Expert Rebuilding • Reverse Engineering • Maximum Reliability

IMR provides full-service rebuilding and remanufacturing of NRM gearboxes, ensuring consistent performance, extended life, and reduced downtime for heavy-duty industrial and extrusion applications.

SERVICES PROVIDED

• Rebuilding all NRM gearbox models
• Single-screw and twin-screw configurations
• Gear trains, helical and spur gears, thrust assemblies
• Housing repairs, bores, and bearing fits
• Shaft, key, and output assembly refurbishment
• Cooling and lubrication system servicing

REBUILDING & MACHINING PROCESS

1. Detailed Inspection

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

2. Precision Remanufacturing

• Shaft repair or replacement
• Gear tooth profile correction and grinding
• Housing weld-repair and machining to OEM spec
• Reverse engineering for obsolete components

3. Assembly & Testing

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

ADDITIONAL SUPPORT

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

SIGNS YOUR GEARBOX NEEDS SERVICE

• Abnormal noise or vibration
• Overheating or unusual oil temperature
• Metal debris or contamination in oil
• Shaft or bearing play outside tolerance
• Gear misalignment or excessive wear

WHY CHOOSE IMR

• Experienced with all NRM gearbox models
• Fast turnaround with OEM-level precision
• Reverse engineering for unavailable or obsolete parts
• Proven performance in extrusion and industrial applications
• Full IMR warranty