Conical Twin barrel for injection molding machine

 

 

Main Base materials

 

1.*8CrMoAlA  (Nitriding Steel)

2. SKD**1   (Special Tool Steel)

3. *2CrMo (Ultrahigh Strength Steel)

4. DC*3 (Cold Work Die Steel) 

5. W6Mo5Cr4V2 (High-Speed Tool Steel)

6. HPT

 

 

 

Main Alloy Materials

1. Ni-based alloy/Deloro alloy

2. Tungsten carbide/Wolfram carbide

3. NiCo-based alloy

4. Fe-based alloy

5. Co-based alloy  

 

 

 

 

Processing Technics

1. Heat treatment

2. Quenching

3. Nitriding treatment

4. Bimetallic alloy welding

5. Bimetallic alloy centrifugal casting

6. Hard-chrome electroplating

 

 

 

 

 

Technical parameters

Nitriding layer depth

0.**0.8mm

Nitrided hardness

HRC****8

Nitrided brittleness

Less than grade 1

Surface roughness

Ra 0.4

Linearity of screw

0.**5mm

Hard-chrome plating hardness

≥HRC*7

Chrome-plating layer depth

0.***0.*9mm