https://hades.mech.northwestern.edu//index.php?title=Gear_Motor&feed=atom&action=historyGear Motor - Revision history2024-03-29T14:16:14ZRevision history for this page on the wikiMediaWiki 1.35.9https://hades.mech.northwestern.edu//index.php?title=Gear_Motor&diff=4603&oldid=prevLynch at 15:09, 27 December 20062006-12-27T15:09:25Z<p></p>
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<td class="diff-addedline diff-side-added"><div>''You can find more on choosing motors and gears at the</div></td>
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<td class="diff-addedline diff-side-added"><div>[[Choosing a Motor and Gearing Combination|Choosing a Motor and Gearing Combination]] page.''</div></td>
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<td class="diff-context diff-side-deleted"><div>"Gear motor" refers to a combination of a motor plus a reduction geartrain. These are often conveniently packaged together in one unit. The gear reduction (gear train) reduces the speed of the motor, with a corresponding increase in torque. Gear ratios range from just a few (e.g. 3) to huge (e.g. 500). A small ratio can be accomplished with a single gear pair, while a large ratio requires a series of gear reduction steps and thus more gears. There are a lot of different kinds of gear reduction.</div></td>
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<td class="diff-context diff-side-added"><div>"Gear motor" refers to a combination of a motor plus a reduction geartrain. These are often conveniently packaged together in one unit. The gear reduction (gear train) reduces the speed of the motor, with a corresponding increase in torque. Gear ratios range from just a few (e.g. 3) to huge (e.g. 500). A small ratio can be accomplished with a single gear pair, while a large ratio requires a series of gear reduction steps and thus more gears. There are a lot of different kinds of gear reduction.</div></td>
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</table>Lynchhttps://hades.mech.northwestern.edu//index.php?title=Gear_Motor&diff=4542&oldid=prevLIMS at 23:43, 26 December 20062006-12-26T23:43:42Z<p></p>
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<td class="diff-context diff-side-deleted"><div>"Gear motor" refers to a combination of a motor plus a reduction geartrain. These are often conveniently packaged together in one unit. The gear reduction (gear train) reduces the speed of the motor, with a corresponding increase in torque. Gear ratios range from just a few (e.g. 3) to huge (e.g. 500). A small ratio can be accomplished with a single gear pair, while a large ratio requires a series of gear reduction steps and thus more gears. There are a lot of different kinds of gear reduction.</div></td>
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<td class="diff-context diff-side-added"><div>"Gear motor" refers to a combination of a motor plus a reduction geartrain. These are often conveniently packaged together in one unit. The gear reduction (gear train) reduces the speed of the motor, with a corresponding increase in torque. Gear ratios range from just a few (e.g. 3) to huge (e.g. 500). A small ratio can be accomplished with a single gear pair, while a large ratio requires a series of gear reduction steps and thus more gears. There are a lot of different kinds of gear reduction.</div></td>
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<td class="diff-deletedline diff-side-deleted"><div>In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at angular velocity Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on <del class="diffchange diffchange-inline">may</del> other factors.</div></td>
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<td class="diff-addedline diff-side-added"><div>In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at angular velocity Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on <ins class="diffchange diffchange-inline">many</ins> other factors.</div></td>
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<td class="diff-context diff-side-deleted"><div>For large N, often the maximum output torque is limited by the strength of the final gears, rather than by N times the motor's torque.</div></td>
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<td class="diff-context diff-side-added"><div>For large N, often the maximum output torque is limited by the strength of the final gears, rather than by N times the motor's torque.</div></td>
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<td class="diff-deletedline diff-side-deleted"><div>"Gear motor" refers to a combination of a motor plus a reduction geartrain. These are often conveniently packaged together in one unit. The gear reduction (gear train) reduces the speed of the motor, with<del class="diffchange diffchange-inline"> a</del> a corresponding increase in torque. Gear <del class="diffchange diffchange-inline">ratio</del> range from just a few (e.g. <del class="diffchange diffchange-inline">8</del>) to huge (e.g. 500). A small ratio can be accomplished with a single gear pair, while a large ratio requires a series of gear reduction steps and thus more gears. There are a lot of different kinds of gear reduction.</div></td>
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<td class="diff-addedline diff-side-added"><div>"Gear motor" refers to a combination of a motor plus a reduction geartrain. These are often conveniently packaged together in one unit. The gear reduction (gear train) reduces the speed of the motor, with a corresponding increase in torque. Gear <ins class="diffchange diffchange-inline">ratios</ins> range from just a few (e.g. <ins class="diffchange diffchange-inline">3</ins>) to huge (e.g. 500). A small ratio can be accomplished with a single gear pair, while a large ratio requires a series of gear reduction steps and thus more gears. There are a lot of different kinds of gear reduction.</div></td>
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<td class="diff-deletedline diff-side-deleted"><div>In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on may other factors.</div></td>
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<td class="diff-addedline diff-side-added"><div>In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at<ins class="diffchange diffchange-inline"> angular velocity</ins> Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on may other factors.</div></td>
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<td class="diff-addedline diff-side-added"><div>For large N, often the maximum output torque is limited by the strength of the final gears, rather than by N times the motor's torque.</div></td>
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<td class="diff-context diff-side-deleted"><div>[http://www.hobbyengineering.com/H1209.html[A small gearmotor]]</div></td>
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<td class="diff-context diff-side-added"><div>[http://www.hobbyengineering.com/H1209.html[A small gearmotor]]</div></td>
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<td class="diff-context diff-side-deleted"><div>In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on may other factors.</div></td>
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<td class="diff-context diff-side-added"><div>In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on may other factors.</div></td>
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<td class="diff-deletedline diff-side-deleted"><div><a name="movedpara_3_0_lhs"></a><del class="diffchange diffchange-inline">** </del>[http://www.hobbyengineering.com/H1209.html[A small gearmotor]]</div></td>
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<td class="diff-context diff-side-deleted"><div>In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on may other factors.</div></td>
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<td class="diff-context diff-side-added"><div>In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on may other factors.</div></td>
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<p><b>New page</b></p><div>"Gear motor" refers to a combination of a motor plus a reduction geartrain. These are often conveniently packaged together in one unit. The gear reduction (gear train) reduces the speed of the motor, with a a corresponding increase in torque. Gear ratio range from just a few (e.g. 8) to huge (e.g. 500). A small ratio can be accomplished with a single gear pair, while a large ratio requires a series of gear reduction steps and thus more gears. There are a lot of different kinds of gear reduction.<br />
<br />
In the case of a small transmission ratio N, the unit may be backdrivable, meaning you can turn the output shaft, perhaps by hand, at angular velocity w and cause the motor to rotate at Nw. A larger transmission ratio N may make the unit non-backdrivable. Each has advantages for different circumstances. Backdrivability depends not just on N, but on may other factors.<br />
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Here's a small gearmotor</div>LIMS