Double screw and barrel

Detailed Product Description

The company specially produces screws and molten-rubber cylinders for homemade and imported 30-20000 gram plastic injection machines, 15-300mm single screw extruders, 30-130mm tapered and parallel double screw extruders, rubber machinery, petroleum machinery, etc. Using quality steel 38CrMoAlA, all products accord with the national standards after the treatment of structural improvement, nitriding, grinding, and polishing. The company can make the screw cylinder made of GH113 Nickel-based alloy which can also be sprayed various alloys, F46 elevated temperature wire & cable sets, and customized Φ30-150 extruding equipments. Meanwhile

Double screw and barrel

Parallel twin screw and barrel type

φ40/2	φ50/2	φ65/2	φ80/2	φ90/2	φ105/2
φ125/2	φ130/2	φ150/2	φ180/2	φ200/2

Max L/D:1/36

Compressing rate of screw can be designed according to different raw materials and product.

 

Material

Alloy-Steel of High-quality

1)38CrMoALA(JIS SACM645)

2)42CrMo(JIS SCM440)

3)9Cr18MoV

4)CW6Mo5Cr4V2

Heat-treatment

Nitriding treatment

Electroplated hard-chrome finish

High-frequency quenching

Spray coating Bimetallic-alloy

Vacuum quenching