1、 Key points for performance evaluation of lithium battery spot welding machine
Welding quality:
·Robustness: The welding points must be stable and able to withstand the specified mechanical tests to prevent the welding points from breaking or falling off during the operation of the battery pack.
·Uniform distribution: The welding points should evenly cover the connection area of the battery pack to ensure the overall efficiency and stability of the battery pack.
·Appearance standard: Welding points should be smooth and flawless to enhance the appearance and reliability of the battery pack.
Equipment stability:
·Failure rate: High quality spot welding machines have a low failure rate and can operate continuously and stably, reducing downtime and maintenance costs.
·Continuous operation duration: Long term trouble free operation is an important indicator for measuring equipment stability, representing equipment durability and low maintenance requirements.
·Maintenance frequency: Low maintenance frequency indicates that the equipment is designed reasonably, manufactured well, and reduces unnecessary maintenance burden.
Automation level:
·Control system: Advanced automation control system can accurately regulate welding parameters, achieve automated operations, improve production efficiency and welding quality.
·Sensor monitoring: Sensor configuration ensures real-time monitoring of welding process parameters, ensuring operational safety and welding stability.
Welding adaptability:
·Wide applicability: The spot welding machine should be able to meet the welding needs of different models and specifications of battery packs, with strong adaptability.
·Power matching: Based on the design requirements of the battery pack and the thickness of the nickel sheet, select the appropriate welding power to avoid welding problems caused by insufficient or excessive power.

2、 Operation and maintenance skills of lithium battery spot welding machine
Operation skills:
·Familiarize yourself with the equipment: Carefully read the instructions before use to understand the operating methods and safety precautions.
·Keep the environment clean: The operating environment should be kept dry and tidy, avoiding debris and moisture that may affect equipment performance and welding quality.
·Parameter adjustment: Accurately adjust welding parameters such as current, voltage, time, etc. according to the type of battery pack.
·Safety protection: Wear necessary protective equipment, follow safety operating procedures, and prevent safety accidents.
Maintenance skills:
·Regular cleaning: Use compressed air or a soft cloth to clean the surface of the equipment and keep the appearance clean.
·Check vulnerable parts: Regularly inspect vulnerable parts such as electrodes and conductive strips, and replace them promptly if they are worn or damaged.
·System inspection: Regularly check the circuit and control system to ensure tight connections and good contact, and prevent faults from occurring.
·Safe power-off: Ensure that the equipment is powered off before maintenance to avoid the risk of electric shock.
·Voltage calibration: Regularly calibrate the voltage to ensure stable voltage during the welding process and guarantee welding quality.
·Wire inspection: Check the status of wires and connectors to ensure no damage and ensure the reliability and safety of the equipment.

In summary, the performance evaluation and operation maintenance of lithium battery spot welding machines are crucial for ensuring the quality of battery packs, improving production efficiency, and ensuring personnel safety. Therefore, it is necessary to follow the procedures during operation and conduct regular maintenance to ensure stable equipment performance.