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What's the best material for PP hollow corrugated sheet machine screw and barrel?

What's the best material for PP hollow corrugated sheet machine screw and barrel?
Update Time:2019-11-12
The material for PP hollow corrugated sheet  machine screw and barrel
PP hollow corrugated sheet  machine screw and barrel
Type for screw and barrel
Bimetal
Base raw material for screw and barrel
38CrMoALA
Alloy powder
Ni+Co+Cr+W+Si+Fe+B+C
Surfacre treatment
plating Cr
Main  specifications for PP hollow corrugated sheet machine screw and barrel
Extruder screw and barrel diameter
15mm-300mm
L:/D
15-45
Modulation hardness
HB260-290
Nitriding hardness
900-1000HV
Nitriding layer deepth
0.5-0.75mm
Plating Cr layer deepth
0.5-1mm
Plating Cr hardnedd
HV>85
Bimetal alloy layer deepth
1.2mm-2.0mm
Bimetal alloy layer hardness
HRC50-65
Nitrided brittleness
《 one grade
Surface roughness
Ra 0.4 U
Straightness
0.015mm
Tongsan provide good quality PP hollow corrugated sheet making machine for you

The specially designed screw and the advanced controlling system ensure excellent plasticization,high output and stable extruding.

The bimetal alloy screw and barrel can service longer than the common type.

We have the co-extrusion type to use the recycled plastic to reduce the cost with high quality products.

PP hollow sheet machine project
PP corrugated sheet making machine manufacturer
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