Servo Gearboxes are designed for intense applications that demand more than just what a regular servo may withstand. While the primary benefit to utilizing a servo gearbox may be the increased torque that’s provided by adding an external equipment ratio, there are many benefits beyond multiplying the torque output.
Servo Gearboxes are robust! While there are high torque servos out there that doesn’t mean they are able to compare to the load capacity of a Servo Gearbox. The tiny splined result shaft of a normal servo isn’t long enough, huge enough or supported sufficiently to handle some loads despite the fact that the torque numbers appear to be appropriate for the application. A servo gearbox isolates the load to the gearbox output shaft which is backed by a pair of ABEC-5 precision ball bearings. The external shaft can withstand extreme loads in the axial and radial directions without transferring those forces on to the servo. In turn, the servo operates 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. The majority of hobby servos are limited to just beyond 180 degrees of rotation. Most of the Servo Gearboxes make use of a patented exterior potentiometer to ensure that the rotation quantity is in addition to the gear ratio set up on the Servo Gearbox. In such case, the small gear on the servo will rotate as many times as essential to drive the potentiometer (and therefore the gearbox result shaft) into the placement that the signal from the servo controller calls for.
There are numerous specialized components that serve specific functions in today’s motion control system. There are digital pieces, such as the main control pc and movement controllers, which serve as the “brains” of the entire system. Additionally, there are mechanical elements, such as for example motors, servos, and linear actuators. One component that can be overlooked occasionally, though, is 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 which allows for powerful and precise positioning control. Servo motors generally consist of at least a power electric motor, a gearbox, a potentiometer, a little control board, and an output shaft. The servo’s controller table gets control data from an outside motion controller. Depending on the degree of motion needed, the servo’s controller panel instructs the servo’s electric motor to rotate a particular amount, which results in a commensurate rotation of the output shaft. When the potentiometer detects that the result shaft provides rotated the specified amount, it sends a signal to the controller plank, which stops the motor and keeps the servo at that one location.
What Types of Servo Are There?
Servos can be found in a few different configurations, depending on the type of motor used or on the desired output of movement. Servos that make use of DC motors have a tendency to be a little quicker than the ones that make use of AC motors. However, servos using AC motors can be a bit more accurate and durable than servos using DC motors. In a positional rotation servo, the result shaft can rotate up to 180 degrees. In a continuing rotation servo, the result shaft can continuously rotate in a direction for as long as instructed to do so by the motion controller. Linear servos are built to provide side-to-side or back-to-front motion, vs. rotational movement as seen in other servo types.
What Are the Elements in Choosing A Servo Gearbox?
As compared to other styles of gearboxes, those used in servos are fairly unique because of the specific demands placed on them. A servo gearbox must deal with high input speeds, have a broad operating range, provide sufficient torque for the application, end up being robust enough to handle 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 include:
· Planetary: for high program rigidity, compactness, and high torque
· Spiral Bevel: for larger sizes, better versatility, and higher efficiency
· Hybrid: for applications needing the best features of both planetary and spiral bevel gearboxes
· Bevel Helical: for reduced size footprint and space effectiveness
Maximum precision and dynamics, coupled with exceptional torque density, are the key requirements specific for reliable servo gearboxes used. WITTENSTEIN alpha offers servo gearboxes for any program and any functionality range. Our low-backlash planetary and right-position gearboxes reflect our passion for innovation and the highest levels of precision.
We can help you achieve the optimal design for a complete drive teach including servo gearboxes from Ever-power
Geared up to Fit
Tailored 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, whilst reducing the reflected load inertia for higher response. Provided in inline, right-angle and hub styles, these best-in-class gearboxes offer high stiffness, high effectiveness, and very quiet operation. Mounting hardware is included for mating to Ever-power Servo motors.
Ever-power offers a complete range of modular servo gearboxes /worm reducers. The modular design allows for configurations with motor input flange and result pinion for rack and pinion drives, along with solid result shafts, Hollow bore output, and insight shafts for all other positioning applications. The modular style allows for universal mounting of the gearbox in virtually any orientation.
Servo-Worm Reducers were specifically developed for use with the latest servo motors in applications that demand exact positioning and repeatability.
These reducers are suitable 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 allow easy mounting of nearly any servo-motor and customized flanges could be accommodated. Result configurations with pinion, hollow bore, or solid shaft are available and can be configured for insight with motor flange, totally free insight shaft, or both totally free input shaft and motor flange.
Ever-power offers a cost-effective series of spur gearboxes featuring sintered metal gears to best enhance our motors. These gearboxes, when put into Ever-power motors, offer higher flexibility to the developer for low duty applications. Spur gearboxes provide an offset output shaft and are offered with sleeve or ball bearings, optional lubricants for severe temps, and Delrin gears for reduced noise. Shortened housings are available for select ratios.