| Model: | zy-12 |
|---|---|
| Brand: | zhongyang |
| Origin: | Made In China |
| Category: | Industrial Supplies / Rubber & Plastics Machine |
| Label: | pp , design , PVC |
| Price: |
US $800
/ pc
|
| Min. Order: | 1 pc |
| Live Chat: | Last Online:26 Apr, 2013 |
Screw Diameter:D15-D300
L/D ratio:15-46
Product classification:
Aiming at different plastic products the screw can be chosen from: general type ,pin type,barrier type,separation type,and vented type etc.1.38CrMoAIA(JIS SACM645)
2.42 CrMo (AISI 4140)
3.4Cr5MoSiV1(JIS SKD-61)
4.9Cr18MoV
5.HPT
Bimetallicalloy materials:
1.Fe-based alloy
2.Ni-based alloy/Deloro alloy
3.Co-based alloy
4.NiCo-based alloy
5.Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
| Payment Terms: | TT/LC |
|---|---|
