| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for accurately and easily and quickly positioning a work such as a plastic sheet S in an X axial direction, Y axial direction, and around aθaxis. SOLUTION: This device is provided with a table unit mechanism 2 for placing a sheet S, and for moving this sheet S to a Y direction and an X direction, and for rotating the sheet S around aθaxis 32. Also, this device is provided with a first edge part detector 50a and a second edge part detector 50b for detecting the two parts of one edge part of the sheet S and a third edge part detector 50c for detecting one part of the other edge part of the sheet S. Then, one part of one edge part of the sheet S is made coincident with theθrotary axis, and aθaxial table 31 is moved to the Y axial direction, and one edge part of the sheet S is detected in a state that the first edge part detector 50a is made coincident with theθrotary axis 32, and the sheet S is rotated around theθaxis, and one edge part of the sheet S is detected by the second edge part detector 50b, Thus, the positioning of the Y axial direction and around theθaxis can be executed by one time of operation.
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