Gear noise and vibration 2nd ed
- نوع فایل : کتاب
- زبان : انگلیسی
- مؤلف : James D Smith
- ناشر : New York : Marcel Dekker
- چاپ و سال / کشور: 2003
- شابک / ISBN : 9780824741297
Description
Causes of Noise -- Possible causes of gear noise -- The basic idea of Transmission Error -- Gearbox internal responses -- External responses -- Overall path to noise -- T.E.-noise relationship -- Harris Mapping for Spur Gears -- Elastic deflections of gears -- Reasons for tip relief -- Unloaded T.E. for spur gears -- Effect of load on T.E. -- Long, short or intermediate relief -- Theoretical Helical Effects -- Elastic averaging of T.E. -- Loading along contact line -- Axial forces -- Position variation -- "Friction reversal" and "contact shock" effects -- No-load condition -- Prediction of Static T.E. -- Possibilities and problems -- Thin slice assumptions -- Tooth shape assumptions -- Method of approach -- Program with results -- Accuracy of estimates and assumptions -- Design options for low noise -- Prediction of Dynamic Effects -- Modelling of gears in 2-D -- Time marching approach -- Starting conditions -- Dynamic program -- Stability and step length -- Accuracy of assumptions -- Sound predictions -- Measurements -- What to measure -- Practical measurements -- Calibrations -- Measurement of internal resonances -- Measurement of external resonances -- Isolator transmission -- Once per revolution marker -- Transmission Error Measurement -- Original approach -- Batching approach -- Velocity approach -- High speed approach -- Tangential accelerometers -- Effect of dynamics -- Choice of encoders -- Accuracy of measurement -- Worms and wheels and spiral bevels -- Practical problems -- Comparisons.
