screws and barrels for injection molding
| Steel Material | DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA |
| Deepness of Nitriding Layer | 0.7 mm -0.9 mm |
| Hardness of Nitriding | HV900 - HV1,000 |
| Nitriding Brittleness | ≤Grade 1 |
Chromate plating | Thickness 0.05 mm - 0.10 mm, hardness HV950 |
Special treatment | Carbide coating on screw flight and bimetallic barrel |
| Screw straight tolerance | 0.015 mm/m |
| Surface roughness | Ra 0.4μm |
Quality Certificate:
•100%Quanlity Inspection
As the screw and barrel are the important parts for plastic extruders and injection molding machine,they affect the machine performance and quality directly,therefore,QunYing established quality control system strictly as ISO 9001:2008 International Quality System, our every production process is under strict inspection , Those provides solid foundation for our quality products!What we need to do is to make sure best quality of each screw and barrel.Till now,our screw and barrel has been sold to more than 40 countries in the world and enjoy a good reputation by our customers!
Technical parameter
Amount of injection | 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 |
100-125 | 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 |
About us
QunYing Screw is leading supplier of SCREW and BARREL in china,including designing,manufacturing and sales for these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Chende,Chenxiong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba,Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. We also can supply all types of screw and barrel according to your different requirements.
