Maintenance of rapid mold change system for die-casting machine:
(1) Thoroughly clean the machine;
(2) Clean the filter element;
(3) Check if the gap between the large bar and the guide sleeve is normal, and if there are any strains on the large bar and guide rail. If there are strains, they should be leveled with an oilstone in a timely manner;
(4) Inspect 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) Inspect or replace damaged wires and components;
(7) Check the fastening screws of the machine's fixed plate large bar nut;
(8) After starting the machine for the first time or starting it for 300 hours after major repairs, the filter element should be cleaned and replaced, the hydraulic oil should be filtered from the beginning (according to the rules in the machine manual), and the oil tank of the machine should also be cleaned from the beginning, and then filled with filtered hydraulic oil; From now on, every 3000 to 4000 hours of operation, the hydraulic oil must be checked for quality before it can be filtered from the beginning. Otherwise, new hydraulic oil (fluid) should be replaced; The maximum pollution level of hydraulic oil (fluid) is VAS II, and the share system is NAS8 level.