Complete Rebuilding • Reverse Engineering • Precision Machining & Grinding

IMR specializes in the full-service rebuilding and remanufacturing of Davis-Standard extruder gearboxes, delivering better-than-OEM performance, longer life, and improved durability.

ABOUT DAVIS-STANDARD

Davis-Standard is a global leader in plastics and rubber extrusion equipment, known for durable, high-performance extruder gearboxes engineered for heavy torque and continuous operation. Proper rebuilding is essential to maintain long-term reliability and performance.

WHAT WE SERVICE

• All Davis-Standard single-screw extruder gearboxes
• All Davis-Standard twin-screw gearbox models
• High-torque / high-load gearbox configurations
• Gear trains, helical gear sets & thrust assemblies
• Gearbox housings, bores, endplates, and bearing fits
• Output shafts, thrust shafts & keyways
• Cooling system components

OUR REBUILDING PROCESS

1. Complete Teardown & Failure Analysis

• Full crack inspection
• Bearing & gear wear evaluation
• Alignment and center distance check
• Lubrication & contamination diagnosis

2. Precision Remanufacturing

• New shaft manufacturing
• Reverse engineering of obsolete components
• Oversize bearing bore machining
• Housing weld-repair & machining back to OEM spec
• Gear grinding & tooth profile correction

3. Assembly, Testing & Certification

• Bearing preload & gear backlash set to spec
• Test run under load
• Final inspection report provided

ADDITIONAL SERVICES

• Emergency rush rebuilds
• Free pickup & delivery nationwide
• Vibration check support
• Oil system cleaning & filtration upgrades

COMMON FAILURE SYMPTOMS

• High noise or vibration
• Overheating thrust assembly
• Oil contamination / metallic debris
• Shaft movement or thrust drift
• Gear seizing or locking

WHY IMR

• Fast turnaround
• OEM-level machining accuracy
• Reverse engineering for any unavailable parts
• Proven reliability in plastics extrusion
• Backed by the IMR warranty