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PIN-WHEEL INTERNAL PLANETARY MECHANISM |
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Description
Round eccentric 1 rotates about fixed axis A of shaft 6 and is encircled by collar b of pin wheel 3 having pins 4 which rotate freely about axes B of wheel 3. Pins 4 mesh with internal engagement with fixed wheel 7 and with external engagement with wheel 2 which rotates about fixed axis D of shaft 5. The speed n₅ (in rpm) of shaft 5 is related to the speed n₆ of shaft 6 by the equation n₅=-n₆(z₇-z₂)/z₂ where z₂ and z₇ are the numbers of teeth of gears 2 and 7. |
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