The band sawing machine is a hydraulic circuit composed of pumps, valves, cylinders, tanks, pipelines and other auxiliary parts through a hydraulic transmission system. The lifting of the saw beam and the clamping of the workpiece are completed under electrical control. Through the speed control valve, stepless speed regulation of the feed speed can be implemented to meet the needs of sawing workpieces of different materials. The electrical control system consists of a control loop composed of an electrical box, a control box, a junction box, a travel switch, an electromagnet, etc., used to control the rotation of the band saw blade, the lifting of the saw beam, the clamping of the workpiece, etc., to make it follow a certain working procedure Sawing equipment to realize the normal cutting cycle.
1. Unreasonable planning. If the vent hole is not planned or the vent hole is too small, the internal pressure and the external pressure cannot be balanced, causing the lubricant to leak.
2. The production plan fails to meet the requirements, and the accuracy of the joint surface of the box body is not good, resulting in a loose seal and oil leakage.
3. Improper operation and maintenance have caused multiple blockages, resulting in excessive internal pressure, excessive oil volume, and excessive oil level; the connecting bolts are loose, making the contact surface of the box not tight.
What are the ways to avoid transmission oil leakage:
1. In order to avoid oil leakage, the planning should be improved, and ventilation equipment should be installed on the gearbox investigation hole cover and the oil filling hole cover to ensure that the pressure is balanced on the surface of the box and the air flow is smooth;
2. Improve the machining accuracy of the joint surface of the box body and each cooperating surface to avoid deformation of the box body;
Third, other maintenance operations must be done, often check and dredge its vent holes, the amount of oil is appropriate, repair the split surface of the box, and replace it if the deformation is severe.
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