| Model: | - |
|---|---|
| Brand: | qunying |
| Origin: | Made In China |
| Category: | Industrial Supplies / Rubber & Plastics Machine |
| Label: | screw barrel , bimetallic screw , film screw barrel |
| Price: |
US $10000
/ set
|
| Min. Order: | 1 set |
| Last Online:17 Nov, 2016 |
o all our old or new friends:
Thanks for your visiting.Qunying screw, our is one of the best machinery parts supplier in China.We cooperate with many machine factories.We produce screw and barrel over 10 years in China,rich experience in producing or designing.Choose Qunying, you best choice!
Technical Parameters for screw and barrel:
Diameter: Ø15-Ø300
L/D ratio:15-55
Or other according to requirement, we are rich experience in producing and designing!
| Product |
Plastic bimetallic film blowing screw barrel |
| Material | 38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140)
Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61) |
| Nitrided Hardness | HV900°~1000° |
| Hardness after hardening and tempering | HB260 ° |
| Nitrided Depth | 0.5~0.7mm |
| Nitrided Brittleness | above 2 stage |
| Surface Roughness | Ra0.4 |
| Screw straightness | 0.015mm |
| Hardess of surface chromium-plating after Nitriding | HV≥950HV |
| Chromium plating Depth | 0.05~0.10mm |
| Alloy Depth | 0.8~3.0mm |
| Alloy hardness | HRC56°~65° |
| Alloy(bimetallic) | iron,nickel,tungsten,molybdenum |
| Types of screw barrel | Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc. |
