Common faults and maintenance of punching and shearing machines at Manhart (Guangdong) CNC Machine Tool Co., Ltd

Common faults and maintenance of punching and shearing machines
1、 Motor faults and maintenance
1. Fault phenomenon: The motor cannot start or runs abnormally.
2. Maintenance method: First, check if the power supply is normal to ensure voltage stability; Secondly, check if the motor wiring is loose or has poor contact; If the problem remains unresolved, it may be an internal malfunction of the motor, which needs to be disassembled for inspection and replacement of damaged components.
2、 Hydraulic system fault handling
1. Fault phenomenon: The hydraulic cylinder moves slowly, weakly, or leaks oil.
2. Handling method: Check if the hydraulic oil is sufficient and replenish it in a timely manner; Clean or replace the filter element to keep the oil clean; Check for leaks in hydraulic pipelines, tighten or replace seals; If the hydraulic cylinder is damaged internally, it needs to be replaced.
3、 Mechanical component troubleshooting
1. Fault phenomenon: Tool wear, loose bearings, or damaged guide rails.
2. Troubleshooting method: Regularly check the wear of cutting tools and replace severely worn tools in a timely manner; Tighten loose bearings and screws; Check if the guide rail is worn or deformed, and repair or replace it if necessary.
4、 Control system malfunction maintenance
1. Fault phenomenon: Control system malfunction, unable to control the action of the punching and shearing machine.
2. Maintenance method: Check if the power supply of the control system is normal; Check if the control circuit is loose or short circuited; If the controller is damaged, a new controller needs to be replaced.
5、 Safety device malfunction resolution
1. Fault phenomenon: The safety device has failed and cannot provide protection.
2. Solution: Check if the safety device is damaged or malfunctions; Adjust the position and sensitivity of safety devices to ensure their normal operation; Regular maintenance and upkeep of safety devices.
6、 Power and switch inspection
1. Inspection content: Ensure that the power supply is stable and the switch is working properly.
2. Inspection method: Use a voltmeter to check if the power supply voltage is stable; Check if the switch has good contact and no damage; If any problems are found, replace or repair them in a timely manner.
7、 Lubrication maintenance and replacement
1. Lubrication maintenance: Regularly maintain the lubrication system of the shearing machine, add or replace lubricating oil, and ensure the normal operation of the equipment.
2. Replacement of components: Based on the usage and maintenance cycle of the equipment, replace severely worn components in a timely manner to avoid malfunctions.
8、 Testing the machine to ensure safety
1. Test content: Conduct a comprehensive test on the hedge shearing machine to ensure that its performance and safety meet the requirements.
2. Testing method: Conduct no-load and load tests according to the operating procedures, and observe the operation of the equipment; Check if the safety devices are effective; After the testing is completed, clean and maintain the equipment.
Through the introduction of common faults and repair methods mentioned above, we can have a rough understanding of the basic maintenance and troubleshooting of shearing machines. In practical operation, it is necessary to flexibly respond according to specific situations to ensure the normal operation of equipment and the safety of operators. At the same time, regular maintenance and inspection of equipment can prolong its service life and improve production efficiency.