Screw barrel for injection
Injection molding machnine screw barrel
Injection molding machine screw barrels are critical components in the injection molding process, responsible for melting, mixing, and injecting thermoplastic materials into molds to create finished plastic parts. These screw barrels are designed with precision flight geometries and materials that withstand high temperatures, pressures, and abrasive materials commonly used in injection molding.
Specification
| Amount of injection (g) | Screw diameter*length (mm) | Barrel diameter *length (mm) | Amount of injection (g) | Screw diameter *length (mm) | Barrel diameter*length (mm) |
| 30-90 | Φ30*90 | Φ85*860 | 800-1250 | Φ75*1825 | Φ170*1725 |
| 60-125 | Φ35*910 | Φ85*860 | 1000-1500 | Φ80*2000 | Φ180*1805 |
| 100-150 | Φ38*935 | Φ95*900 | 1250-2000 | Φ85*2300 | Φ190*1900 |
| 125-160 | Φ40*980 | Φ95*910 | 2000-3000 | Φ90*2700 | Φ210*2000 |
| 125-300 | Φ42*1030 | Φ105*8880 | 2500-5000 | Φ100*2600 | Φ230*2405 |
| 250-400 | Φ45*1210 | Φ115*1165 | 3000-6000 | Φ110*2600 | Φ256*2590 |
| 300-500 | Φ50*1300 | Φ125*1260 | 4000-10000 | Φ120*2800 | Φ256*2800 |
| 450-600 | Φ55*1335 | Φ130*1320 | 6000-8000 | Φ130*3010 | Φ256*2970 |
| 500-700 | Φ56*1350 | Φ130*1350 | 8000-10000 | Φ145*3010 | Φ256*3200 |
| 500-700 | Φ60*1380 | Φ140*1350 | 10000-15000 | Φ160*3500 | Φ270*3200 |
| 650-800 | Φ65*1415 | Φ150*1420 | 13000-25000 | Φ170*3415 | Φ317*3380 |
| 700-1000 | Φ70*1790 | Φ160*1685 |
Specification
（Mould Clamping Force）:250~3200KN,（Shot Weight）30~80000g
（Diameter of screw）: φ20mm~φ300mm
Screw can be matched with different heads, and barrel can be matched with different nozzles.
Application
House holding / Pipe fittings and other plastic injection products
Functionality & application:
1. Application: PET/PE/PP/PS/PC/ABS etc. 2. Production output: 100 ton~8000 ton
Features:
1.Accurate size 2.High capacity geometry
3.Wear resistin 4.Easy maintenance
Our Benefits
1. Precision Melt Control and Mixing
Injection molding machine screw barrels ensure precise melt control and thorough mixing of additives, colorants, and fillers into the polymer melt. This results in uniform melt quality and enhanced part aesthetics.
2. Extended Service Life and Durability
Our screw barrels are manufactured from high-quality materials, including nitrided steel, bimetallic alloys, and tungsten carbide coatings, to withstand abrasive wear and corrosion. This ensures extended service life and reduced maintenance downtime.
3. Optimized Injection Molding Parameters
By optimizing screw design and material selection, our screw barrels enhance injection molding parameters such as cycle time, shot size consistency, and part dimensional stability. This improves overall production efficiency and reduces scrap rates.
4. Customization Options
We offer customization options to meet specific customer requirements, including screw diameter, length-to-diameter ratio (L/D), flight geometry, material composition, and surface treatments. Our engineering expertise ensures that each injection molding machine screw barrel is optimized for maximum performance and reliability.
