Foreword
Part I - Fundamentals of Sound as Related to Gears
1.1 Scope
1.2 References
1.3 Symbols and definitions
1.4 What is sound?
1.5 Description of sound
1.6 Sound or noise?
1.7 Generation of sound in gear units
1.8 Sound transmission
1.9 Noise control
Part II - Sources, Specifications and Levels of Gear Sound
2.1 Gear sound sources
2.2 Sound spectrum experience
2.3 Specification and standards
2.4 Gear system sound levels
Part III - Gear Noise Control
3.1 Source noise control
3.2 Gear design noise control
3.3 Gear housing noise control
3.4 Bearing noise control
3.5 Shaft and hub design noise control
3.6 Lubrication noise control
3.7 Noise control with system analysis
3.8 Noise of gear unit accessories
3.9 Noise control in the transmission path
3.10 Noise control materials
3.11 Total enclosures
3.12 Control summary
Figures
Tables