Extruders twin screw core shaft (suitable for XPS1# extruder machine)

High torque, high strength, high precision extruder core shaft, involute spline core shaft.　

Diameter range：Φ10-Φ300mm

Material：WR12、40CrNiMo、38CrMOAIA、42CrMo

Applicable Brands：Chinese-made extruders, and foreign ones like Leistritz, JSW, Toshiba, Baker Perkins, SM Platek, Wenger, Clextral,  etc.

Spline type：DIN5480, JIS-B-1603, GB3478 involute splines, hex keys, flat keyways, semicircular keys, rectangular keys.

Nitriding depth:                                          0.5mm-0.7mm
Nitriding layer hardness:                              HV960-1100
Screw straightness:                                     0.015mm
Surface finish:                                             0.04Ra/um~0.08Ra/um
Aspect ratio:                                               1:(8~45)
Process:                                                       Nitriding and Bimetallic
Bimetallic screw alloy layer hardness:         HRC > 60
Alloy layer depth:                                        2~2.5
Chromed screw chrome layer thickness:     0.03-0.06mm
Nitriding brittleness:                                    < 2

Origin: China 

Applicable to CO2-XPS Extruders  Machine#1