01005 Passive Component ReworkAuthor: Ronald Wachter
Company: Air-Vac Engineering Co., Inc.
Date Published: 10/13/2013 Conference: SMTA International
In general, equipment for initial manufacturing of assemblies, including 01005, benefits from multiple, highly dedicated equipment, such as, printers, pick and place, ovens, etc., along with extensive research on the various processes required. This can be confirmed by the number of papers available on stenciling, solder paste selection, pad design, etc., related to 01005 assembly. Each piece of equipment usually has the best features for each specific task, the best product development engineering staff, and the best operators. Extensive process development and research at every level is expected for maximum product output and quality. Rework operators are given the challenge to duplicate that production line on one piece of equipment, particularly in regards to quality, sometimes with unknown thermal or process issues for a board which may unique properties.
The paradox of why the need for expensive equipment to replace an inexpensive, small device with such infrequent rework demand haunts the purchase justification of rework equipment for this device. Obviously, throwing a board away is not an option. The cost of the system must provide a method which results in a rate of return that surpasses the board(s) value. To meet this stipulation it is not only important to focus on the 01005 component, but it is equally important that the machine can accommodate rework of a variety of components both small and large component assembled concurrently with 01005’s on the board. This paper will touch on 01005 rework methods from manual to fully automated and outline a semi-automated approach to reworking using currently commercially available hot gas rework systems as the best way to approach this challenge while still meeting equipment and labor costs justification criteria.
01005 rework, hot gas, conduction pad cleaning, solder paste stamping
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