| 摘要 |
A workpiece transfer system may include a plurality of cassettes for storing workpieces, at least one workpiece processing apparatus, and a multi-joint industrial robot for loading and unloading workpieces to/from the cassettes. The multi-joint industrial robot may include a hand part for holding a workpiece, an arm part supporting the hand part so as to make the hand part rotatable, and a link mechanism that supports an arm joint part, positioned at a base side of the arm part, so as to make the arm joint part rotatable.
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