碾砂机底板和外壁等原来都是钢铁制做,因不耐磨需停机换件。最近我厂改用辉绿岩铸石板获得成功。改用过程中,需按尺寸和形状要求切割25毫米厚的铸石板,一般介绍用氧焰加热切割,我厂在应用中认为电加热切割更好。在需切割的铸石板上,放置一根直径5毫米电阻丝(可按要求切割形状煨成直线形、弧形、角形等),在电阻丝两侧铸石板上,覆盖湿石棉板,电阻丝的两端与普通交流电焊机出线 The original sand mill floor and outer walls are made of steel, wear-resistant due to wear and tear to be stopped for the replacement. Recently, I switched to diabase stone tablet success. Switch to the process, according to the size and shape required cutting 25 mm thick cast stone, the general introduction of oxygen flame heating cutting, I plant in the application of electric heating cutting better. In the need to cut the cast stone, place a diameter of 5 mm resistance wire (can be shaped according to the requirements of the shape of the simmer into a straight line, curved, angular, etc.), on both sides of the resistance wire cast stone, covered wet asbestos board, The two ends of the AC welding machine with a normal outlet