Hello Phil, We did use an Oracle relational database with an Access front end to input and query data from the system for reports. We did not perform SPC with the Oracle dB. As the whole data collection process was completely customized, we hadn't implemented automated SPC before they shut the facility down. What we did do though was track daily defects and assign risk priority numbers to large hitters so we could prioritize our efforts and make the resolution and closing procedure more effective. Unfortunately, I do not have any of the specific material that could further assist you in setup, but will investigate a little further because this level of control could be very beneficial to everyone in the industry. With regard to test machines within SMT, not sure what you mean here...? a proto line so to speak for product and process validation before mainstream manufacturing...? If that is what you mean, my comments are proactive for it. You might as well debug the product and process before getting online and causing expensive downtime. This effort requires involvement from designers, material planning, customers for pre-production cost centers, and a host of others. Not even sure if this answer was what you were looking for with test machines...? When you look at integrating AOI in manufacturing with cost versus benefit, the best place to use AOI systems is after reflow, it captures the entire line of defects from each process step. Now if your budget allows multiple AOI purchases, which I highly doubt, ideally you'd want one after each process step, but that's just not realistic. Let me know if you require additional assistance. Thanks!
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