Evaluation of a vibration diagnostic system for the detection of spur gear pitting failures

Conference · Tue Jun 01 04:00:00 EDT 1993

OSTI ID:5842621

Townsend, D P; Zakrajsek, J J

A vibration diagnostic system was used to detect spur gear surface pitting fatigue in a closed-loop spur gear fatigue test rig. The diagnostic system, comprising a personal computer with an analog-to-digital conversion board, a diagnostic system unit, and software, uses time-synchronous averaging of the vibration signal to produce a vibration image of each tooth on any gear in a transmission. Several parameters were analyzed including gear pair stress wave and raw baseband vibration, kurtosis, peak ratios, and others. The system provides limits for the various parameters and gives a warning when the limits are exceeded. Several spur gear tests were conducted with this system and vibration data analyzed at 5-min. intervals. The results presented herein show that the system is fairly effective at detecting spur gear tooth surface fatigue pitting failures. 4 refs.

• OSTI ID: 5842621
• Report Number(s): AIAA-Paper--93-2298; CONF-930633--
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
360105 -- Metals & Alloys-- Corrosion & Erosion
42 ENGINEERING
420200 -- Engineering-- Facilities
Equipment
& Techniques
BEARINGS
CHEMICAL REACTIONS
COMPUTERS
CORROSION
DETECTION
DIGITAL COMPUTERS
FATIGUE
FEEDBACK
GEARS
MACHINE PARTS
MECHANICAL PROPERTIES
MECHANICAL VIBRATIONS
MICROCOMPUTERS
PERSONAL COMPUTERS
PITTING CORROSION