| Price: | Negotiable/Set |
|---|---|
| Trade Terms: | FOB,CFR,CIF |
| Min Order: | 1/Set |
| Pay Type: | L/C,T/T |
Technical information:
Base materials:
1)38CrMoAlA (JIS SACM645)
2)42CrMo (AISI 4140)
Bimetallic alloy materials:
1)Ni-based alloy/Deloro alloy
2)Tungsten carbide/Wolfram carbide
Processing technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Ionic nitriding treatment
Bimetallic alloy centrifugal casting
Technical parameters:
Nitriding layer depth: 0.3-0.7mm
Nitrided Hardness: 850-950HV (HRC 50-60)
Nitrided brittleness: Less than grade 1
Surface roughness: Ra 0.4
Linearity of screw: 0.015mm
Bimetallic layer depth: 2 mm
Bimetallic layer hardness: HRC 50-65
Terms and Conditions:
Means of transport: Ocean, Air, Express
Production time: About 20-30 days after we receive the advanced payment
Production Process:
Receiving orders - Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching - Hard-chrome plating - O. D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing & Shipping
JL SCREW's advantage:
First-class designing and researching team;
High quality and durable products of screw barrel;
Most professional sales who can serve for you timely;
Best customer service especially after-sale service;
Powerful company's strength support long-term cooperation.
Welcome to contact us, Tracy will reply you timely!
| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Mid East,Eastern Asia,Western Europe |
|---|---|
| Application: | Extruder |
| Base Material: | 38crmoala |
| Nitrided Hardness: | 900-1000hv (HRC 55-65) |
| Nitrided Layer Depth: | 0.5-0.8mm |
| Nitrided Brittleness: | Less Than Grade 1 |
| Surface Roughness: | Ra 0.4 |
| Linearity Of Screw: | 0.015 Mm |
| Bimetallic Layer Depth: | 3 Mm |
| Bimetallic Layer Hardness: | HRC 58-70 |
| Hardness After Hardening&Tempering: | Hb240-280 |
| Screw: | Single-Screw |
| Automation: | Automatic |
| Computerized: | Computerized |
| Plastic Processed: | PE |
| Type: | Planetary Extruder |
