1. Protective devices. It is used to isolate the operator and the rotating parts of the machine equipment, the live parts and the harmful substances generated during the processing. Such as belt cover, gear cover, electrical cover, iron scrap baffle, protective railing, etc.
2. Safety device. Used to improve the reliability of machine tools. When a certain component fails or is overloaded, the safety device will act to quickly stop the equipment from working or switch to no-load operation. Such as travel limiter, friction clutch, etc.
3. Interlocking device. It is used to control the operation sequence of machine tool equipment and avoid accidents caused by uncoordinated actions. For example, the lathe screw and the polished rod cannot move at the same time, etc., an electrical or mechanical interlocking device must be installed to control it.
4. Signal device. It is used to indicate the operation of the machinery and equipment, or when the machinery and equipment is running abnormally, it will send out signals such as color and sound to remind the operator to take emergency measures to deal with it. Such as indicator lights, buzzers, bells, etc.