
Injection Molding Screw Barrel PP/PC/ABS injection screw barrel, Bimetallic screw barrel, plastic machinery components
Specification(Injection):
Screw diameter: Ø 20mm-Ø 220mm
Mould clamping force: 250T-3200T
Shot weight: 30G-30000G
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)9Cr18MOV
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical parameter:
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
Terms and Conditions:
Production time: 25 days
Packing: Film wrapped in wooden case
Trade Terms: FOB, CIF, CNF(as customer requests)
Payment Terms: T/T, L/C, West Union, etc
Warranty and service: 1 year
Our advantages:
1)Excellent raw materials
2)Good customer service
3)Rapid delivery
4)Reasonable price
5)Production quickly
Experienced manufacturer, we will be the best choice.
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. |