Pinion Gear Repair
Pinion Gear Repair USA — Mar 15, 2010 Gear failed during production. (No spare, EMERGENCY repair) Disassemble pinion assembly, repair teeth by welding, machine and hand finish teeth; and reassemble. Read Full Case Study
Repair Cracked Gear
Repair Cracked Gear — Sep 27, 2010 Cracked gear. Read Full Case Study
Suction Roll Repair
Suction Roll Repair — Mar 02, 2011 Suction Roll Repair Read Full Case Study
Inside Engine Weld Repair
Inside Engine Weld Repair — Apr 08, 2011 Metal Surgery was called due to a crack inside of an engine. Read Full Case Study
Kiln Gear Repair
Kiln Gear Repair — Apr 08, 2011 Metal Sugery was called due to a spoke that cracked in half. Read Full Case Study
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Impeller Repair

Full Case Study

Compressor had to be shut down due to extensive vibration leading to the discovery of a crack in the keyway of the impeller.

The Problem

Upon further inspection of the impeller, crack was found inside of the hub and erosion detected on the outside blades.

The Fix

Weld buildup required due to material erosion on the outside diameter.

The Results

Completed repair and ready for harmonics test, balancing and over-speeding.