Smoothness and absence of ripple are crucial for the printing of elaborate color pictures on reusable plastic cups available at fast-food chains. The colour image is made up of millions of tiny ink spots of many colours and shades. The complete glass is printed in a single move (unlike regular color separation where each color is certainly imprinted separately). The gearheads must work easily enough to synchronize ink blankets, printing plates, and cup rollers without presenting any ripple or inaccuracies that may smudge the picture. In this case, the hybrid servo gear reducer gearhead decreases motor shaft runout mistake, which reduces roughness.
Sometimes a motor’s capability may be limited to the main point where it requires gearing. As servo manufacturers develop better motors that can muscles applications through more complicated moves and generate higher torques and speeds, these motors need gearheads equal to the task.
Interestingly, no more than a third of the motion control systems in service use gearing at all. There are, of training course, reasons to do so. Using a gearhead with a servo motor or using an integrated gearmotor can enable the usage of a smaller motor, thereby reducing the system size and price. There are three primary advantages of choosing gears, each which can enable the use of smaller motors and drives and therefore lower total system cost:
Torque multiplication. The gears and amount of the teeth on each gear create a ratio. If a engine can generate 100 in-pounds of torque, and a 5:1 ratio equipment head is mounted on its output, the resulting torque will become close to 500 in-lbs.
When a motor is running at 1,000 rpm and a 5:1 ratio gearhead is mounted on it, the swiftness at the output will be 200 rpm. This speed reduction can improve system overall performance because many motors do not operate effectively at suprisingly low rpm. For example, look at a stone-grinding mechanism that will require the motor to perform at 15 rpm. This slow rate makes turning the grinding wheel challenging because the motor will cog. The variable resistance of the rock being floor also hinders its simple turning. With the addition of a 100:1 gearhead and letting the electric motor run at 1,500 rpm, the engine and gear head provides smooth rotation as the gearhead output provides a more constant force using 
its output rotating at 15 rpm.
Inertia matching. Servo motors generate more torque in accordance with frame size because of lightweight components, dense copper windings, and high-energy magnets. The effect is better inertial mismatches between servo motors and the loads they are trying to control. The usage of a gearhead to raised match the inertia of the engine to the inertia of the load can enable the use of a smaller motor and results in a far more responsive system that is easier to tune.