Gear Noise and Vibration Episode 2 Part 7 potx

... ml 500000 25 0000 130000 64000 320 00 16000 8000 4000 20 00 1000 500 25 0 130 64 32 to to to to to to to to to to to to to to to 1000000 500000 25 0000 130000 64000 320 00 16000 8000 4000 20 00 1000 500 25 0 130 64 Group 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 Bearing ... loaded gear. The particle counts are classified into groups according to ISO 4406 and the fig...

Ngày tải lên: 05/08/2014, 09:20

... the particle count over 2 urn and is not of interest for gearboxes. 26 0 Chapter 16 Fig 16. 12 Sketch of vibration responses and paths. In practice, because measuring inside the gearbox ... ml 500000 25 0000 130000 64000 320 00 16000 8000 4000 20 00 1000 500 25 0 130 64 32 to to to to to to to to to to to to to to to 1000000 500000 25 0000 130000 64000 320 00 1...

Ngày tải lên: 05/08/2014, 09:20

... (brl*psil - brl*tan(phi2))/(pi*cos(phio)); r2 = (br2*psi2 - br2*tan(phi2))/(pi*cos(phio)); conratio = rl + r2; disp( f angle rl r2 contact ratio') disp([ phi2 rl r2 conratio ]) phi3 ... S.L. and Munro, R.G., 'Dynamic behaviour of spur gears.' Proc. Inst. Mech. Eng., Vol. 178 , 1963-64, Part I, pp 20 7 -22 6. Leming, J. C., 'High contact ra...

Ngày tải lên: 05/08/2014, 09:20

... 181 Damping assumptions, 75 increasing, 179 levels, 72 too high, 72 tooth, 74 Debris detection, 24 1 , 27 4 groups, 27 5 scratching, 27 6 Decoupling inertia, 1 92 Dipole, 170 Dirac impulse, 25 0 Distortions, gears, ... contact ratio gears curvature, 22 7 frequencies, 22 9 reasons, 22 3 shapes, 22 4 tip relief, 22 6 tip stresses, 22 7 Marker magnet...

Ngày tải lên: 05/08/2014, 09:20

... parameters Dia. mm Mass kg 170 2. 8 20 0 3.3 110 0 .7 110 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> 20 mm bore 12 mm bore Solid 10<j> Solid 4<J> 6 ... on Gear Noise and Vibration, I. Mech. E., April 1990, p 3. 2. Heidenhain Ltd., 20 0 London Rd., Burgess Hill, Sussex, RH15 9RD, U.K. or 11...

Ngày tải lên: 05/08/2014, 09:20

... of the Theory and Measurement of Gear Transmission Error.' Int. Conference on Gear Noise and Vibration, I. Mech. E., April 1990, p 3. 2. Heidenhain Ltd., 20 0 London Rd., ... MHz TTL 300kHz TTL 300 kHz TTL 300kHz TTL 300kHz Name ROD 800 RON 886 ROD 26 0 ROD 22 5 ERN 420 ROD 420 ROD 1 020 ERN 1 020 Encoder price is roughly proportional to w...

Ngày tải lên: 05/08/2014, 09:20

... 0 .2% of a rev (0. 72 ). If we have 50 teeth on the gear and are primarily interested in 1/tooth (and harmonics) noise then a 1% variation in speed between one revolution and ... non-synchronous, intermittent, random, or irregular vibration will behave like random vibration and average to zero. Even powerful vibration such as engine inertia and...

Ngày tải lên: 05/08/2014, 09:20

... 0 .2% of a rev (0. 72 ). If we have 50 teeth on the gear and are primarily interested in 1/tooth (and harmonics) noise then a 1% variation in speed between one revolution and ... non-synchronous, intermittent, random, or irregular vibration will behave like random vibration and average to zero. Even powerful vibration such as engine inertia and...

Ngày tải lên: 05/08/2014, 09:20

... as 2 jim rms the expected value of a low harmonic will be as high as 2V (2/ 32) which is 0.5 urn rms or 1.4 um p-p. 2. 5 V-1.5 10 20 30 40 50 harmonics of 1/rev 60 70 Fig 9 .20 ... car gearbox may require loaded T.E. to be less than 3 um in 5th, 5 um in 4th, 2 urn in 3rd (because of a particular difficult resonance), 7 um in 2nd and 12 um in...

Ngày tải lên: 05/08/2014, 09:20

... as 2 jim rms the expected value of a low harmonic will be as high as 2V (2/ 32) which is 0.5 urn rms or 1.4 um p-p. 2. 5 V-1.5 10 20 30 40 50 harmonics of 1/rev 60 70 Fig 9 .20 ... car gearbox may require loaded T.E. to be less than 3 um in 5th, 5 um in 4th, 2 urn in 3rd (because of a particular difficult resonance), 7 um in 2nd and 12 um in...

Ngày tải lên: 05/08/2014, 09:20