Vibration Fundamentals Episode 2 docx

Vibration Fundamentals R. Keith docx

Vibration Fundamentals R. Keith docx

... not be used for vibration data acquired using either rela- tive vibration data from bearing caps or when using a velocity or acceleration trans- ducer. The only exception is when vibration levels ... possible. Library of Congress Cataloging-in-Publication Data Mobley, R. Keith, 1943- Root cause failure analysis / by R. Keith Mobley. p. cm. — (Plant engineering maintenance seri...

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Maintenance Fundamentals Episode 2 part 2 docx

Maintenance Fundamentals Episode 2 part 2 docx

... symmetrical. FREQUENCY GEARMESH AMPLITUDE Figure 11. 32 Wear or excessive clearance changes side band spacing. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 7:38pm page 22 2 22 2 Maintenance Fundamentals In addition ... gears are properly installed. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 7:38pm page 22 6 22 6 Maintenance Fundamentals...

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Maintenance Fundamentals Episode 2 part 5 docx

Maintenance Fundamentals Episode 2 part 5 docx

... Strand (Inches) 12X6 0.40 60 31 .5 4.0 15X6 0.49 73 41 .5 5.0 18X6 0 .56 84 5. 0 6.0 24 X8 1.16 174 10.0 30X10 1.60 24 0 14.0 36X 12 2.40 360 16.0 Keith Mobley /Maintenance Fundamentals Final Proof 15. 6 .20 04 5: 58pm ... Applications Inclination, degrees 10 15 20 25 30 35 Reduction in capacity, % 10 26 45 58 70 78 Keith Mobley /Maintenance Fundamentals Final Proof 15. 6 ....

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Maintenance Fundamentals Episode 2 part 11 docx

Maintenance Fundamentals Episode 2 part 11 docx

... double decomposition with another compound, Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 6 :28 pm page 4 02 4 02 Maintenance Fundamentals prevent shaft wear. Also referred to as a ‘‘packed ... of very short duration. Sump A pit or tank. Keith Mobley /Maintenance Fundamentals Final Proof 15.6 .20 04 6 :28 pm page 4 12 4 12 Maintenance Fundamentals either she...

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NOISE AND VIBRATION CONTROL Episode 2 docx

NOISE AND VIBRATION CONTROL Episode 2 docx

... -14 -15 -15 -15 20 00 -9 - 12 -15 -16 -17 -17 -17 -18 -18 320 0 -10 -13 -16 -17 -18 -19 -19 -20 -20 5000 -10 -14 -17 -18 -20 -21 -21 -22 -23 7000 -10 -14 -16 -19 -21 -22 -23 -24 -25 10000 -10 -14 -19 -21 -22 -23 -24 -25 ... -14 -19 -21 -22 -23 -24 -25 -26 20 000 -10 -15 -20 -22 -24 -26 -27 -30 -30 Infinite -10 -15 -21 -24 -27 -30 -33 -36 -39 abo...

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Vibration Fundamentals Episode 2 docx

Vibration Fundamentals Episode 2 docx

... Machine Dynamics or 2 d X dX 2 + 2 + X = 0 2 dt dt or 2 2 D + 2 D + = 0 which has a solution of: d 1 t d 2 t X = Ae + Be where 2 2 d 1 = à + µ – ω 2 2 d 2 = –µµ – ω– There are ... direction: 2 = – c – KX M d X Mg dX ( + h) g c 2 g c dt dt 2 M d X dX = Kh – c – KX – Kh g c 2 dt dt 2 M d X dX = – c – KX g c 2 dt dt M Divid...

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