Nissei Screw Barrel
ROOTIER supplies replacement and custom screw barrels for Nissei injection molding machines. Our solutions cover different Nissei machine models and injection units, with screw diameters from Ø14 to Ø90 mm. Screw and barrel configurations can be manufactured according to the machine specification, screw diameter, L/D ratio and processed resin. Refer to the product data below to find the available Nissei screw barrel sizes.
Product data
| Product Name | Nissei Series |
|---|---|
| Tonnage | 10-2000T |
| Brand | ROOTIER |
| Screw Diameter | 16-200mm |
| Material | Bimetallic, Hardened |
| Application | PP, PE, PS, PVC, PA, PBT, PEEK, PVC, LCP, POM, PC.. |
Specification
Nissei Injection Unit Screw Barrel Size
| Model | Injection Unit | Screw Size |
|---|---|---|
| NEX15 | 18E | Ø14, Ø16, Ø19 |
| NEX30 | 50E | Ø19, Ø22 |
| NEX50 | 25E | Ø22, Ø26, Ø28 |
| NEX80 | 71E | Ø26, Ø28, Ø32 |
| NEX110 | 3EG | Ø28, Ø32, Ø36 |
| NEX140 | 5EG | Ø32, Ø36, Ø40 |
| NEX180 | 9EG | Ø36, Ø40, Ø45 |
| NEX220 | 12EG | Ø40, Ø45, Ø50 |
| NEX280 | 2EG | Ø45, Ø50, Ø56 |
| NEX360 | 100LE | Ø50, Ø56, Ø63 |
| NEX460 | 140LE | Ø50, Ø56, Ø63 |
| 18E | 210LE | Ø63, Ø71, Ø80, Ø90 |
| 50E | 210LE | Ø63, Ø71, Ø80, Ø90 |
Frequently Asked Questions
Yes. ROOTIER manufactures replacement screws, barrels, screw tips, non-return valves and nozzles engineered to fit Nissei injection molding machines. Standard sizes are held in stock for common models, and custom components are produced to drawing or sample.
Send your Nissei machine model, injection unit, screw diameter and L/D ratio together with the resin you process. ROOTIER will recommend the matching screw geometry, material and surface treatment for your application.
ROOTIER offers nitrided 38CrMoAlA, bimetallic-lined and fully hardened screws and barrels, with chrome plating, PVD or HVOF coatings selected for the resin, filler content and wear conditions of your Nissei machine.
Yes. ROOTIER manufactures screws, barrels and screw tips for Nissei NEX15 to NEX460 electric injection units, with screw diameters from Ø14 to Ø90 mm.
For Nissei’s small-diameter electric units, ROOTIER supplies precision screws with tight clearance and matched screw tips for consistent micro-shot dosing.