Electronics Forum | Sat Oct 08 11:57:58 EDT 2016 | davef
A friend in the contract coating business said: "... ask why the wire is [teflon] coated in the first place, as only the solder joints should be coated in this situation as the flexing/bending of the wires will cause the coating to crack and flake of
Electronics Forum | Wed Feb 23 10:01:00 EST 2005 | frankracine
Dave, Few questions concerning your Umiseal 1B73. To cure your Acrylic coating do you respect specification ( 2Hrs-170degree F) or you go faster than that? What do you use to cure it? Do you have to clean your nozzles each day or each monday beca
Electronics Forum | Mon Sep 27 20:00:24 EDT 2004 | davef
We agree with Hoss. Dipping is far more controllable and less expensive than spraying for the casual user. An alternative to consider contracting your coating requirements. Amoung the service providers are: * http://www.newenglandcoating.net * htt
Electronics Forum | Sat Apr 21 12:06:43 EDT 2007 | Cmiller
I coated three other bare boards on one side this morning from two different suppliers. Two of them had exceptional adhesion and one was so-so. I ran them through the reflow oven, coated them and got the same results on the other side, so it does not
Electronics Forum | Thu Sep 10 17:13:31 EDT 2015 | tombstonesmt
There are factors that manufacturers have taken into consideration when dealing with coating. On/off times, dispense speeds, heights, etc.. Dedicated software with tools to easily map out paths are a godsend. We made our own coating machine with a s
Electronics Forum | Mon Jan 26 20:17:01 EST 2004 | davef
Some temporary solder masks outgas ammonia as they cure. It's possible that the first side cured and out gassed through the grounding hole. But when the second side cured, it outgassed between the board and the coating and in so doing reacted with
Electronics Forum | Wed Feb 23 22:38:28 EST 2005 | davef
We: * Cure 1B73 according to spec in a heat box, like a Blue-M * Clean nozzles [one set in use, one set being cleaned] in thinner in a bronson ultrasonic cleaner * Haven't evaluated coatings in years, but would do it according to J-STD-001C, Reqmnts
Electronics Forum | Thu Aug 27 10:12:07 EDT 2015 | fcmtechnician
Hi buy a manufactured machine! is not hard to build one, but the know how after you build it is the key point for you! Are you able to build and control the applicator to coat your board? are also some Budget machine on this area, look for Dima, Ca
Electronics Forum | Wed May 16 08:48:14 EDT 2018 | charliedci
Looking for anyone that is familiar with Assymtek coating, 2004 model C-718, running on Windows NT. We experienced the blue screen of death (cannot find dll), had IT recover programming, install another hard drive in PC but now manual control of disp
Electronics Forum | Tue Oct 31 19:28:24 EDT 2023 | ttheis
We built our own coating system by mounting a Universal Robots UR5 to an edge conveyor between a magazine unloader and magazine loader. The robot has a needle dispenser on the head. We chose a needle dispense process to avoid aerosols and complex ven
