| 摘要 |
Automated positioning appartus for positioning multi-contact components (from 15) on a circuit (on 17) utilizes automated members having a high degree of repetitive movement but not in themselves accurate, such member realtively inexpensive. A positioning member (11) picks up a component and moves it over a first viewing head (18). The component is viewed and its orientation determined. A viewing head (14) on the positioning member (11) is then positioned over a target on a circuit board and its position and orientation determined. The results enable the positioning member to position the component on the circuit board in the correct position and orientation. The viewing heads (14, 18) are calibrated for aspect ratio and pixel dimension. Also, the fields of view of the viewing heads are calibrated for orientation relative to the positioning member (11). The position and orientation of the viewing head on the positioning member relative to a pick-up member on the positioning member is also obtained. |
