Product Details

Specifications

1.Conical twin screw and barrel for extruder
2.material:alloy-steel of high quality
cessed to drawing or your request

Conical twin screw and barrel for extruder or injection moulding machine

Material:

Alloy-steel of high-quality

1. 38 CrMoAIA(JIS SACM645)

2. 42CrMo(AISI4140)

3. 9Cr18MoV

4. CW6Mo5Cr4V2

5. SKD61

Processes:

1.Heat-treatment

2.Nitriding treatment

3.Electroplate hard-chrome

4.High-frequency quenching

5.Spraying corrosion wear-resisting dual metal layers

6.Vacuum quenching

Technical Parameters:

Screw

1. Nitride Depth: 0.55-0.7mm

2. Nitride Hardness: 850-960HV

3. Surface Roughness: Ra≤0.8um

4. Screw Straightness: 0.015mm

5. Bimetallic Hardness: HRC50-62

6. Bimetallic Depth: 1.5-2.0mm

Barrel

1. Nitride Depth: 0.55-0.7mm

2. Nitride Hardness: 960-1020HV

3. Surface Roughness: Ra≤1.6um

4. Bimetallic Hardness: HRC50-65

5. Bimetallic Depth: 1.5-2.0mm

Our products can ensure high performance and low energy consumption of extruder and Injection molding machine. More over, we can supply professional screw and barrel to your order! Sincerely looking forward to establishing new business ship with you in the near future.