  • Trademark: Zhongyang
  • Origin: China(Mainland)
  • Type: Pipe Extruder
  • Screw: Twin-Screw
  • Computerized: Computerized
  • Material: Nitriding Steel
  • Nitrided Hardness: HRC56-58
  • Bimetallic Layer Hardness: HRC58-62
  • Specification: ISO 9001: 2008 approved
  • HS Code: 84779000
Conical twin screw barrel for Bimetallic Extruder: 

Specification:
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
Focus on quality and service.

Our advantages:
1). Excellent raw materials
2). Good customer service
3). Rapid delivery
4). Reasonable price
5). Production quickly

Focus on quality and service.
Experienced manufacturer, we will be the best choice.

Dema Type Electric Chain Hoist

Structural features of electric chain hoist: electric hoist product structure: the body is made of high-strength tensile shell or die-cast aluminum shell, which is precisely manufactured by thin-wall extrusion molding process, small in size, light in weight and high in strength. The standard electric chain hoist has an independent gearbox system, the two-stage coaxial transmission gear mechanism in the sealed gearbox, and a long-life oil bath lubrication system. The powder metallurgy clutch of the electric hoist is used as an overload protection device, and the brake adopts a disc type DC electromagnetic field brake, which has a large braking torque, is stable, rapid, and has low noise.

China Dema Type Electric Chain Hoist

reliable performance

With various specifications and models, the lifting capacity is up to 2000 kg

Standard 4-m hook travel

Equipped with working timer and diagnostic interface

Easy to use and operate

Direct and effective stock delivery

Plug connection for simple and fast commissioning

Ergonomic handling

service friendly

High security and reliability

High-quality powder-coated surface for better protection and longer life

24 volt contactor control

The friction clutch can automatically cut off the lifting operation by monitoring the speed

The chain hoist and the trolley housing meet the IP 55 degree of protection

Wide range of uses

Double speed hoist

Equipped with electric travel interface

Optional operating limit switches up to 1000 kg


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