China rubber machine screw barrel manufacturer, screw barrel for rubber machine extruder
The rubber machine scre barrel for rubbe machine extruder that can strengthen the performance of the plastic products.We are a professional manufacturer of screw and barrel which has been in the line for many years,we can make all kinds of screw and barrel according to your requirements.
Heat-treatment:
1.Nitriding treatment
2.Electroplated hard-chrome finish
3.High-frequency quenching
4.Spray coating Bimetallic-alloy
5.Vacuum quenching
Technical specification:
| Hardness After Hardening &Tempering: | HB240 -280 |
| Nitrided Hardness: | Hv850-1000 |
| Nitrided Depth: | 0.45-0.7mm |
| Nitrided Brittleness: | ≤Grade 2 |
| Surface Roughness: | Ra0.4 |
| Screw straightness: | 0.015mm |
COLD FEED PINNED SCREW & BARREL OF RUBBER MACHINE
Φ60mm~Φ250mm
L/D=12-18
COLD FEED SCREW & BARREL OF RUBBER MACHINE
Φ45mm~Φ300mm
L/D=8-20
HOT FEED SCREW & BARREL OF RUBBER MACHINE
Φ45mm~Φ250mm
L/D=4-6
Rubber machine screw barrel
