Gear Noise and Vibration Episode 1 Part 7 pps

... mm bore Accuracy Sec arc 1 1 ±5 ±5 13 13 18 18 No of lines typically 36000 36000 18 000 18 000 5000 5000 3600 3600 Output 11 nA 90kHz 1 V 18 0kHz TTL 1 MHz TTL 1 MHz TTL 300kHz TTL 300 ... parameters Dia. mm Mass kg 17 0 2.8 200 3.3 11 0 0 .7 11 0 0.8 58 0.25 58 0.25 36.5 0 .1 36.5 0 .1 Shaft type Solid 14 <j> 60 mm bore Solid 10 <t> 20mm bore...

Ngày tải lên: 05/08/2014, 09:20

... Measurement 10 7 Table 1 - Encoder parameters Dia. mm Mass kg 17 0 2.8 200 3.3 11 0 0 .7 11 0 0.8 58 0.25 58 0.25 36.5 0 .1 36.5 0 .1 Shaft type Solid 14 <j> 60 mm bore Solid 10 <t> 20mm bore 12 ... mm bore Solid 10 <j> Solid 4<J> 6 mm bore Accuracy Sec arc 1 1 ±5 ±5 13 13 18 18 No of lines typically 36000 36000 18 000 18 000 5000...

Ngày tải lên: 05/08/2014, 09:20

... to take the torque reaction may be spaced 1 m apart and at a full engine torque of 200 N m with 4 :1 first gear ratio and 3 .75 :1 final drive ratio, the load on each would be ... internal and external resonances by measuring the bearing vibrations and the noise simultaneously. This gives T.E. to bearing vibration as well as bearing vibratio...

Ngày tải lên: 05/08/2014, 09:20

... Gear Handbook, Ch 13 Gear vibration, McGraw-Hill, New York, 19 92. 3. Newland, D.E.N., Random vibrations, spectral and wavelet analysis. Longman, Harlow, UK and Wiley, New York, 19 93. ... and Storage 12 7 ampl 1 \f \ II /I I 1 maxfreq of interest N ' 1 1 i i i i 1 1 1 r i i i i i t 20 Hz T sample frequency filter characteristic 4kHz 5kHz frequ...

Ngày tải lên: 05/08/2014, 09:20

... changing 17 8 10 .7 Damping 17 9 10 .8 Production control options 18 1 References 18 3 11 . Lightly Loaded Gears 18 5 11 .1 Measurement problems 18 5 11 .2 Effects and identification 18 7 11 .3 Simple ... spiral bevels 11 2 7 .10 Practical problems 11 3 7 .11 Comparisons 11 7 References 11 9 8. Recording and Storage 12 1 8 .1 Is record...

Ngày tải lên: 05/08/2014, 09:20

... changing 17 8 10 .7 Damping 17 9 10 .8 Production control options 18 1 References 18 3 11 . Lightly Loaded Gears 18 5 11 .1 Measurement problems 18 5 11 .2 Effects and identification 18 7 11 .3 Simple ... Cracking 2 71 18.5 Scuffing 272 18 .6 Bearings 273 18 .7 Debris detection 276 18 .8 Couplings 277 18 .9 Loadings 278 18 .10 Overheating 279...

Ngày tải lên: 05/08/2014, 09:20

... Mech. Eng., Vol 17 2, 19 58, pp 87 -11 2. 4. Gregory, R.W., Harris, S.L. and Munro, R.G., 'Dynamic behaviour of spur gears.' Proc. Inst. Mech. Eng., Vol 17 8, 19 63-64, Part I, ... be hired. Newcastle [10 ], Huddersfield [11 ], and Cambridge [12 ] in the U.K.,

Ngày tải lên: 05/08/2014, 09:20

... Mech. Eng., Vol 17 2, 19 58, pp 87 -11 2. 4. Gregory, R.W., Harris, S.L. and Munro, R.G., 'Dynamic behaviour of spur gears.' Proc. Inst. Mech. Eng., Vol 17 8, 19 63-64, Part I, ... additional buttressing at the other end. 13 Causes of Noise 11 Ohio State University [13 ] and other researchers [14 , 15 , 16 ] have developed their own...

Ngày tải lên: 05/08/2014, 09:20

... attainable. References 1. Gregory, R.W., Harris, S.L. and Munro, R.G., 'Dynamic behaviour of spur gears.' Proc. Inst. Mech. Eng., Vol 17 8, 19 63-64, Part I, pp 2 07- 226. 2. Maag Gear Handbook ... CH8023, Zurich, Switzerland. 3. Harris, S.L., 'Dynamic loads on the teeth of spur gears. 1 Proc. Inst. Mech. Eng., Vol 17 2, 19 58, pp 87 -...

Ngày tải lên: 05/08/2014, 09:20

... attainable. References 1. Gregory, R.W., Harris, S.L. and Munro, R.G., 'Dynamic behaviour of spur gears.' Proc. Inst. Mech. Eng., Vol 17 8, 19 63-64, Part I, pp 2 07- 226. 2. Maag Gear Handbook ... CH8023, Zurich, Switzerland. 3. Harris, S.L., 'Dynamic loads on the teeth of spur gears. 1 Proc. Inst. Mech. Eng., Vol 17 2, 19 58, pp 87 -...

Ngày tải lên: 05/08/2014, 09:20