Servo Gearboxes are built for extreme applications that demand a lot more than just what a regular servo can withstand. While the primary advantage to using a servo gearbox is the increased torque that is supplied by adding an exterior gear ratio, there are numerous benefits beyond multiplying the torque result.
Servo Gearboxes are robust! While there are high torque servos out there that doesn’t mean they are able to compare to the strain capacity of a Servo Gearbox. The small splined output shaft of a regular servo isn’t lengthy enough, large enough or supported well enough to handle some loads even though the torque numbers appear to be suitable for the application. A servo gearbox isolates the strain to the gearbox result shaft which is supported by a pair of ABEC-5 precision ball bearings. The exterior shaft can withstand intense loads in the axial and radial directions without transferring those forces to the servo. Subsequently, the servo operates more freely and can transfer more torque to the result shaft of the gearbox.
Servo Gearboxes provide freedom for how much rotation is achieved from a servo. The majority of hobby servos are limited to just beyond 180 examples of rotation. Many of the Servo Gearboxes make use of a patented exterior potentiometer to ensure that the rotation quantity is independent of the gear ratio installed on the Servo Gearbox. In this kind of case, the small equipment on the servo will rotate as much times as necessary to drive the potentiometer (and therefore the gearbox result shaft) into the placement that the signal from the servo controller demands.
There are plenty of specialized parts that serve specific functions in a modern motion control system. There are digital pieces, such as the main control computer and movement controllers, which serve as the “brains” of the whole system. Additionally, there are mechanical parts, such as motors, servos, and linear actuators. One component which can be overlooked occasionally, though, may be the gearbox on a servo motor.
EXACTLY WHAT IS A Servo?
A servo or servo engine, at its simplest, is a self-contained electromechanical gadget that allows for powerful and precise positioning control. Servo motors usually consist of at least an electric engine, a gearbox, a potentiometer, a little control table, and an output shaft. The servo’s controller table gets control data from another motion controller. Depending on the degree of motion necessary, the servo’s controller board instructs the servo’s engine to rotate a particular amount, which results in a commensurate rotation of the result shaft. When the potentiometer detects that the output shaft has rotated the specified amount, it sends a signal to the controller panel, which stops the electric motor and retains the servo at that particular location.
What forms of Servo Are There?
Servos can be found in a few different configurations, depending on the type of motor used or on the required output of motion. Servos that make use of DC motors have a tendency to be a bit quicker than the ones that make use of AC motors. However, servos using AC motors could be a bit more accurate and durable than servos using DC motors. In a positional rotation servo, the output shaft can rotate up to 180 degrees. In a continuing rotation servo, the output shaft can continuously rotate in a path for as long as instructed to do so by the movement controller. Linear servos are built to provide side-to-side or back-to-front motion, vs. rotational movement as observed in other servo types.
What Are the Factors in Choosing A Servo Gearbox?
As compared to other styles of gearboxes, those used in servos are fairly unique due to the specific demands placed on them. A servo gearbox needs to deal with high input speeds, have a wide operating range, provide adequate torque for the application, become robust enough to take care of continuous and repetitive use, and have low gear backlash. The specific type of gearbox to make use of depends on the application and space requirements. Common servo gearbox types consist of:
· Planetary: for high program rigidity, compactness, and high torque
· Spiral Bevel: for bigger sizes, better versatility, and higher efficiency
· Hybrid: for applications requiring the best features of both planetary and spiral bevel gearboxes
· Bevel Helical: for decreased size footprint and space performance
Optimum precision and dynamics, combined with exceptional torque density, are the key requirements specified for reliable servo gearboxes in practice. WITTENSTEIN alpha provides servo gearboxes for any application and any efficiency range. Our low-backlash planetary and right-angle gearboxes reflect our passion for development and the highest levels of precision.
We can help you achieve the optimal design for a complete drive train including servo gearboxes from Ever-power
Geared up to Fit
Customized to applications in the mid-range and economy segment with low to moderate requirements for positioning accuracy, the CP and CPS planetary gearboxes do not fail to impress. The key benefits offered by the gearboxes are high flexibility combined with maximum efficiency.
Precision Gearboxes for Servomotors.
Ever-power precision planetary gearboxes work very well for increasing torque output of servo systems, while reducing the reflected load inertia for higher response. Provided in inline, right-angle and hub designs, these best-in-class gearboxes offer high stiffness, high effectiveness, and incredibly quiet operation. Mounting hardware is roofed for mating to Ever-power Servo motors.
Ever-power offers a full selection of modular servo gearboxes /worm reducers. The modular design allows for configurations with motor input flange and output pinion for rack and pinion drives, as well as solid output shafts, Hollow bore output, and insight shafts for all other positioning applications. The modular style allows for universal installation of the gearbox in virtually any orientation.
Servo-Worm Reducers were particularly developed for use with the latest servo motors in applications that demand specific positioning and repeatability.
These reducers are ideal for applications in material managing, automation, machine tool, and robotics.
The light weight modular aluminum housing design permits easy machine integration, and excellent heat dissipation. A multitude of insight flanges and couplings are available to permit easy mounting of almost any servo-motor and custom flanges could be accommodated. Result configurations with pinion, hollow bore, or solid shaft are available and may be configured for input with motor flange, totally free input shaft, or both free input shaft and motor flange.
Ever-power provides a cost-effective series of spur gearboxes featuring sintered steel gears to best complement our motors. These gearboxes, when added to Ever-power motors, offer higher flexibility to the designer for low duty applications. Spur gearboxes offer an offset output shaft and are provided with sleeve or ball bearings, optional lubricants for intense temps, and Delrin gears for reduced noise. Shortened housings are for sale to select ratios.