Vented Screw Barrel
Professional Bimetallic Screw Barrel & Plastic Machinery Parts Manufacturer
Vented Screw Barrel
A Vented screw barrel is a specialized component used in extrusion and injection molding processes. It features a venting section designed to remove gases and volatiles from the material during processing. This venting process is crucial for achieving high-quality, defect-free products by preventing issues like bubbles, voids, and moisture-related defects.
The parameter
Type | Code | HRC | Performance advantage | Alloy composition | Types of resin |
Grade C iron-based alloy barrel
Base Material: 50CrV / 40Cr | K1 | HRC 58-62 | Wear resistant | C, Mn, Si, B, Ni, Fe, Cr | General resin and general engineering resin. PP, PA, ABS, POM, PBT, PC with below 35% GF. |
K2 | HRC 64-69 | Highly wear resistant | C, Mn, Si, B, Ni, Fe, Mo, Cr | General resin and general engineering resin. PP,PA,LCP,PPS,PPA,POM,PBT,PC with below 40%GF. | |
Grade B nickel-based alloy barrel
Base Material: 50CrV / S45MnSiV | K3 （Ni+25% WC） | HRC 55-60 | Wear resistant,corrosion resistant | Cr, Si, B, Fe, Ni, C, W | General resin and general engineering resin. PP,PA,LCP,PPS,PPA,POM,PBT,PC with below 50%GF. |
K5 | HRC 58-62 | Highly wear resistant, Highly corrosion resistant | Cr, Si, B, Fe, Ni, C, W | General resin and general engineering resin. PP,PA,LCP,PPS,PPA,POM,PBT,PC,PEEK with below 60%GF,as well as common halogen-free PA9T, PA10T etc. | |
Grade A Cobalt -based alloy barrel
Base Material: S45MnSiV | K6 （Co+25% WC） | HRC 58-62 | Superior wear resistant,superior corrosion resistant | Cr, Si, B, Co, C, Ni, Mo, W | General resin and general engineering resin. PP, PA, LCP, PPS, PPA, POM, PBT, PC, PEEK with below 60%GF,as well as halogen-free raw material. |
K7 | HRC 60-65 | Superior wear resistant,superior corrosion resistant | W, Cr, Ni, Mo, B | Special high glass fiber superior halogen- free raw material. 4T, 6T, HTN, DSM, PSM and kinds of highly corrosive acidic plastic. |
Effective Gas and Volatile Removal
The venting section in our screw barrels ensures efficient removal of gases and volatiles, preventing defects and improving product quality.
Enhanced Processing Efficiency
By removing unwanted gases and volatiles, our vented screw barrels reduce the risk of defects and improve the overall efficiency of your processing operations.
Application product:
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| Textile Industries | Cable Industries | Food Industries | Blow molding | Blown-Film-Extrusion | Plastic Moulded Furniture |
