Gear Noise and Vibration Episode 2 Part 2 pptx

Gear Noise and Vibration Episode 1 Part 4 docx

... must give noise off-design and these spur gears will be sensitive to manufacturing errors. The spur gear alternative is to use a nominal contact ratio above 2 to achieve a handover ... D.R,, Gear noise sources and their prediction using mathematical models. Gear Design, SAE AE-15, Warrendale 1990, Ch 16. 2. Welbourn, D.B., 'Forcing frequencies due...

Ngày tải lên: 05/08/2014, 09:20

Gear Noise and Vibration Episode 1 Part 5 docx

... line, partly due to the gear flank shapes and partly due to the vibration. If the nominal mean elastic deflection in the mesh is of the order of 10 urn, then a vibration of 2 ... original vibration generation information and the accelerometers give the casing and system response information. 6 .2 Practical measurements As far as noise measurements...

Ngày tải lên: 05/08/2014, 09:20

Gear Noise and Vibration Episode 1 Part 6 docx

... acceleration output is about 101 mV/pC x 25 pC/g or 25 00 mV/g acceleration and so 25 0 mV per m s" 2 and the velocity sensitivity is then 25 0 mV per mm s" 1 . At the other ... a car engine and gearbox, the supports to take the torque reaction may be spaced 1 m apart and at a full engine torque of 20 0 N m with 4:1 first gear r...

Ngày tải lên: 05/08/2014, 09:20