Imagine walking into your kitchen in the morning and seeing the robotic arm of an automatic coffee machine steadily grasping your cup, or observing a robot arm in a warehouse rapidly and precisely moving boxes. Behind these smooth movements, it is not just motors or programming at work; structural components quietly provide critical support. Frames, brackets, and housings do more than maintain the skeleton—they carry high-precision gears and bearings, distribute motion loads, protect internal systems, and ultimately allow the robot to move as naturally and steadily as a human hand.

Welding is a manufacturing process and technology that uses heat, high temperature or high pressure to join metal or other thermoplastic materials such as plastics. According to the state of the metal in the welding process and the characteristics of the process, the welding methods can be divided into three categories: welding, pressure welding and braze welding.

Spot welding is a type of welding used to weld sheets of metal together by clamping the sheets together at a single point and passing an electric current through the point to melt the sheets together.