Specifications

1.Excellent raw materials
2.Good customer service
3.Short delivery time
4.Reasonable price
5.ISO9001:2008 quality control

Nitriding steel screw barrel for rubber machine   

 

Specification:

Diameter of pin screw and barrel: Φ75mm-Φ200mm

Diameter of cold feed or hot feed screw and barrel: Φ30mm-Φ300 mm

L/D ratio:12-18

 

Technical Information:

 

 

 

Technological Process:

 

Order receiving → Drawing confirmation → Blanking → Thermal refining → Rough Turning → Barrel drilling → Semi Finishing Machining → Bimetallic making → Nitriding treatment →Hard-chrome plating → Grinding → Barrel honing → Polishing → Inspecting → Packing → Shipping 

 

 

We can supply best quality products and best customer service~!