1. Protective device. It is used to isolate the operator and the rotating parts of the machinery and equipment, the live parts and the harmful substances generated during processing. Such as belt cover, gear cover, electrical cover, iron filings, protective railings, etc.
2. Предпазно устройство. Използва се за подобряване на работната надеждност на машинното оборудване за гравиране на камък. Когато даден компонент се повреди или е претоварен, защитното устройство работи, бързо спирайки оборудването или преминавайки към не - операция с натоварване. Като ограничител на хода, съединител на триене и т.н.
3. Interlocking device. Used to control the operation sequence of stone engraving machine equipment to avoid accidents caused by uncoordinated actions. If the lathe screw and polished rod cannot move at the same time, it is necessary to install electrical or mechanical interlocking devices to control.
4. Signaling device. It is used to indicate the operating conditions of machinery and equipment, or to send out signals such as colors and sounds when the machinery and equipment are malfunctioning to remind the operator to take emergency measures to deal with it. Such as indicators, buzzers, electric bells, etc.