A SUN gear installed on the input shaft makes up this motorised device. The annular gear and two plane gears mesh. These planet gears are fixed to a common arm that has an output shaft attached to it. A loading setup is offered to load the system and measure holding torque.

Specifications:

•  External type Epicyclic Gear Train:
•  .Bearing blocks for input & output shafts.
•    A gear train with Holding drum and handle.
•  Internal Type Epicyclic Gear Train:
•    A compact Gear Train.
•   Variable speed D.C. Motor
•    Rope brake arrangement to measure output torque and holding torque.
• Control Panel comprising of
•    Digital Ammeter and Voltmeter.
•  RPM Indicator.
•   Speed Controller.

Experimentation –

•   To measure epicyclical gear ratio between Input shaft and Output shaft.
•   To measure epicyclical gear ratio between Input shaft and holding drum.
•   To measure Input torque, Holding torque and Output torque.

Service Required –

• Floor Space – about 1.5m x 2m.
• 
   230 V.AC stabilized power supply.