Electronics Forum | Thu Mar 10 09:13:15 EST 2005 | davef
From http://www.IPC.org ... IPC-7351 - Generic Requirements for Surface Mount Land Pattern and Design Standard The successor to the IPC-SM-782A is here! The document covers land pattern design for all types of passive and active components, includ
Electronics Forum | Mon Mar 21 07:25:12 EST 2005 | cyber_wolf
We have lab sink in our SMT area that we use for washing off stencils and hand tools that are contaminated with solder paste. The sink has a float in it and when the water level reaches a certain point it pumps the main basin out through a filter th
Electronics Forum | Tue Mar 22 12:11:15 EST 2005 | jdengler
Bob, I don't have 300 stencils only about 83 so my way might not be practical for you. This is what I have done. 1. I have racks that hold 20 stencils, 10 top 10 bottom. 2. Number the racks and have them in order. 3. Made a number system for locati
Electronics Forum | Thu Apr 07 09:56:01 EDT 2005 | bystrom123
I am having a common problem, justifying capitol expenses. We are currently using 0402's and BGA's and CGA's with 1MM centers. Our current equipment is horrible, we have a hand operated screen printer machine (No vision system) and we are placing all
Electronics Forum | Fri Apr 15 14:06:24 EDT 2005 | saragorcos
Shean made some good points and offered some good starting resources. Adding to what he said, I would also mention that many times, even a no-clean flux can cause contamination that requires cleaning. Our lab has dealt with numerous cases of client
Electronics Forum | Sat Apr 30 10:37:25 EDT 2005 | Daniel
I think he did mentioned the board size in the inital thread: "265mm x 207mm pcb", but maybe it was not clear written. I have a question about rework and pre-heat: is it necessary to have the pre-heater to cover the whole board size, even if you onl
Electronics Forum | Tue May 17 03:48:51 EDT 2005 | Base
YV100, easy... YV112 uses a dual work-area, dual gantry machine in which the gantry does X and the PCB-table does Y movements. Also each gantry can only work on one PCB work-area and can pick form only one side of the machine. Basically you have two
Electronics Forum | Fri May 27 11:12:04 EDT 2005 | Ray
We have switched from Uniscam due to support issues and their ablity to come out with a new USABLE version. We have been running it for close to 2 years now and we have been extremely happy with its performance and their support. Version 6.0 which
Electronics Forum | Thu May 26 10:37:47 EDT 2005 | stepheniii
How are you counting parts back into stock? If it is an estimation then that could be your problem. One place I worked, the stockroom estimates were usually double what the lead hand would estimate. If you are using a counter then your rate is probab
Electronics Forum | Sun May 29 11:41:20 EDT 2005 | Stephen
Get'em on the floor. But invite themn nicely. Most people are interested in what people in the other parts of the company do. On the other hand if you say something like, you have to come and take a look so you numbskulls can know what you are doing
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