The Q-80Z automatic cutting machine is controlled by PLC and touch screen, with very high reliability and powerful control capabilities. The whole machine adopts a fully enclosed structure, and the safety shield of the cutting room is equipped with an extra-large observation window, which is convenient for users to observe the entire cutting process of the sample; equipped with an LED lighting system to achieve effective lighting of the entire cutting room; equipped with a circulating cooling system to ensure that the surface of the sample after cutting is bright, flat, and free of burns; suitable for cutting samples of various metals and non-metallic materials to observe the metallographic and petrographic structures of the materials. It has the characteristics of automated cutting process, low noise, simple operation, safety and reliability, and is one of the necessary equipment for laboratory sample preparation.