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脉冲激光焊接过程中，焊接参数的选取存在相互制约的关系。以电压和脉冲宽度为例，分析了产生制约关系的物理内因过程。所得结果有益于决定影响可变参数最大动态范围的最优参数点。
Pulsed laser welding process, the selection of welding parameters exist the relationship between each other. Taking the voltage and pulse width as an example, we analyze the physical internal process that produces the constraint relationship. The results obtained are useful in determining the optimal parameter point that affects the maximum dynamic range of a variable parameter.