Question

In a gear train when the axes of the shafts over which the gears are mounted move relative to a fixed axis it is called

Answer 1

Answer:

In an epicyclic gear train, the axes of the shafts, over which the gears are mounted, may move relative to a fixed axis. 13.2, it is called a compound train of gear.

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Answer 2

In an epicyclic gear train, the axes of the shafts move relative to a fixed axis.

• Gear train is a combination of gears used in transmitting power from one shaft to another.
• Epicyclic gear trains have one or more outer gears called planet gears and a central gear called sun gear.
• The planet gear rotates around the sun gear.
• Therefore epicyclic gear train is also called a planetary gear train.
• This arrangement helps in increasing the output speed.
• Epicyclic gear train can transmit high-velocity ratios in a minimal space with moderate-sized gear.
• They are used in automobiles, wristwatches, pulleys, and hoists.