Smoothness and absence of ripple are essential for the printing of elaborate color images on reusable plastic-type material cups offered by fast-food chains. The colour image is made up of millions of tiny ink spots of many shades and shades. The complete glass is printed in one pass (unlike regular color separation where each color is imprinted separately). The gearheads must function efficiently enough to synchronize ink blankets, printing plates, and glass rollers without presenting any ripple or inaccuracies that may smudge the image. In this case, the hybrid gearhead reduces motor shaft runout mistake, which reduces roughness.
At times a motor's capability may be limited to the stage where it needs gearing. As servo producers develop more powerful motors that can muscles applications through more complicated moves and produce higher torques and speeds, these motors need gearheads add up to the task.
Interestingly, no more than a third of the motion control systems operating use gearing at all. There are, of program, good reasons to do so. Utilizing a gearhead with a servo motor or using an integrated gearmotor can enable the use of a servo gear reducer smaller motor, thereby reducing the machine size and price. There are three principal advantages of choosing gears, each of which can enable the use of smaller sized motors and drives and for that reason lower total system cost:
Torque multiplication. The gears and amount of the teeth on each gear create a ratio. If a electric motor can generate 100 in-lbs of torque, and a 5:1 ratio gear head is attached to its output, the resulting torque will become near to 500 in-lbs.
When a motor is running at 1,000 rpm and a 5:1 ratio gearhead is attached to it, the swiftness at the output will be 200 rpm. This speed reduction can improve system functionality because many motors do not operate effectively at suprisingly low rpm. For example, consider a stone-grinding mechanism that requires the motor to run at 15 rpm. This slow quickness makes turning the grinding wheel tough because the motor will cog. The variable level of resistance of the rock being floor also hinders its ease of turning. With the addition of a 100:1 gearhead and letting the motor run at 1,500 
rpm, the electric motor and gear head provides smooth rotation as the gearhead output offers a more constant drive using its output rotating at 15 rpm.
Inertia matching. Servo motors generate more torque relative to frame size because of lightweight materials, dense copper windings, and high-energy magnets. The effect is better inertial mismatches between servo motors and the loads they want to control. The use of a gearhead to raised match the inertia of the electric motor to the inertia of the strain can enable the usage of a smaller electric motor and outcomes in a far more responsive system that is easier to tune.