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The hydraulic drilling machine LGR-DRILLING is particularly fitted for carrying out drillings with widia gear rims having a diameter ranging from 90mm to 205mm for the diamond wire passage. The machine is set up on two steel pilot pins, which are ground, chromium plated, connected by traverses for stiffening and fixing to the ground. The rotation is performed by a 7,5 or 1ohp electric engine (according to the models), which makes the rotation level gear pair work by a stud chain. The rise and descent of the machine is carried out by a hydraulic system made up of a mobile hydraulic gear case (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 on the ground is carried out by chains and turnbuckles in order to assure the maximum stability and absence of vibrations. On request we can supply an air/water connection in order to facilitate the material drainage during the drilling. 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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