| 摘要 |
PROBLEM TO BE SOLVED: To reduce equipment cost by reducing the unit cost of a pallet, in a transfer type working system for carrying a workpiece W with a bolt passing hole Wa for bolting to an assembled object along a working line while fixedly placing the workpiece on the pallet 2, in which a handling robot is used to load or pick up the workpiece onto or from the pallet. SOLUTION: A dedicated pallet part 21 removably mountable on a baseplate part 20 of the pallet 2 has a nut part 242, and the baseplate part 20 has a bolt holding part 27 for holding a clamping bolt 25. After a robot hand of the handling robot is mounted with a work gripper and a nut runner and the workpiece W is gripped on the pallet 2, the clamping bolt 25 is first gripped by a chuck attached to the nut runner and picked up from the bolt holder, then inserted in the bolt passing hole Wa in the workpiece W, and next threaded in the nut part 242 by the nut runner to fix the workpiece W on the pallet 2. No work clamper is necessary on the pallet 2 to offer cost reduction.
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