With the many commercial gearboxes available today, it’s vital that you match the proper type of gearbox with the drive, motor, and load. Whenever a machine requires a servo motor gear reducers servosystem (drive and electric motor), the gearbox type is crucial for accurate and repeatable motion. 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 someone to nine arc-min), and when sized correctly provide a service existence of over 20,000 hours with practically no maintenance. Helical planetary gears also provide very noiseless and more efficient operation when compared with competitive products.
Precision gearboxes are carefully machined to high tolerances – believe clockmaker, not blacksmith. They provide power densities that means small bundle size and efficiencies of 90% and greater.
Servomotors often drive loads directly without the need for a gearbox, however in many applications it’s advantageous to make use of a gearbox between the motor and load.
One main cause to use a gearbox is torque multiplication. It lets designers make use of smaller servosystems that consumes less energy. Instead of buying relatively large servodrives and motors, designer can use smaller elements, saving space and money.
Output torque boosts in direct proportion to the gear ratio, and top acceleration of the result shaft decreases. If a credit card applicatoin can withstand the decreased speed, a relatively little servosystem can supply high torque.
Gearboxes can also address inertia mismatches. For high performance servosystems — people that have high dynamic responses or low overshoot, for example – the ratio between your reflected load inertia and motor inertia should be only practical, preferably under ten-to-one. A precision gearbox decreases the reflected inertia by the sq . of the decrease ratio. For instance, using a 25:1 gearbox decreases the load’s reflected inertia by one factor of 625, a substantial improvement.