Robotic Gripper

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Издатель Jul 29, 2026

This compact automation mechanism packs several clever engineering ideas into one precise motion

This video explains the working principle of a solar panel string welding gripper, an automated end-effector used in photovoltaic (PV) production lines to transfer fragile solar cell strings safely and accurately.

The gripper uses a row of pneumatic cylinders to clamp the entire string evenly. The complete gripper assembly is then rotated by a servo motor through a timing belt and pulley system, delivering smooth, repeatable, and high-precision positioning.

One of the most interesting design details is the pneumatic routing. Instead of allowing air hoses to twist as the gripper rotates, the system uses a rotary pneumatic fitting (KSL Rotary One-Touch Fitting) that lets compressed air pass through a rotating joint. This clever solution eliminates hose tangling, improves reliability, and enables continuous rotation without interrupting the air supply.

It's a great example of how a small mechanical detail can solve a major automation challenge.

Video reference from:
kanksolarzeke (Instagram)
https://www.instagram.com/p/DbHuN19hJzG/

#solar #3ddesign #mechanical #cad #mechanicaldesign #mechatronics #3dprinting #automation