| 摘要 |
An SMD pick-and-place head for picking an SMD (Surface Mounting Device) and placing it on a predetermined location of a PC board automatically. An SMD pick-and-place head also automatically centers a picked up SMD, so as to place the SMD at a predetermined location precisely. The SMD pick-and-place head comprises a body shell, a nozzle device, a vacuum source, an elevating device, two couples of centering links, a centering link drive mechanism, and a nozzle rotation drive mechanism.
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