Worm Reduction Gear Box By Pearl Engineers

General: Due to robust construction, increased efficiency, flexibility, interchangeability, compactness, dependability and reliability. Gearboxes are suitable for severe operating conditions by means of right selection.

Selection : The size of the particular unit either by way of input horse power or output torque. The ratings are based on Unity factor of 12 hours continuous running under uniform load subjected to recommended lubrication and temperature limitation of 900 C.

Gear Housing: Gear housing is made of close grain top quality cast iron. It is provided with large cooling fins on both sides with maximum surface area exposed to atmosphere for improved efficiency. Bearing housings are perfectly board to ensure perfect alignment. The housing is totally dust proof and oil tight.

Worm: Worm and worm shaft is of single place made out of high grade case steel, hardened steel duly case hardened & ground.

Worm Wheel: The worm wheel is made of cast phosphorous Bronze (confirms to PB-2C as per BS 1400) rim shrunked and screwed on central cast iron boss. Teeth are accurately hobbed by generating process on hobbing machine.

Bearings: The worm and worm wheel shaft are supported on ball or roller antifriction bearings of ample capacity to permit over hung and shock loads. Provision is made for additional roller bearings in case of heavy over hung loads.