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LGR-FAST65 drilling machine is especially suitable for the execution of drillings from o 65 MM for the diamond wire passage. It can execute vertical, horizontal and inclined drillings. High drilling speed, stratapax rims use and functional capacity are its main characteristics, which allowed to obtain more accuracy and high efficiency about drilling. The reduced weight of the machine and the possibility to dismount it into different parts, make its transport and positioning easy. The machine is placed on two steel, rectified, chromium-plated columns, connected by extremities bars for its stiffening and for the fixing to the ground. The alloyed bronze sliding bushes are well oiled and protected by proper dust-covers. The drilling tool rotation is controlled by a triple speed rotation electric engine. During the drilling, the feed and the going-up of the machine are controlled by an oleo dynamic plant made up of a mobile hydraulic gear case (with 110/120 pressure) operated by an electric engine working on gear pump, with a continuous delivery change (variation) through a flow control valve; the gear case is connected to the hydraulic cylinder through high pressure flexible pipes. The hydraulic cylinders causes the movement relative to the engine body as to the pilot pins. The safety and control electric panel is connected to the hydraulic set. The machine is equipped with a clamp for the clamping of the elastic coupling on the drilling tubes column. The anchorage to the ground is obtained through adjustable chains and turnbuckles in order to assure the maximum stability and the absence of vibrations. Besides the execution of total destruction drilling, the machine can be equipped with hollow tools for the execution of core drilling for marble drilling.







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