As servo technology has evolved-with manufacturers generating smaller, yet better motors -gearheads are becoming increasingly essential partners in motion control. Finding the ideal pairing must take into account many engineering considerations.
• A servo motor running at low rpm operates inefficiently. Eddy currents are loops of electric current that are induced within the engine during procedure. The eddy currents actually produce a drag drive within the electric motor and will have a larger negative effect on motor performance at lower rpms.
• An off-the-shelf motor’s parameters may not be ideally suitable for run at a minimal rpm. When a credit card applicatoin runs the aforementioned motor at 50 rpm, essentially it is not using most of its offered rpm. Because the voltage continuous (V/Krpm) of the electric motor is set for a higher rpm, the torque continuous (Nm/amp)-which is definitely directly linked to it-can be lower than it requires to be. Because of this, the application needs more current to drive it than if the application had a motor particularly designed for 50 rpm. A gearhead’s ratio reduces the motor rpm, which explains why gearheads are occasionally 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 electric motor at the higher rpm will allow you to avoid the concerns
Servo Gearboxes provide freedom for just how much rotation is achieved from a servo. Most hobby servos are limited by just beyond 180 examples of rotation. Many of the Servo Gearboxes utilize a patented external potentiometer so that the rotation amount is in addition to the gear ratio set up on the Servo Gearbox. In such case, the small equipment on the servo will rotate as many times as essential to drive the potentiometer (and hence the gearbox result shaft) into the position that the signal from the servo controller calls for.
Machine designers are increasingly turning to gearheads to take advantage of the most recent advances in servo electric motor technology. Essentially, a gearhead converts high-speed, low-torque energy into low-speed, high-torque output. A servo motor provides highly accurate positioning of its result shaft. When both of these products are paired with one another, they enhance each other’s strengths, providing controlled motion that’s precise, robust, and dependable.
Servo Gearboxes are robust! While there are high torque servos available that doesn’t imply they are able to compare to the strain capacity of a Servo Gearbox. The tiny splined output shaft of a normal servo isn’t long enough, large enough or supported well enough to handle some loads despite the fact that the torque numbers appear to be appropriate for the application form. A servo gearbox isolates the load to 
the gearbox result shaft which is backed by a set of ABEC-5 precision ball bearings. The exterior shaft can withstand extreme loads in the axial and radial directions without transferring those forces on to the servo. Subsequently, the servo operates more freely and can transfer more torque to the output shaft of the gearbox.