Extrusion Screw Shaft
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Extrusion Screw Shaft

Chuangbo Extrusion is a leader manufacturer in China in high torque, , rolled shaft technology producing extruder screw shafts that can withstand significant increases in load, torque, and temperature. Working with leading materials suppliers, we have developed materials with the highest torque capacity and hardness properties to manufacture superior extruder shafts.

Product Description

Shaft is spline design which is good for torque distribution. 


Material

Using 40CrNiMoA material, the compactness is increased by forging and processing, and the material torque is improved by heat treatment process. 


Chemical Composition of materials

element

C

Mn

Cr

Ni

Mo

content

0.37 ~ 0.44

0.50 ~ 0.80

0.60 ~ 0.90

1.25 ~ 1.65

0.15 ~ 0.25


Mechanical Properties of Materials

Density (kg/m3): about 7830

Elastic modulus (GPa): 209

Tensile strength: b (MPa): ≥ 980 (100)

Yield strength: s (MPa): ≥ 835 (85)

The elongation is 5%: ≥ 12

The reduction rate of the cross section (%): ≥ 55

Impact energy Akv (J): ≥ 78

Impact toughness value of alpha kv (J/cm): ≥ 98 (10)


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