Electronics Forum | Mon Aug 30 08:38:46 EDT 2010 | rgduval
We appreciate your desire to find the most time effective method of reworking these boards. However, we believe that your most efficient method will be to have one assembler remove all of the parts, and a second assembler place/hand solder the parts
Electronics Forum | Mon Aug 30 11:09:13 EDT 2010 | davef
Lots of small parts, lots of hand soldering, lots of tired eyes inspecting on lots of boards: yields lots of room for error. How about this: * Part removal ** Cut each resistor between the pads using dykes ** Using a soldering iron [or hot air pen],
Electronics Forum | Tue Sep 07 22:38:25 EDT 2010 | aqueous
As with so many things, some brands work very well on high density, low profile assemblies and some do not. Because my company manufactures these machines, I don't want to use this forum as an advertisement so I will recommend the following: 1. Sen
Electronics Forum | Wed Sep 01 06:38:37 EDT 2010 | grahamcooper22
Dear Leeg, Generally the faster your print speed the more down pressure you need on the blade to roll the paste and wipe the stencil surface clean. Pastes with higher viscosity need more pressure at slow and high print speeds. Too much pressure cause
Electronics Forum | Thu Sep 02 20:41:03 EDT 2010 | mmccance
SME, Thanks for your response, but I have already checked out 1 & 2 on the downstream conveyor, and they are sending the machine ready signal. I know that the loader is recieving it because when the downstream conveyor is not busy the loader attemp
Electronics Forum | Thu Sep 02 10:50:21 EDT 2010 | eezday
I'm bringing a GSM-1 machine at a university back to operational condition. I have a project created and I'm experiencing that when it's loaded the PWC goes to a location that is about two inches too narrow. When the PWC is manually told to go to a
Electronics Forum | Tue Sep 14 17:15:30 EDT 2010 | daxman
Hi Steve, I don't have any experience with CP2's. Sorry .. hazarding a guess though... if they use the analog servo amps like they do in the CP4's, they had a bunch of trimmer pots on them. There is a procedure to zero them using the mecca check mod
Electronics Forum | Sun Sep 12 17:56:19 EDT 2010 | terrybaker001
Hello to all interested parties, I am a doctoral candidate looking for participants in a survey about supply chain efficiency based on communication. Particularly I am interested in people in the PCBA (Printed Circuit Board assembly) industry in manu
Electronics Forum | Tue Sep 14 14:07:45 EDT 2010 | grahamcooper22
Hi Gani, HASL is normally very good for solderability providing there is a good consistent coating of HASL on the pcb pad. But it is not unusual to have a very thin coating of HASL on the pad and this is poor for solderability. You then have tin/copp
Electronics Forum | Fri Sep 17 03:13:00 EDT 2010 | grahamcooper22
In HASL pcb coating you need to fully coat the pads with solder and then blow off any excess solder to leave a nice coating on each pad. Generally pcb manufacturers try to give you a flat pcb pad to make your solder paste printing more consistent. To
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