Gear planers are machine tools used for the production of gears. These machines work by using a rotary tool called a planer to remove material from a workpiece to form the teeth of the gear. Gear planers are especially useful for producing gears with complex shapes and profiles that are more difficult or impossible to create using other processes. These machines are capable of forming teeth with high precision and accuracy and can produce excellent surface quality. Generally, gear planers are part of a power transmission or mechanical engineering production line and work closely with other machine tools such as grinders or gear cutting machines to ensure high quality of the parts produced. It is important to note that the use of a gear planer requires a high level of expertise and skill to ensure that the parts produced meet the desired specifications and have a sufficient service life.