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Vibration Isolation Overview

Vibration Isolation Overview. Session 2 Selection Procedure. Choosing the right part Gathering Information. Airmount. Airmount isolator Design Parameter Sheet Selection Guide Load Requirements Isolation Requirements Individual Static Data Chart End Closure Options. Selection Procedure.

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Vibration Isolation Overview

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  1. Vibration Isolation Overview • Session 2 Selection Procedure

  2. Choosing the right partGathering Information

  3. Airmount

  4. Airmount isolator Design Parameter Sheet Selection Guide Load Requirements Isolation Requirements Individual Static Data Chart End Closure Options Selection Procedure

  5. Selection Procedure Page 105 in the MEMDG

  6. Selection Procedure Required Information: • Number of mounting points • Load (load distribution) • Disturbing Frequency • Space available • Available pressure • Special conditions

  7. Choosing the right partReading the catalog

  8. Take information from Design Parameter Sheet Look on page 33 to determine 2 or 3 possible parts that could accomplish the task Remember if you want better isolation, you need a part with more internal volume and a flatter load curve (increase the number of convolutions on a part of the same diameter to get these characteristics) Go to the detail page in the catalog for these parts Review these parts to pick the best candidate Determine the best end closure option (detail page and page 32) Using the air spring Engineering Manual & Design Guide

  9. Selection Procedure Page 33 in the MEMDG

  10. Selection Procedure • Page 33 in the MEMDG

  11. Selection Procedure Page 33 in the MEMDG Greater internal volume and less slope to effective area curve will give a lower natural frequency (better isolation), however, 3 convolution and 1T style parts have special stability concerns, so please consult Firestone before using these styles.

  12. Isolation Effectiveness 21-2 21 113-1 113 See page 26 of MEMDG

  13. Catalog data page • Air Spring Data Page • #20, Page 59 • Part Description • Part Dimensions • Isolation Table • Static Data Chart • Force Table

  14. Catalog data page Recommended Airmount Design Height 215 mm

  15. Selection Procedure (end closures) Page 32 and 33 in the MEMDG

  16. Take information from Design Parameter Sheet Look on page 33 to determine 2 or 3 possible parts that could accomplish the task Remember if you want better isolation, you need a part with more internal volume and a flatter load curve (increase the number of convolutions on a part of the same diameter to get these characteristics) Go to the detail page in the catalog for these parts Review these parts to pick the best candidate Determine the best end closure option (detail page and page 32) Using the air spring Engineering Manual & Design Guide

  17. MarshMellow

  18. Design Parameter Sheet Step 1 – Review the MarshMellow Design Parameter Sheet. This will help remind you of all of the questions you should ask, and get the information you would need to get help from your Firestone representative.

  19. Choosing the right partReading the catalog

  20. Take information from Design Parameter Sheet Look on pages 30 and 31 to determine 2 or 3 possible parts that could accomplish the task Remember if you want better isolation, you need a part that is taller and therefore, has a flatter load curve You also need to make sure the part has the travel (or stroke) required by the application Go to the detail page in the catalog for these parts Review these parts to pick the best candidate Be sure to review the mounting requirements listed on the page Using the MarshMellow spring catalog

  21. Selection Guide

  22. Selection Guide

  23. Catalog data page • MarshMellow Data Page • 0176 page 49 • Isolation Table • Part Dimensions • Mounting Requirements • Static Data Chart

  24. Take information from Design Parameter Sheet Look on pages 30 and 31 to determine 2 or 3 possible parts that could accomplish the task Remember if you want better isolation, you need a part that is taller and therefore, has a flatter load curve You also need to make sure the part has the travel (or stroke) required by the application Go to the detail page in the catalog for these parts Review these parts to pick the best candidate Be sure to review the mounting requirements listed on the page Using the MarshMellow spring catalog

  25. Break

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