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Maintenance of Rapid Mold Change System for Die Casting Machine:
(1) Perform a thorough cleaning of the machine;
(2) Clean the filter element of the filter;
(3) Check if the gap between the large bar and the guide sleeve is normal, and if there is any strain on the large bar and guide rail. If there is any strain, it should be repaired with an oilstone in a timely manner;
(4) Check and tighten all hydraulic cylinder and hydraulic pipeline connection fasteners;
(5) Check the sealing condition of electrical boxes, operation boxes, etc., sort out the dust attached inside, tighten all components and wire connectors;
(6) Check or replace damaged wires and components;
(7) Check the fastening screws of the machine's fixed plate and large bar nuts;
(8) After starting the machine for the first time or after a major overhaul for a full 300 hours, the filter element should be cleaned and replaced, and the hydraulic oil should be filtered from the beginning (according to the rules in the machine manual). The oil tank of the machine should also be cleaned from the beginning, and then the filtered hydraulic oil should be added; From now on, every 3000-4000 hours of operation, the hydraulic oil quality must be checked before it can be filtered again. Otherwise, new hydraulic oil (fluid) should be replaced; The pollution level limit of hydraulic oil (fluid) is VAS II, and the proportion system is NAS8 level.