Manufacturing bimetallic rubber extruder machine screw and barrel
Specification:
Diameter of pin screw and barrel:D75mm-D200mm
Diameter of cold feed or hot feed screw and barrel:D30mm-D300mm
L/D ratio :12-18
Technical Information:
Main Base materials
| 1.38CrMoAlA (Nitriding Steel) | |
2. SKD-61 (Special Tool Steel) | ||
3. 42CrMo (Ultrahigh Strength Steel) | ||
4. DC53 (Cold Work Die Steel) | ||
5. W6Mo5Cr4V2 (High-Speed Tool Steel) | ||
6. HPT | ||
| ||
Main Alloy Materials | 1. Ni-based alloy/Deloro alloy | |
2. Tungsten carbide/Wolfram carbide | ||
3. NiCo-based alloy | ||
4. Fe-based alloy | ||
5. Co-based alloy | ||
| ||
Processing Technics | 1. Heat treatment | |
2. Quenching | ||
3. Nitriding treatment | ||
4. Bimetallic alloy welding | ||
5. Bimetallic alloy centrifugal casting | ||
6. Hard-chrome electroplating | ||
| ||
Technical parameters | Nitriding layer depth | 0.5-0.8mm |
Nitrided hardness | HRC56-58 | |
Nitrided brittleness | Less than grade 1 | |
Surface roughness | Ra 0.4 | |
Linearity of screw | 0.015mm | |
Hard-chrome plating hardness | ≥HRC57 | |
Chrome-plating layer depth | 0.03-0.09mm | |
Bimetallic layer depth | 3 mm | |
Bimetallic layer hardness | HRC58-62 | |
Above are main technical information, a suitable screw and barrel will be made according to your requirement. | ||
ISO 9001:2008 approved :
ABOUT ZHONGYANG:
ZY screw has been established for 20 years and has 8 years experience in exporting screws and barrels, we have experienced workers, all necessary equipments like CNC machines, centrifugal casting machines, nitriding furnace...... More processing steps will be used in the manufacturing in order to have a better quality, all screw and barrel will be checked more than once before shipping.
You can tell us your requirement in wear& corrosion resistant or others, different price will be quoted, also design service& measure service is provided too.
Choose us, we do screw and barrel in good attitude!
Thanks for visiting,hope to cooperate with your company !