1.Parallel screw
2.Double screw
3.High Quliaty Base Material
4.Nitrided case depth:0.6-0.8mm
5.Pass the ISO9001:2000
Parallel screw
Double screw
Screw&barrel
Product name:Well performance parallel double screw barrel for extruder
twin parallel screw and barrel
Size:screw diameter 20-500mm
Maximum screw length :10000mm
Material:38CrMoAla
Advantage:
1.high quality screw with competitive price
2.high quality for fine dimensional accuracy
3.get cetificate of ROHS and ISO9001:2000
4.we have good surface treatment
5.different materials available as request
6.any sizes screws available according to main international standards
7.excellent anti-corrosion ability
8.natural colour or as request
9.general exporting packing or as request
10.we are original engineer manufactory
11.different kinds of screws available as request
Process figure:
TECHNICAL SPECIFICATIONS:
| Material | SACM645,38CrMoALA,SKD61... |
| Hardness after Hardning&Termpering | HB240-280 |
| Gas Nitrided time | Over96hours |
| Surface harndness | HRC58-62°C |
| Nitrided Brittleness | ≥Grade 2 |
| Nitrided Case depth | 0.5-0.8mm |
| Surface Roughness | Ra0.4 |
| Screw Straightness | 0.015mm |
| Surface Chromium-plating's Hardness after nitriding | :≥900HB |
| Chromium-Plating Depth | 0.05-0.10mm |
| Alloy Hardness | HRC50-65°C |
| Depth of Alloy Layer | 0.8-2.0 |
| spray welding on easy damage surface with imported alloy of plasma ion to prolong process life of screw. | |
Titan company pass the ISO9001:2000 SYSTEM and guarantee quality of the product
View of work:
