Electronics Forum | Tue May 15 17:24:52 EDT 2012 | jeremymek
Hi Before I say anything I ll qualify who I am. I work for a AOI/SPI manuafacturer Automatic printer is your best option for small runs. Print process is responsible for a vast number of solder defects and improving here is your best start. Have a
Electronics Forum | Tue Jun 05 15:35:56 EDT 2012 | swag
I know this has been kicked around a lot but I'm asking for fresh opinions. We are close to buying new printers. One options we're considering from MpM is the auto pin placement for board support pins. 80% of what we currently run requires tooling
Electronics Forum | Wed Jul 04 16:40:56 EDT 2012 | comatose
We use a lot of single row breakaway pin headers. Right now we order then as sticks of 36 and I just have a tech break them into whatever lengths we need (3 pin, 5 pin, 8 pin, whatever.) I'm trying to streamline our auxillary processes. I know you ca
Electronics Forum | Fri Aug 17 17:23:21 EDT 2012 | processman
Hi, Looking for some experience from others regarding frequency of repair, maintenance etc on UIC Lightning Head spindles. We have a genesis machine for the last year and we are continually removing and repairing spindles due to the Vaccuum or b
Electronics Forum | Wed Mar 13 09:11:48 EDT 2013 | smt_guy
Hi All, Need your advice / help. We have assembleon pick-and-place machines and we got some pick-up issues on certain LED's that are Dome Type. The LED's get off from the tape pocket during feeding due to the dome of the LED sticks on the tape surfa
Electronics Forum | Wed Jul 03 07:56:37 EDT 2013 | jlawson
Do you have JUKI 730EPU or 740EPU offline software ? Juki files are binary format , makes hard for any thirdparty cad conversion tools. JUKI HLC can handle these machines but I suspect not supported anymore for your age of machines NO third party s
Electronics Forum | Mon Sep 16 13:21:19 EDT 2013 | larrygroves
yes, in old age Z motors do fail on the machine. also, the spring I am talking about is in the rack assembly. there is a split gear which engages the motor gear and it has a spring which maintains constant engagement with the gear. it is small and
Electronics Forum | Thu Mar 27 18:07:02 EDT 2014 | hegemon
If you are 100% sure that the solder has reflowed (time and temp based), then just use an wood stick to wedge the part upwards. It just takes a little bit of "lift". I used a wooden Q-Tip end that I trimmed to a wedge using an exacto blade. Wait f
Electronics Forum | Thu May 08 19:52:40 EDT 2014 | hegemon
There are many different style LGA packages, but don't sweat it. Stick with the manufacturers recommendations for PWB pad geometry for a start. Voiding can be reduced by careful profiling, and also by pre-tinning the devices. QFN style packages can b
Electronics Forum | Mon May 12 12:58:07 EDT 2014 | emeto
Hello all, I have a diode(gold plated)on some assemblies that gives me a a hard time. The paste is wetting too good and climbs the lead of the component and touches the body which is a defect. I just wonder what if there is a way to heat the board e
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