Precision Rebuilding • Reverse Engineering • Reliable Performance

IMR specializes in rebuilding and remanufacturing Lufkin extruder gearboxes, ensuring long-term reliability, optimal performance, and reduced downtime for heavy-duty extrusion applications.

WHAT WE SERVICE

• All Lufkin single-screw and twin-screw extruder gearbox models
• High-torque and high-load configurations
• Gear trains, helical gears, and thrust assemblies
• Gearbox housings, bores, endplates, and bearing fits
• Shafts, keys, and output assemblies
• Cooling system components

OUR REBUILDING PROCESS

1. Complete Teardown & Inspection

• Crack detection and wear analysis
• Gear and bearing condition assessment
• Alignment, center distance, and backlash verification
• Lubrication system evaluation

2. Precision Remanufacturing

• Shaft replacement or precision machining
• Gear grinding and tooth profile correction
• Housing weld-repair and machining to OEM specifications
• Reverse engineering of obsolete parts

3. Assembly & Testing

• Bearing preload and gear mesh set to spec
• Load and vibration testing
• Final inspection and performance certification

ADDITIONAL SERVICES

• Rush rebuilds and emergency service
• Free pickup & delivery nationwide
• Vibration and alignment support
• Oil system cleaning and filtration upgrades

COMMON FAILURE SIGNS

• Excessive noise or vibration
• Overheating or abnormal oil temperature
• Metal debris in oil
• Shaft or bearing play beyond tolerance
• Gear misalignment or tooth wear

WHY IMR

• Experienced with all Lufkin extruder gearbox models
• Fast turnaround with OEM-level precision
• Reverse engineering for unavailable parts
• Proven reliability in extrusion applications
• Full IMR warranty