900rpm Wittenstein Alpha Gearbox Overhaul Service for Twin Screw Extruder

This service provides factory-standard overhaul and performance restoration for Wittenstein Alpha SK96 series 900rpm gearboxes, which are widely used as the core transmission component in twin screw extrusion systems. Our overhaul process strictly adheres to original equipment manufacturer (OEM) specifications to fully recover the gearbox's design performance and reliability.

1. Extruder-Specific Optimized Transmission Architecture

   Adopts a transmission structure purpose-engineered for the high-torque, continuous-duty operating conditions of twin screw extruders.

2. Bilateral Symmetrical Gear Drive System

   Features a symmetrically arranged gear train that delivers balanced force distribution across the output shaft assembly, eliminating uneven loading that causes premature failure.

3. Radial Force Self-Canceling Mechanism

   The driven gear is simultaneously engaged and driven by two symmetrically positioned upper and lower pinions. This configuration fully counteracts the opposing radial forces (Fr1 and Fr2) acting on the shaft gears and support bearings, resulting in near-zero net radial load on the output shaft radial bearings.

4. Exceptional Durability and Load Capacity

   The force-balanced design minimizes theoretical bearing wear to negligible levels under rated operating conditions. This fundamental mechanical advantage significantly enhances the gearbox's torque density, load-bearing capacity and extends its service life.

All overhauled gearboxes undergo comprehensive load testing and precision alignment verification before delivery, ensuring compliance with original performance parameters.