How does Manhart (Guangdong) CNC Co., Ltd. monitor heat input during the welding process?

Monitoring heat input during the welding process is an important step in ensuring welding quality and preventing welding deformation. Heat input refers to the heat transferred to the workpiece during the welding process, which directly affects the quality, performance, and deformation of the welded joint. Here are some methods for monitoring heat input:

1. * * Use welding ammeter and voltmeter * *: By monitoring welding current and voltage in real time, the size of heat input can be indirectly understood. Welding current and voltage are key parameters that affect welding heat input, and the amount of heat input can be controlled by adjusting them. Generally speaking, increasing welding current and voltage will increase heat input, while reducing them will reduce heat input.

2. * * Using a thermal imager * *: The thermal imager can monitor the temperature distribution on the surface of the workpiece in real-time during the welding process, thereby evaluating the size and distribution of heat input. This method is very useful for evaluating the welding heat affected zone and predicting welding deformation.

3. * * Control welding speed * *: Welding speed is one of the important factors affecting heat input. A slower welding speed will increase heat input, while a faster welding speed will reduce heat input. Therefore, by controlling the welding speed, the size of heat input can be indirectly monitored.

4. * * Monitoring the temperature of welding joints * *: Using temperature sensors or thermocouples to monitor the real-time temperature of welding joints can help understand the heat input during the welding process. By controlling the temperature of the welded joint, welding quality can be ensured and deformation caused by overheating can be prevented.

5. * * Observation of welding pool * *: The welding pool is a liquid metal area formed during the welding process, and its size and shape can reflect the size of heat input. By observing the changes in the welding melt pool, it is possible to preliminarily determine whether the heat input is appropriate.

6. * * Using Computer Simulation and Simulation * *: Through computer simulation and simulation software, it is possible to predict the distribution of heat input during the welding process and the deformation of welded joints. This method can be simulated and optimized before actual welding to reduce experimental costs and improve welding quality.

It should be noted that monitoring heat input is a comprehensive task that requires a combination of multiple methods and means. At the same time, monitoring heat input also needs to be adjusted and optimized based on specific welding processes, base material characteristics, and welding requirements.