Industrial gearbox is an enclosed system that transmits mechanical energy to a transmission unit to slow down the speed and torque of rotation. To control speed and torque and convert it functionally, gearbox transmits mechanical power into a driving tool to handle multiple tasks at extremely high speeds over a long period. There are several different types of gearbox. There are four main types of Gearboxes with a wide variety of applications.
Worm Gearbox is commonly used for heavy-duty functions. This gear integrates a broad worm (or screw) diameter which meshes the teeth in the periphery of the gear making it possible for the consumer to determine the rotation speed and for the transmission of higher torque.
Bevel Gears on the other hand have curved teeth on cone-shaped surfaces near the unit bottom which can be used to rotate non-parallel shafts. They have a broad range of applications which includes rolling stock and mining.
Helical gears though similar to spur gears have their teeth cut at an angle to the hole (axis) rather than straight and parallel to the hole like the teeth of a spur gear which help in gradual engagement of teeth from one end of tooth to other rather than a sudden engagement. This gradual engagement makes the gears function smoothly without much noise. Helical gears are used as power transmitting gears as they carry larger loads because of their lower dynamic load have lesser noise and vibration levels.
Planetary gear is made up of three types of gears; a sun gear, planet gears, and a ring gear. The sun gear is located at the centre and transmits torque to the planet gears which are mounted on a moveable carrier. The planet gears orbit around the sun gear and mesh with an outer ring gear. They are used in gearboxes that power basic plant machinery to electric vehicles. Planetary gears are used in applications which demand high torque density, operational efficiency and durability. These gears are widely used in the transmissions of helicopters, automobiles, wind turbine, aircraft engines, etc. The main advantages of this transmission are its high efficiency, its compactness, its large transmission ratio and its large power-to-weight ratio, etc.
The simplest and most common type of gear, Spur gears is cylindrical gear, with shafts that are parallel and coplanar with teeth that are straight and oriented parallel to the shafts. The teeth of a spur gear have an involute profile and mesh one tooth at a time. This means that spur gears only produce radial forces (no axial forces), but because of the tooth meshing, it causes high stress on the gear teeth and high noise production. Due to high noise production, spur gears are used for lower speed applications, although they can be used at almost any speed.
In Bevel gears the axes of the two shafts intersect at a 90-degree angle and the tooth-bearing faces are conical. The teeth can be straight or arranged in a spiral-like pattern. They are designed to suit applications that require changing the direction of a shaft’s rotation useful for a wide range of function in industries. Bevel gears can also increase or decrease torque while producing the opposite effect on the angular speed.
If you are in need of industrial gearbox repair, we at American Gears LLC offer complete reconditioning on industrial gearboxes of all OEM brands. We are fully equipped to provide all gearbox services performing a complete evaluation of your gear box. Our in-house design, engineering, and manufacturing services ensure quality workmanship. We provide warranty and guarantee on workmanship and materials. We work on leading brands like Marley, Amarillo, Philadelphia, Lufkin, Rexnord, Falk, SPX, Falk and Siemens and more.
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