General Lifting Equipments

Spur Gears : • Spur Gears are the most common type used. • Tooth contact is primarily rolling, with sliding occurring during engagement and disengagement. • Some noise is normal, but it may become objectionable at high speeds. • Spur gears are known as slow speed gears.

Helical Gears : • Helical Gears is a cylindrical shaped gear with helicoid teeth. • Helical gears operate with less noise and vibration than spur gears. • At any time, the load on helical gears is distributed over several teeth, resulting in reduced wear.

Double Helical Gears : • Better in strength • High torque • Smooth motion at very high rotational velocities • No Side ways force and less wear and tear

Bevel Gears : • Bevel gears are used to transmit motion between shafts with intersecting center lines. • The intersecting angle is normally 90 deg but may be as high as 180 deg. When the mating gears are equal in • size and the shafts are positioned at 90 degrees to each other, they are referred to as miter gears

Crown Wheel and Pinion Gears : Crown Wheel and Pinion Gearsare a pair of gears found in a drive wheel of a vehicle in which the pinion is at the end of the propeller shaft driving the crown wheel. The setup works when the pinion sets on top of the crown wheel. The pinion is substantially smaller than the crown wheel, and the teeth turn very quickly to produce forward motion.

Worm Gears : The relative motion between these gears is sliding rather than rolling. These gears rely on full fluid film lubrication and require heavy oil compounded to enhance lubricity and film strength to prevent metal contact.

Rack and pinion Gears : • A rack-and-pinion gearset is enclosed in a metal tube, with each end of the rack protruding from the tube. A rod, called a tie rod, connects to each end of the rack. The pinion gear is attached to the steering shaft. When you turn the steering wheel, the gear spins, moving the rack. • Rack and pinion Gearsare used to convert rotation into linear motion. • A perfect example of this is the steering system on many cars. • The steering wheel rotates a gear which engages the rack.

OD = 1080MMID = 780MMTEETH = 104THICKNESS = 90MM

used gear ring
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Other Details:

• A rack-and-pinion gear set is enclosed in a metal tube, with each end of the rack protruding from the tube. A rod, called a tie rod, connects to each end of the rack. The pinion gear is attached to the steering shaft. When you turn the steering wheel, the gear spins, moving the rack. Rack and pinion Gears are used to convert rotation into linear motion. A perfect example of this is the steering system on many cars. The steering wheel rotates a gear which engages the rack.

Spur Gear Ring