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.
|