Electronics Forum | Thu Jun 30 12:21:33 EDT 2022 | kumarb
Thanks. Yes, we have attempted to use standard ROHS profiles in the past and turned our THT connectors into 'chucky dolls' after the PCBA left the oven. We then realized that we need the high temp nylon connectors to allow for the use inside the SMT
Electronics Forum | Tue Jun 14 08:46:54 EDT 2011 | mbnetto
Hi Everybody, In our process we use syring flux for repair the boards, both SMT and PTH. I would like to know with your experiences what kind of flux is better for SMT and PTH repair, PEN or Syring flux??
Electronics Forum | Wed Dec 01 13:19:52 EST 1999 | Wolfgang Busko
Hi Dick, first of all I will not judge what�s the best in your case for I don�t know all details of your situation. Just my opinion: As a matter of fact the amount of THT is rapidly decreasing compared to SMT. So, to stay in assembly business it vita
Electronics Forum | Wed Feb 12 13:37:22 EST 2003 | dwanzek
I need some input on what good solder thieves dimensions should be. I am limited to solving my bridging problem with solder thieves; all process/wave variables have been adjusted to try to solve this problem. There are several of these connectors on
Electronics Forum | Thu Feb 13 10:15:09 EST 2003 | dwanzek
Bridges are front to back. To me this seems to indicate thieves would pull the solder away from the pins. I feel I am correct in that theory. Yes, it would be a good idea for us to bring in a consultant but I have the opportunity right now to make b
Electronics Forum | Tue Jul 29 12:51:40 EDT 2008 | grics
I am having some problems with some of my pcbs at ive solder. We are using an ersa versaflow. It has an automated spot/spray fluxer (Interflux Pacific 2009M) , 1 preheat stage, a leaded pot/nozzel, and finally a lead-free pot/nozzel. Nozzels move, b
Electronics Forum | Wed Jul 08 09:05:09 EDT 1998 | Jon Medernach
Going to SMT from THT you will find a tremendous difference in machine reliability. All the chip shooters are 99.9+%. Fuji has the largest market share in the US so you will hear alot about Fuji. In the Far East the Create chipshooter by Panasonic
Electronics Forum | Tue Mar 28 11:17:19 EST 2006 | smartasp
Thanks for the input Guys Yeah the not so knowledgable customer does not like to residues for cosmetic resons. The flux is for lead free process, of the no clean and water soluable type. We have explained to him that technically the residues do not
Electronics Forum | Mon Dec 20 07:59:04 EST 1999 | Wolfgang Busko
Hi Mike, many questions and there is no simple answer. How did you manufacture your add-on-boards ? Do you think you can handle the processes that go along with assembling SMT- and THT-Boards ? Before you start determine what you gonna do: - How man
Electronics Forum | Fri Jan 10 00:52:46 EST 2014 | mmdashti
Dear Madam/Sir; 1)Unfortunately after some installations and commissioning SMT and THT machines from Beijing Torch (Termway) company in Iran , the quality and operation of these machines seems so so... bad in quality. Because we have some advertise
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