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THREE-SPEED GEARBOX MECHANISM |
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 Click to enlarge
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Description
Rigidly attached gears 4 and 6 slide along square guide a of shaft 1. Clutch member 3 is rigidly attached to (or integral with) gear 6. Gears 7, 9 and 8 are keyed to shaft 2. Gear 8 is in constant engagement with gear 5 which rotates freely about shaft 1. When driving shaft 1 rotates, driven shaft 2 can have any one of three speeds; for the first, gear 4 is shifted into engagement with gear 7; for the second, gear 6 is shifted into engagement with gear 9; and for the third, clutch member 3 is engaged to gear 5. The corresponding transmission ratios are i₁₂=-z₇/z₄, i₁₂=-z₉/z₆ and i₁₂=-z₈/z₅ where z₄, z₅, z₆, z₇, z₈ and z₉ are the numbers of teeth of gears 4, 5, 6, 7, 8 and 9. |
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THREE-SPEED GEARBOX MECHANISM
Click to enlarge
Rigidly attached gears 4 and 6 slide along square guide a of shaft 1. Clutch member 3 is rigidly attached to (or integral with) gear 6. Gears 7, 9 and 8 are keyed to shaft 2. Gear 8 is in constant engagement with gear 5 which rotates freely about shaft 1. When driving shaft 1 rotates, driven shaft 2 can have any one of three speeds; for the first, gear 4 is shifted into engagement with gear 7; for the second, gear 6 is shifted into engagement with gear 9; and for the third, clutch member 3 is engaged to gear 5. The corresponding transmission ratios are i₁₂=-z₇/z₄, i₁₂=-z₉/z₆ and i₁₂=-z₈/z₅ where z₄, z₅, z₆, z₇, z₈ and z₉ are the numbers of teeth of gears 4, 5, 6, 7, 8 and 9.
$2849$CxG,SR$
| Documents: |
Gear mechanisms [Streambook] |
 DMG-Lib |
 https://www.dmg-lib.org/dmglib/handler?image=19553023 |
|
 Europeana |
 http://www.europeana.eu/portal/record/2020801/dmglib_handler_image_19553023.html |
 Ilmenau TU |
http://www.tu-ilmenau.de |
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