Servo Gearboxes are built for intense applications that demand a lot more than what a regular servo can withstand. While the primary advantage to using a servo gearbox may be the increased torque that is supplied by adding an external gear ratio, there are numerous benefits beyond multiplying the torque output.
Servo Gearboxes are robust! While there are high torque servos out there that doesn’t indicate they are able to compare to the strain capability of a Servo Gearbox. The tiny splined result shaft of a normal servo isn’t long enough, large enough or supported well enough to take care of some loads despite the fact that the torque numbers seem to be suitable for the application. A servo gearbox isolates the strain to the gearbox output shaft which is supported 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 to the servo. Subsequently, the servo runs more freely and is able to transfer more torque to the result shaft of the gearbox.
Servo Gearboxes provide freedom for just how much rotation is achieved from a servo. Many hobby servos are limited to just beyond 180 levels of rotation. Many of the Servo Gearboxes use a patented exterior potentiometer to ensure that the rotation quantity is in addition to the equipment 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 hence the gearbox result shaft) into the placement that the signal from the servo controller calls for.
There are many specialized parts that serve specific functions in today’s motion control system. There are electronic pieces, such as the main control computer and motion controllers, which provide as the “brains” of the whole system. There are also mechanical components, such as for example motors, servos, and linear actuators. One component that can be overlooked sometimes, though, may be the gearbox on a servo engine.
EXACTLY WHAT IS A Servo?
A servo or servo motor, at its simplest, is a self-contained electromechanical device that allows for powerful and precise positioning control. Servo motors usually contain at least a power electric motor, a gearbox, a potentiometer, a little control plank, and an result shaft. The servo’s controller board receives control data from an outside motion controller. Depending on the degree of movement necessary, the servo’s controller panel instructs the servo’s engine to rotate a certain amount, which results in a commensurate rotation of the output shaft. When the potentiometer detects that the output shaft has rotated the specified amount, it sends a signal to the controller plank, which stops the motor and retains the servo at that one location.
What Types of Servo Are There?
Servos come in a couple of different configurations, depending on the type of engine used or on the desired output of movement. Servos that make use of DC motors tend to be a little quicker than those that use AC motors. However, servos using AC motors can be a little 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 constantly rotate in a direction for as long as instructed to do so by the motion controller. Linear servos are designed 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 types of gearboxes, those found in servos are pretty unique because of 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, be robust enough to handle continuous and repetitive make use of, and have low gear backlash. The specific type of gearbox to use depends on the application and space requirements. Common servo gearbox types include:
· Planetary: for high system rigidity, compactness, and high torque
· Spiral Bevel: for bigger sizes, better versatility, and higher efficiency
· Hybrid: for applications requiring the best top features of both planetary and spiral bevel gearboxes
· Bevel Helical: for decreased size footprint and space effectiveness
Maximum precision and dynamics, coupled with outstanding torque density, are the key requirements specified for reliable servo gearboxes used. WITTENSTEIN alpha offers servo gearboxes for any application and any performance range. Our low-backlash planetary and right-position gearboxes reflect our interest for creativity and the best levels of precision.
We can assist you to achieve the optimal design for a complete drive teach including servo gearboxes from Ever-power
Geared up to Fit
Customized to applications in the mid-range and economy segment with low to medium requirements for positioning accuracy, the CP and CPS planetary gearboxes do not fail to impress. The key benefits offered by the gearboxes are high versatility coupled with maximum efficiency.
Precision Gearboxes for Servomotors.
Ever-power precision planetary gearboxes work very well for increasing torque result of servo systems, whilst reducing the reflected load inertia for higher response. Offered in inline, right-angle and hub styles, these best-in-class gearboxes offer high stiffness, high performance, and incredibly quiet operation. Mounting equipment is included for mating to Ever-power Servo motors.
Ever-power offers a full selection of modular servo gearboxes /worm reducers. The modular style permits configurations with motor insight flange and output pinion for rack and pinion drives, as well as solid output shafts, Hollow bore result, and insight shafts for all the positioning applications. The modular style allows for universal installation of the gearbox in any orientation.
Servo-Worm Reducers were specifically developed for use with the most recent servo motors in applications that demand exact positioning and repeatability.
These reducers are suitable for applications in material handling, automation, machine tool, and robotics.
The light-weight modular aluminum housing design permits easy machine integration, and excellent heat dissipation. A wide variety of insight flanges and couplings are available to allow easy mounting of almost any servo-motor and customized flanges can be accommodated. Result configurations with pinion, hollow bore, or solid shaft can be found and may be configured for insight with motor flange, totally free insight shaft, or both totally free input shaft and engine flange.
Ever-power offers a cost-effective group of spur gearboxes featuring sintered steel gears to best complement our motors. These gearboxes, when put into Ever-power motors, offer greater flexibility to the developer for low duty applications. Spur gearboxes provide 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.