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Gearboxes Of Different Types And The Efficiency Of Work It Produces

When you have a damaged equipment that involves a repair of the gearbox, you must have a background knowledge of the types of gearboxes to know what repair service to avail. The gearboxes produce different results for speed, pressure, gear ratio, torque, shaft orientation and noise that will let you know which type. The following are the types of gearboxes.

Considered as the simple and typical type of gearbox available is the spur gearbox. The position of the radial teeth allow it to provide up to 98 percent level of work efficiency which is usually for high gear ratios. The downside to spur gearbox is that it produces pressure and makes a lot of noises. This disadvantage seem to work for low-speed and low-impact works only.

Helical gearbox is another type that is much alike with the spur gears. Its difference is the position of the teeth in which it is not lateral to the rotating axis but rather positioned angular at 90 degrees. The position is presented crossed or parallel. There is slow engagement between the teeth of a helical gear thus producing no noise when being worked. This is efficient for working on high torques with an efficiency level of 98 percent. The drawback for helical gearboxes is that the shaft bearings are constantly oiled because the thrust load it produces because of the inclined contact.
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Another type is the bevel gearbox which have cone-shaped teeth and have two crossing shafts. It makes a flexible motion between the two shafts. The axes of the bevel gearbox is able to bear significantly high pressures. The level of efficiency of a bevel gearbox can do a 97 percent level of work. It is the appropriate system for low gear ratios and low speed works.
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There are two common types of bevel gearboxes: spiral and hypoid. Helical and spiral bevel have similarities which is the slow motion of the teeth. There is less noise made with these two types of gearboxes. The work efficiency these two make reach at a percentage level of 98. Hypoid bevel gears are similar to spiral bevel but the shape of the teeth are hyperbolic which does not allow the axis to touch each other. This creates a 90 degree level of drive shafts that is more powerful but quieter than the spiral bevel and which makes it desirable for high speed ratios. The down side, however, is the work efficiency it makes with only 85 percent.

The planetary gearbox is another type as it is created similar to a planet systems with gears or planets revolving around a sun or another gear. It works at low speed but produces 98 percent level of efficiency. The planetary gearbox produces torque three times the level produced by spur gears, is very compact and also creates high gear differential for each stage. This is due to the sharing of load between the planets.

The efficiency of each gearbox will depend on various factors and uses. Proper maintenance and repair should be observed for the gearbox to continuously produce the same amount of work efficiency level.