| 摘要 |
PROBLEM TO BE SOLVED: To greatly reduce labor and time for grinding operation by providing grinding means which can receive a grindstone from grindstone housing means and deliver it to the means and grinds a stone material placed on stone material holding means with the grindstone. SOLUTION: A stone material 1 is placed on a moving base 33 of a frame 31 and is positioned on the frame 31 by turning a bolt 35 with a lever and turning a shaft with a lever. When a robot 10 is activated, the robot 10 grinds the stone material 1 on a predetermined frame 31 while selectively replacing a suitable grindstone 11 from a grindstone housing table 22. After the robot 10 grinds the stone material 1, it grinds a stone material 1 on the other frame 31 like before. |
