[Tianjin letter stable steady Abrasives Co., you can promote the star products ---- cutting discs] 4, stone cutting machine power run one minute, running a hand grip, the hand should not feel any unusual apparent fibrillation diamond cutting discs, observe commutation sparks 400-cutting, which should not exceed 3/2 commutation spark class, usually from the air inlet inside look at the tools, the commutator surface should be no significant arc. Running, should no unusual noises. 5, observe stone cutting machine packaging, the packaging should be a clear pattern, no damage, open the box to observe the appearance of stone cutting machine, metal cutting should be uniform color film, plastic parts surface without obvious shadow silk and dents, there should be no scratch or bump marks, housing parts assembly misalignment between ≤0.5mm, aluminum casting defect-free coating is smooth and beautiful cut pieces, the whole surface should be free of grease and stains. When the hand grip, feel feel better, switch handle should be smooth. The length of the cable should generally be not less than 2 meters. [Tianjin letter stable steady Abrasives Co., you can promote the star products ---- Cutting sheet] resin-cutting purposes: for stainless steel tube, capillary, glass, quartz tube, automobile exhaust pipes, brake lines, tungsten wire, molybdenum wire, copper wire and cutting other fittings and filaments, and for special steel cutting and slotting the workpiece has a good effect. 400mm cutting discs, Zhangjiakou cutting discs, cutting discs stars manufacturers selected by Tianjin steady steady steady letter letter Abrasives Co., Ltd. can provide stability. Tianjin stable steady may Abrasives Co. letter (www.tjwxwk.com) to provide "grinding, cutting, angle grinding, a hundred blades" business, the company has "stabilized may" and other brands. Focus on Abrasives and other industries in Tianjin have a higher visibility. Welcomes inquiries, contact: Wang Xiaoyu.