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As servo technology has evolved-with manufacturers generating smaller, yet better motors -gearheads have become increasingly essential companions in motion control. Finding the ideal pairing must consider many engineering considerations.
• A servo electric motor operating at low rpm operates inefficiently. Eddy currents are loops of electrical current that are induced within the engine during operation. The eddy currents actually produce a drag power within the electric motor and will have a larger negative impact on motor performance at lower rpms.
• An off-the-shelf motor’s parameters may not be ideally suited to run at a low rpm. When a credit card applicatoin runs the aforementioned electric motor at 50 rpm, essentially it isn’t using all of its offered rpm. As the voltage continuous (V/Krpm) of the motor is set for a higher rpm, the torque continuous (Nm/amp)-which is definitely directly linked to it-is definitely lower than it needs to be. As a result, the application requirements more current to drive it than if the application had a motor specifically designed for 50 rpm. A gearhead’s ratio reduces the engine rpm, which is why gearheads are sometimes called gear reducers. Utilizing a gearhead with a 40:1 ratio,
the engine rpm at the input of the gearhead will be 2,000 rpm and the rpm at the output of the gearhead will be 50 rpm. Operating the motor at the bigger rpm will permit you to avoid the concerns

Servo Gearboxes provide freedom for how much rotation is achieved from a servo. The majority of hobby servos are limited by just beyond 180 levels of rotation. Many of the Servo Gearboxes make use of a patented exterior potentiometer to ensure that the rotation amount is independent of the gear ratio set up on the Servo Gearbox. In this kind of case, the small gear on the servo will rotate as many times as necessary to drive the potentiometer (and therefore the gearbox output shaft) into the position that the transmission from the servo controller calls for.
Machine designers are increasingly turning to gearheads to take benefit of the latest advances in servo engine technology. Essentially, a gearhead converts high-acceleration, low-torque energy into low-speed, high-torque result. A servo electric motor provides highly accurate positioning of its output shaft. When these two devices are paired with one another, they enhance each other’s strengths, offering controlled motion that’s precise, robust, and dependable.

Servo Gearboxes are robust! While there are high torque servos on the market that doesn’t imply they are able to compare to the strain capability of a Servo Gearbox. The tiny splined output shaft of a normal servo isn’t lengthy enough, huge enough or supported sufficiently to handle some loads even though the torque numbers seem to be suitable for the application. A servo gearbox isolates the strain to the gearbox result shaft which is supported by a set of ABEC-5 precision ball bearings. The exterior shaft can withstand severe loads in the axial and radial directions without transferring those forces to the servo. Subsequently, the servo operates more freely and is able to transfer more torque to the output shaft of the gearbox.