Electronics Forum | Fri Apr 30 07:39:54 EDT 2010 | jdengler
We do a similar part on a Fuji IP3. Set table speed to low. I do not know the QP, but if it's similar to the IP make sure the board clamp/unclamp is smooth. On our IP it got dirty and was jerking causing the board to jump a little which bounced ou
Electronics Forum | Tue May 25 12:43:00 EDT 2010 | jmedernach
I don't have experience with 1B73. I do have a ton of experience with CE-1155. There are a couple of gotchas with this material. First and foremost is that it HATES silicone residue. If the material is not sticking to parts and they aren't cerami
Electronics Forum | Thu May 27 19:00:37 EDT 2010 | emrtech
not just speed, looking to reduce down time on having to re-do boards from bad stencil screening. also, the accuracy of placing solder paste down on PCB's. why would you want an employee spending so much time aligning fiducial marks from panel to pan
Electronics Forum | Thu Jun 17 10:22:51 EDT 2010 | floydf
Last July I posted a query about reflowing leaded paste to gold plated boards, I wasn't getting a good reflow. The answer that seemed to work was dwelling the board at reflow for the maximum recommended amount of time. Would anyone have an opinion on
Electronics Forum | Fri Jul 09 19:20:49 EDT 2010 | rway
This table, is it in a database? And is it indicating the number of component, solder insp. etc based on one board or one panel? It needs to be based on the total number of inspection on your panelized pcb. The equation works, you may just be look
Electronics Forum | Thu Aug 12 11:00:42 EDT 2010 | hegemon
Without seeing a picture, my first instinct would be first and foremost some fixturing that provides full support for your print process. After that, since you are citing bow and twist, consider that the fixturing might as well travel through the ov
Electronics Forum | Wed Aug 11 19:06:16 EDT 2010 | 1036
We are small PCB assembly business and new. We built 100 boards for my customer recently and 1 of them failed to the function testing. We visually inspected the board several times and do not see any assembly problem. My customer asked us to trouble
Electronics Forum | Tue Sep 14 17:49:36 EDT 2010 | g2garyg2
The problem with the Sunsda units is that they use a special circuit board, not PLC and Chinese software for programming, so getting into the program to find out what is going on is a problem. Have you replaced the SMEMA cable? I have seen bad ones.
Electronics Forum | Wed Sep 15 12:22:51 EDT 2010 | remullis
Mike, Another thing to consider is the type of switching they may use. Older Asymtek masking machines used transitors to communicate upline and downline instead of dry contacts. The problem we had with this is dropping enough voltage across them to
Electronics Forum | Tue Sep 14 10:10:39 EDT 2010 | teamcanada
We are having an issue with a PCB supplier. Their Tin HASL layer seems to be the problem. We have triedworking with them to correct their process. What seems to have helped is lowering their temperature of the Tin dip from 540 F to 510 F.We still ha
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