Electronics Forum: ftip and database (Page 1 of 3)

Cp and Cpk values

Electronics Forum | Tue Mar 04 15:46:00 EST 2003 | EW

I'm not sure to what degree you are manually crunching this data.....If you can set up the data manually, or parse the data from a recording function, to allow it to import into a database with a formula for Cpk, and everything else you could ever in

AOI, Quality and SPC

Electronics Forum | Mon Mar 03 13:18:02 EST 2003 | msivigny

Hello phil, The use of AOI systems give us the opportunity to auto-collect defect information much the way you're using them now. AOI systems become extremely effective when the collected data is used to perform some positive change into the process.

AOI, Quality and SPC

Electronics Forum | Tue Mar 04 16:50:56 EST 2003 | msivigny

Hello Rohan, this is starting to date nearly 6 years ago but I will remember everything I can, we used a custom interface to input data and everything was stored in a very large database on a specific server only for quality data, I think we used Ora

AOI, Quality and SPC

Electronics Forum | Wed Mar 05 12:23:31 EST 2003 | msivigny

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 im

Circuit cam and mydata

Electronics Forum | Thu Apr 09 20:18:31 EDT 2020 | jlawson

Can not speak for CircuitCam is made by Aegis Software I veliveve sound like need to get understanding of how tool is supposed to work to extract-create centroid positions. Using Gerber Only is a pattern match and cacluate logic process - ie make pac

Component Database and Placement List

Electronics Forum | Mon Oct 23 02:37:02 EDT 2017 | directx995

Hello, I'm looking for a friendly suggestions or best practices for creating Component Database. For example how do you discern different types of SOIC8, with different body size and pitch between leads? How do you categorize and name components? An

Bow and twist of PCB's

Electronics Forum | Fri Apr 20 13:55:09 EDT 2001 | kawiederhold

Hey Dougie, If you go to IPC.ORG and click on the on-line resources and databases, then on the "free downloads" link, the second or third document "for free" is the IPC-TM-650 in its entirety. It does discuss the test you are looking for! Have fun

Component Database and Placement List

Electronics Forum | Mon Oct 23 07:10:14 EDT 2017 | emeto

For packages, you use packages names.There is only one SOIC8. The other 8-lead devices are there and it is your job to learn their names. For components descision should be made based you your whole(part number)system.

BGA and QFP orientation in trays for pick and place

Electronics Forum | Fri Jan 16 07:48:29 EST 2004 | Mika

We usually program the components in the component database with pin 1 in the lower left corner. Then in the feeder database we set the component orientaion to 270 deg for Tray feeders(turn the tray in the feeder 180 deg) and "tube" feeders. For tape

CIM systems and Final Assembly

Electronics Forum | Tue Jan 23 11:55:27 EST 2001 | aiscorp

I gather from your question that you might have experienced large scale system implementation problems in the past, or at least fear experiencing it in the future. This is a very valid concern based on the performance of traditional CIM systems. Fo

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