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With the many industrial gearboxes on the market, it’s important to match the proper type of gearbox with the drive, motor, and load. When a machine requires a servosystem (drive and motor), the gearbox type is critical for accurate and repeatable movement. Planetary gearboxes fit the bill for servo applications.

High-precision helical planetary gearboxes are an excellent choice for applications that require precision and reliability. Planetary gearboxes possess very low backlash rankings (typically ranging from one to nine arc-min), and when sized correctly offer a service existence of over 20,000 hours with practically no maintenance. Helical planetary gears provide very noiseless and better operation when compared with competitive products.

Precision gearboxes are carefully machined to high tolerances – think clockmaker, not blacksmith. They offer power densities that translates to small package size and efficiencies of 90% and greater.
Servomotors often drive loads directly without the need for a gearbox, but in many applications it’s advantageous to make use of a gearbox between the motor and load.

One main cause to employ a gearbox is torque multiplication. It lets designers use smaller servosystems that consumes less energy. Rather than buying relatively huge servodrives and motors, developer can use smaller components, saving space and cash.

Output torque improves in direct proportion to the gear ratio, and top speed of the result shaft decreases. If a credit card applicatoin can withstand the reduced speed, a relatively small servosystem can supply high torque.

Gearboxes may also address inertia mismatches. For high performance servosystems — people that have high dynamic responses or low overshoot, for instance – the ratio between your reflected load inertia and engine inertia should be only practical, preferably under ten-to-one. A precision gearbox decreases the reflected inertia by the square of the decrease ratio. For instance, utilizing a 25:1 gearbox decreases the load’s reflected inertia by a factor of 625, a significant improvement.