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Beginner’s Guide to Various Types of Gearboxes

There are several factors that affect the performance of a gearbox and it can be challenging knowing the best time to repair or renew the services needed. It is important to consider the speed, torque, gear ratio, pressure, noise, orientation, shaft, and operating cycles. When it comes to the various types of gearboxes, they include bevel gearboxes, spiral gearboxes, hypoid gearboxes, spur gearboxes, helical gearboxes, and planetary gearboxes. If you have gearbox problems or technical issues, you can always contact a gear service provider to ensure that your industrial gearbox system is otpimally operational for the entire duration of its lifespan. Now, let us learn more about the details of the different types of gearboxes.

When it comes to spur gearboxes, these are considered as the simplest and most common gearboxes available today. Spur gearboxes have a good radial teeth position to allow better handling of high gear ratios, and increasing efficiency up to 98%. Spur gearboxes are ideal for low-speed and low-impact jobs where loud noise is more tolerated as this type of gearbox creates a lot of pressure and noise. Helical gearboxes are locked at a certain angle, unlike spur gears that are laterally positioned to the revolving axis. Helical gearboxes are quieter than spur gearboxes because of the positioning. Two crossing shafts make up bevel gearboxes, with cone-style teeth to promote versatility in motion in between shafts. This type of gearbox must be fitted very carefully to handle the huge amount of pressure. The efficiency rate of bevel gearboxes is just a little bit lower than helical and sour gearboxes, but they work best with lower gear ratios and low-speed jobs. A variant of bevel gearbox is spiral bevel gearbox, offering the same benefits of helical gear systems with slowly engaging teeth. In terms of efficiency level, spiral bevel gearboxes have high-efficiency rate (about 95% to 98%). Hypoid gearboxes work with 90-degree drive shafts, resembling spiral bevel variants, only with the drive axes not touching. In terms of mechanical performance of hypoid gearboxes, it is usually between 80% to 85%. As compared to spiral bevel gearboxes, hypoid gearboxes are less noisy and more powerful.

Multiple outside planets or gears make up the planetary gearboxes, orbiting around the sun or inner gear, with an efficiency rate of 96% to 98%. As compared to spur gearboxes, planetary gearboxes are compact and with high gear differentials. Planetary gearboxes are very compatible with helical or bevel gear systems for optimal performance, which permits 90 degrees angle input and output drives. Whatever type of gearbox system you have, the real efficiency depends on several factors, and proper maintenance should be implemented. Learn more about right angle gearboxes here!

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