| 摘要 |
PURPOSE:To prevent the erroneous working by a data input mistake in the drilling pin driving process of a printed board by automatizing the cutting of an inner layer base from a multilayer printed board in this process. CONSTITUTION:A drill device 12, a beam sensor 13, and a switching device 14 are provided. By confirming the presence of a hole on a base by the beam sensor 13, an inner layer base or a multilayer plate is cut off. |
