系统采用积分分离式变参数PID调节器，在焊接电流调节范围内，具有良好的响应速度和调节性能。

The PID adjuster of integration separation mode has been used in this system, which have good responsive speed and adjust property in the range of welding current.

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激光焊接有很快的加热和冷却速度，热作用范围窄，在合适的工艺条件下可避免RPC钢HAZ的软化，激光焊接是高质量焊接RPC钢的方法之一。

In order to avoid the possible softening of HAZ in welding of RPC steel, laser welding is one of the best methods due to its faster heating and cooling rate and narrower HAZ.

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注：送丝速度及焊接电压设置范围与配套焊接电源相关。

Note: the wire feeding speed and the welding voltage are dependent on the selected welding power.

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