LK

Screw, barrel and valve assemblies engineered to fit LK injection moulding machines.

LK — Rootier BY MACHINE component

LK Screw Barrel

ROOTIER supplies replacement and custom screw barrels for LK injection molding machines. Our solutions cover different LK machine models and injection units, with screw diameters from Ø30 to Ø140 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 LK screw barrel sizes.

Product data

Product NameLK Series
Tonnage10-2000T
BrandROOTIER
Screw Diameter16-200mm
MaterialBimetallic, Hardened
ApplicationPP, PE, PS, PVC, PA, PBT, PEEK, PVC, LCP, POM, PC..

Specification

LK Injection Unit Screw Barrel Size

ModelInjection UnitScrew Size
PT80—Ø30, Ø35, Ø40
PT130—Ø35, Ø40, Ø45
PT160—Ø40, Ø45, Ø50
PT200—Ø45, Ø50, Ø55
PT250—Ø50, Ø55, Ø60
PT320—Ø60, Ø65, Ø70, Ø75
PT400—Ø65, Ø70, Ø75, Ø80
PT480—Ø70, Ø75, Ø80, Ø90
PT560—Ø75, Ø85, Ø90, Ø100
PT650—Ø80, Ø90, Ø100, Ø110
PT850—Ø90, Ø100, Ø110, Ø120
PT1000—Ø100, Ø110, Ø120, Ø130
PT1300—Ø110, Ø120, Ø130, Ø140

Frequently Asked Questions

  • Yes. ROOTIER manufactures replacement screws, barrels, screw tips, non-return valves and nozzles engineered to fit LK injection molding machines. Standard sizes are held in stock for common models, and custom components are produced to drawing or sample.

  • Send your LK 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 LK machine.

  • ROOTIER supplies screws and barrels for LK PT80 through PT1300 machines, with screw diameters from Ø30 to Ø140 mm.

  • Yes. ROOTIER manufactures screws, barrels and tie bars for LK injection and die-casting platforms — provide the model and component drawing.