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main shaft

noun, Machinery
the principal shaft of a motor, transmission, etc. (distinguished from jackshaft). Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for main shaft
  • Energy created by the water's movement was transferred to a main shaft that ran up through the building.
  • The rotor is connected to the main shaft, which spins a generator to create electricity.
  • The test turbine is rigidly fixed to a foundation and coupled through its low speed main shaft to the dynamometer.
  • Loads are measured on the blade root, main shaft and tower.
  • The rotor is connected to the main shaft, which spins a generator.
  • The main shaft shall be mounted in heavy-duty ball bearings and shall be lubricated from the inside.
  • The rotor is connected by a hub and main shaft to a system of gears, which are connected to a generator.
  • The main shaft is fixed to the low speed hollow shaft of the gearbox by an hydraulic shrink disc.
  • Five bronze medallions on main shaft portray each unit's commander.

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