The sheet metal being bent should be positioned in the center of the machine tool. It is important to avoid any bias, as this can negatively affect the bending quality and reduce the machine's precision. If unilateral processing is required, the load should not exceed 1/4 of the machine’s rated force. To prevent uneven stress on the material, it is recommended to fold the sheet from both sides simultaneously.
N46 hydraulic oil should be added to the reservoir. After the initial use, the oil must be filtered and replaced within the first year. The normal operating temperature of the oil should range between 15°C and 60°C. Regular cleaning of the mesh filter at the suction port is essential to ensure smooth oil flow. Failure to do so may cause the oil pump to experience cavitation, leading to vibration and excessive noise in the machine.
The machine uses a decentralized lubrication system, where each lubrication point is manually greased during daily operations. This ensures that all moving parts remain well-lubricated and function smoothly.
A trained operator must always be present when using the machine. The operator should have a thorough understanding of the machine’s operation and safety procedures to prevent accidents and ensure proper usage.
The bending force applied to the workpiece must not exceed the machine’s nominal force. Exceeding this limit can damage the machine and compromise the quality of the work.
To extend the life of the molds and protect the system, care must be taken when bending short sheets. Applying too much pressure can lead to mold damage or system failure. When working with short pieces, it is advisable to reduce the machine’s operating pressure. Ensure that for every 100 mm of workpiece length, the bending force does not exceed 100 kN.
The gap between the upper and lower molds should initially be set based on the thickness of the sheet being bent. A gap slightly larger than the sheet thickness—approximately 1 mm—is recommended to prevent the mold from being crushed due to excessive pressure.
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Proper maintenance and adherence to operational guidelines are crucial for ensuring the longevity and performance of the machine. Always follow the manufacturer’s recommendations and conduct regular inspections to identify and address potential issues before they escalate. By maintaining good practices, you can significantly improve efficiency and reduce downtime.
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