| 摘要 |
PROBLEM TO BE SOLVED: To perform the operation of changing the working stage associated with a change in the type of board easily and quickly, by supporting the board that has been transferred and positioned with a backup unit, and by arranging a plurality of such units in the direction of transferring the board. SOLUTION: An electronic component mounting apparatus 20 has means 21 for transferring a printed board 5, a board backup unit 23 for supporting the board 5 located at a working position P, a control section and the like. The transferred board 5 is stopped at the position P. The unit 23 has six backup units 28a to 28f juxtaposed on a base plate 27. The control section selects a backup unit that suits the board 5 at the position P. When a board 5 is located at the position P due to a change in the type of product, the control section selects backup sections 29a to 29d, and operates to change the working stage so that the board 5 is supported by board supporting surfaces 31a to 31d. |
