Numerical control lathe smooth system fault analysis of alarm

in general, smooth handling related to other control system of numerical control lathe is relatively simple, but in the practical operation seems simple but contains the truth. Analyzes the case of the CNC lathe smooth problem below through summarizing, repairs and can benefit a lot from it. Choose FANUC numerical control system of numerical control lathe, its smooth system, four points by the hydraulic oil tank, oil pump motor oil machine, detection of liquid level and pressure respectively by the float switch and pressure switch is gone. Smooth after the system pressure reaches the normal operation of 4 MPa, smooth system over 4 smooth circulation, namely by the four road guide rail end points lubrication and progressive, spindle, screw and so on four parts of a smooth, its detection method is by the pressure switch on and off four times, PLC after the action logic signal is detected, the completion of smooth, smooth or you think the initialization failed, and then lead to the police. Progressive type smooth smooth system first by the oil pump, progressive distributor, and connect the pump to the distributor, the distributor to give oil of all kinds of pipe parts. Its structure is made up of smooth pump out smooth oil/grease by progressive homework distributor to the smooth parts scattered supply in progressive way. Progressive type oil distributor is a smooth oil metering, and according to the order must be running operations smooth components. Can will quantitative smooth oil ( Fat) According to the rules of the order from the oil outlet progressive outlet and to smooth points one by one, can not only apply to the end pressure oil in 1 ~ 6 MPa smooth smooth, and can apply to the end pressure in 1 ~ 5 MPa smooth fat is smooth. Divided into two major categories of monolithic, chip from the structure, according to the different structure of practice can be selected and different combinations, can end cycle or approximate string is smooth. Nc lathe system smooth movement theory: progressive type concentrated smooth system in constitute the system of progressive operations on action method has a characteristic of distributor, distributor progressive assignment is distributor within the plunger in the smooth pumping agent under the pressure of the progressive movement, distributing the smooth agent for oil parts. During smooth agent sent to the distributor by pump pressure, plunger repetitive movements, give oil smooth agent distributed to each site, along with the oil pump oil and a time to give parts and oil supply times different, smooth start-stop moment control of pump are set in the machine PLC programming. Just enter the progressive smooth agent insist on homework distributor must stress, distributor will be able to have homework. Just any one in the center piece of live his death cannot move, other center piece of the piston will all be blocked, the distributor will cease to work, just set in the center piece of inductive proximity switch of piston movement, can alarm in time when piston is blocked.

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