• Screw: Twin-Screw
  • Material: Nitriding Steel
  • Nitrided Hardness: HRC56-58
  • Trademark: ZHONGYANG
  • Origin: China
  • Size: Customize
  • Nitrided Layer Depth: 0.5-0.8mm
  • Chrome-Plating Layer Depth: 0.025-0.085mm
  • Specification: ISO 9001: 2008 approved
  • HS Code: 84779000
Specification:
45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188

1. Made by high quality materials
2. High effective
3. Special design
4. Lots of types

The above are standard specifications, we can customize according to customers' requirements.

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

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.
Experienced manufacturer, we will be the best choice.

Structure

Four parts: Top cover rubber; Bottom cover rubber; Reinforced core; Cross rigid. 
Min top cover thickness: 3 mm; 
Min bottom cover thickness: 1.5 mm. 
Belt carcass ( casing ply): EP, Cotton, Nylon Steel Cord

Characteristics:
1) Conveying angle 30~90ºC
2) Smaller area covering;
3) Bigger throughput, higher hoisting height;
4) Smooth transition from horizontal to tilt or vertical;
5) Saving time
6) Strong conveying capacity

Cleat: 
Cleat types: T, TC
The cleat is made of enforced fabric, solid, anti-shock to avoid distortion. 
"T" cleat are normally used up to 40 degree
"TC"  normally used from 0 degree to 90
Classify by structure:
1) Conventional type
2) Transverse reinforcement type: XE, XE+2, XE-SC+2 etc
Standard: GB/T7984-2001, DIN22102, BS490, AS1332, RMA, JISK6322, SABS1173 etc
Application:
Suitable for conveying easy sifted materials in powder, granulated and small lump, paste and liquid, widely used in loading and unloading transportation systems such as ore mine, coal mine, stations and wharf to conveying materials in shape of lump, partials, and powders, etc.
Why choose us?
1. High level of choosing upstream supplier: like carcass, Wuxi Taiji being our strategic partner supplying qualified fabric.
    All raw materials purchase is accompanied with quality test certificate.
2. Strict QC system over the whole process of production: raw materials - semi-finished product - finished product
    Every one step of semi-finished product shall be tested before next step of processing. Unqualified  pieces are now allowed for next step of processing.
3. All finished products shall get tested, and only qualified products can leave factory.


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HEBEI JIUZHOU RUBBER TECHNOLOGY CO.,LTD , http://www.jiuzhoubelting.com