What is the working principle of welding robots

Release time:

2024-10-05

　　In the kinematics of welding robots, given the pose that the end effector of the welding robot wants to reach, the angles that each joint needs to rotate can be calculated by solving the motion equation. Therefore, the motion of each joint during the motion process is not independent of each other, but rather the coordinated motion of each axis. The control of welding robot motion is actually achieved through separate control of each axis servo system.

　　So the motion of the end effector of the welding robot must be decomposed into the sub movements of each axis, that is, the speed, acceleration, and force or torque of the actuator motion must be decomposed into the speed of each axis, and independently controlled by the servo system of each axis. For multi joint mechanisms such as welding robotic arms, it is difficult to directly detect the motion of the welding robot's end effector. Generally, only each joint is controlled, which belongs to a semi closed loop system. Metal can achieve closed-loop control from servo motors.

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