Cold feed pinned screw & barrel of rubber machine

Specification：Ф60mm-Ф250mm

Length/Diameter Ratio：L/D：12-18

Cold feed screw & barrel of rubber machine

Specification：Ф45mm-Ф4300mm

Length/Diameter Ratio：L/D：8-20

Hot feed screw & barrel of rubber machine

Specification：Ф45mm-Ф250mm

Length/Diameter Ratio：L/D：4-6

1 Material:38crMoAIA，Nitriding treatment，Surface hardness.HV≥900 Depth of nitration case：0.5-0.8mm

2 Material：Surface WC/CO overall spray welding, can effectively improve the service life of the screw.

Screw application：

The use of two-head or three-head thread feeding section is more conducive to the feeding of rubber powder, and the use of a thread opening groove to promote the homogenization of materials, such as butyl rubber, natural rubber, nitrile rubber, styrene-butadiene rubber.