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Infinite Positioning Mechanism for Components

IP.com Disclosure Number: IPCOM000050589D
Original Publication Date: 1982-Nov-01
Included in the Prior Art Database: 2005-Feb-10
Document File: 2 page(s) / 28K

Publishing Venue

IBM

Related People

Arnold, OE: AUTHOR

Abstract

When capacitors, crossovers and other components 12 are picked up by a probe 14 from a load station, they are not precisely aligned with the substrate or part into which they are to be placed. In order to align the part 12, the probe 14 moves to a pron 10, which is a positioning device that can align the part with the probe so that it is in the right orientation to be inserted into the substrate. In operation, the probe 14 moves over the pron 10 and lowers the part 12 into the pron. Since the probe and pron are not aligned in the X-Y and angular positions, the part must be repositioned on the probe. This is accomplished When the lower part 18 of the infinite positioning probe 14 moves to the new position. The lower probe portion 18 is held to the upper portion of the probe 14 by a vacuum.

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Infinite Positioning Mechanism for Components

When capacitors, crossovers and other components 12 are picked up by a probe 14 from a load station, they are not precisely aligned with the substrate or part into which they are to be placed. In order to align the part 12, the probe 14 moves to a pron 10, which is a positioning device that can align the part with the probe so that it is in the right orientation to be inserted into the substrate. In operation, the probe 14 moves over the pron 10 and lowers the part 12 into the pron. Since the probe and pron are not aligned in the X-Y and angular positions, the part must be repositioned on the probe. This is accomplished When the lower part 18 of the infinite positioning probe 14 moves to the new position. The lower probe portion 18 is held to the upper portion of the probe 14 by a vacuum. As the part 12 is lowered into the pron 10, the vacuum in vacuum chamber 20 is released, thereby freeing plate 16, allowing the lower part 18 to take the position determined by the part 12 inserted in the pron. A container 17 retains the plate 16 when the vacuum is released. Reestablishing the vacuum holds the bottom 18 of the probe 14 in the position that was established by the insertion of the part 12 into the pron. Since the bottom 18 of the probe 14 is held to the top part by a vacuum, there are an infinite number of positions to which it can be moved. The spring-loaded vacuum sleeve 22 on the probe is lowered for chips and pushe...