Screw & Barrel Repair
Available from Precision Pump and Gear Works
We repair extruding screws, barrels, feed throats, injection molding screws, feed screws, rubber molding screws, double-barreled screws, recycling knives, plastics granulating knives, grinder blades, chopper blades, and all types of mixtures, segments, and screens.
PPG has a unique way of Refurbishing Screws back to its standard size, and returning it to it’s original specification with a longer life and warranty. Even if the equipment is chipped, broken, cracked, or down from previous grinding, we can refurbish back to manufactures specifications.
Repair and rebuild services include flight repairs, root and radius repairs, and full length coatings on extrusion and injection screws. Fligiht repairs are performed using a multi-step welding process utilizing plasma transferred arc welding with a complete quality control system.Root and Radius repairs, as required, are made with compatible base metals or hardsurfacings for value added protections against future damage. Full length coatings offer additional protectioin to extruders processing fiberglass or talc reinforced resins.