The bending sheet should be centered on the machine tool to ensure even pressure distribution and maintain the accuracy of the bending process. Avoiding any lateral shift is essential, as it can lead to uneven bending or damage to the machine over time. If unilateral processing is required, the load must not exceed 1/4 of the machine’s rated force. Always fold the sheet from both sides simultaneously to prevent uneven stress on the material and the machine structure.
N46 hydraulic oil should be used in the reservoir. After the first use, it is recommended to filter and replace the oil within the first year. The normal operating temperature range for the oil is 15–60°C. Regularly clean the mesh filter at the suction port to ensure smooth oil flow. A clogged filter can cause the oil pump to lose suction, leading to vibrations and excessive noise in the machine.
The machine requires periodic lubrication. Each lubrication point should be properly oiled during daily operations to ensure smooth movement and reduce wear. Make sure to follow the manufacturer's guidelines for the type and frequency of lubrication.
A trained operator must always be present when using the machine. The operator should have a thorough understanding of the machine’s operation, safety procedures, and maintenance requirements to prevent accidents and ensure efficient performance.
Never exceed the machine’s nominal bending force. Overloading can cause serious damage to the machine and compromise the quality of the workpiece.
To extend the life of the molds and protect the system, avoid applying excessive pressure due to short sheet lengths. When bending short sheets, reduce the machine’s working pressure accordingly. Ensure that for every 100 mm of workpiece length, the applied force does not exceed 100 kN. This helps prevent mold damage and maintains consistent bending quality.
The gap between the upper and lower molds should initially be adjusted based on the thickness of the material being bent. A gap slightly larger than the sheet thickness—approximately 1 mm—is recommended to prevent the mold from being crushed due to insufficient clearance. This adjustment ensures smoother bending and reduces the risk of damage to the tools.
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By following these guidelines, you can ensure safe, efficient, and long-lasting operation of your bending machine. Always refer to the user manual for specific instructions and consult a professional if unsure about any procedure.
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