conical twin screw and barrel  

Material

 1. SACM645

 2. 38CrMoALA

Process

 1. 85 hours nitriding heatment in vacuum

 2. Electroplated hard chromium coating

 3. High-frequency quenching

 4. Spray conating bimetallic-alloy

Specification

1. Material: SACM645.  38CrMoALA

2. Nitriding depth: 0.5mm~0.75mm

3. Nitriding  hardness: HV950~HV1100

4. Application: PP,PE,ABS,AS,PS,PU,TPU,EVA

5. Screw straight tolerance: 0.015mm/m

Our company can produce screw and barrel according to every customer's drawing and need

conical twin screw and barrel