Machine-, Gear-, Antifriction Bearing Diagnosis

Diagnosis techniques	Diagnosis object	Application example	Diagnosis task
Vibration analysis	rotor-bearing-systems with journal bearings in machines and machine sets	Diplacement tranceducer and key phaser	Unbalance, missalignement, lubrication problems, resonances and instabilities in rotor-bearing system
	in rotor-bearing system with antifriction bearings in machines and machine sets	Accelerometers and key phaser	All failures and damage which lead to exitation of vibration like unbalances, missalignements...
	Teeth wheel gears, journal bearings, gear mesh	displacement transducer and key phaser displacement signals	larger geometric failures, missalignements, shaft benting, wear
	Teeth wheel gears, antifriction bearings, gear mesh	Accelerometers and key phaser, velocity signals, displacement transducer	larger geometric failures, missalignements, shaft benting, wear
Body sound analysis	antifriction bearings, simple cases	Accelerometers Acceleation signals and their broadband characteristic overall values	All failure and damage types, which leads to body sound exitation
	antifriction bearings, complex cases	Accelerometers acceleation signals and their narrow band characteristic values	All failure and damage types, which leads to body sound exitation
	Gear mesh in teeth wheel gears with antifriction bearings	Accelerometers acceleation signals and higher differantiation	Tooth flank wear, break outs, geometric failures
Struktural analysis	bump test	Natural vibrations of machine parts like shafts, cylinders, blades	Natural frequencies in case of resonance tests
	Exitations by electro dynamic shakers	Natural vibrations of machine parts like shafts, frames	Natural vibrations and deflactions shapes in case of resonance tests
	Operation vibration modes	Natural vibrations of machine parts like frames, housings	Natural frequencies in case of resonance tests
	Auslaufkurve	Eigenschwingung des gesamten Maschinensatzes oder von Bauteilen	Resonanzen von Bauteilen und Baugruppen
Turn vibration measurement	Drive strings: Drive machine, couppling, gear	Applications with strain gages	critical turn vibrations
Torque measurement	Drive strings: Drive machine, couppling, gear	Applications with strain gages	Torque peaks Torque fluctuations
Operation balancing	impellers, coupplings, pulley wheels	Single- and Two-plane balancing of rigid rotors	Balancing in accordance with recommanded balance quality
Motor current analysis	Electrical motors and generators	Single phases of electrical machine sampled with current clamp and evaluation in FFT-Analyser	Diagnosis of failures and damages, which influences the electro-magnetic field
Machine alignment	Couppled shaft strings, belt drives and teeth gears	Laser optical alignment systems	Guarranty of alignment limits
Oil analysis (greece analysis)	Antifrication and journal bearings	Oil analysis Greece analysis	Metallic particles, universal oil data
		Tranceducer for haze and water content	Oil outfall
		Trancducer - gas sensing	Oil condition - Additives, Oil stuff mixtures
Thermography	Motor windings, clamp box electrical parts, couplings, housing seals, Antifriction bearings	Thermography cameras	E.g.:Failures and damages with heating because of friction, deflaction, electrical warming or increased passing of heat
Endoscopy	Teeth gear stages and larger Antifriction bearings in housings	Endoscopy devices	E.g.: To make damages at rolling track or teeth flankes visible