Electronics Forum | Wed Nov 09 04:16:14 EST 2016 | lachrymal
Hi MPMENG, Thanks for you reply. I must say I am printing onto wafers& I'm still somewhat new to the process but much of the theory is the same as for PCB. I trialled it in the mean time and I did find that printing into the long side of the pad wa
Electronics Forum | Thu Jan 26 13:13:14 EST 2017 | dyoungquist
What type of solder are you using, Lead or Lead-Free? What is the melting point of it? What temperature are you setting your solder bath to? Possible solutions: 1) Give your solder bath a little more time to even out the temperature across the en
Electronics Forum | Wed Feb 01 02:30:12 EST 2017 | rob
Usually it's the motor start caps blowing on the motors - take one off a failed motor and check the type strapped to the side - our older ones use these: http://hk.element14.com/genteq/27l571/capacitor-polypropylene-pp-film/dp/1735893?ost=27L571&se
Electronics Forum | Tue Apr 25 09:16:36 EDT 2017 | ttheis
We built a line consisting of: BBL--PRINTER--CONV--PNP--CONV--PNP--CONV--OVEN Conveyor between each machine allows quick visual inspection or if a pnp is down for maintenance (or not needed) we can manually move boards around the down machine easil
Electronics Forum | Fri Apr 28 10:50:26 EDT 2017 | emeto
Hello experts, Here is my problem: I have a board that has smt parts on one side and TH parts on the other. We designed special pallet for wave, but the pallet itself is 15mm thick, so we are still seeing some defects. Have any of you tried to find
Electronics Forum | Tue Aug 01 18:28:47 EDT 2017 | zsoden
Thanks for the suggestions. 1. By this are you referring to the flux specifications or the actual profile of the machine? 2. Yes, the entire machine, the solder pot and the wave nozzles have all been levelled. The better joints on one side are perp
Electronics Forum | Wed Jun 14 03:21:29 EDT 2017 | bukas
hello everyone, I got a Heller reflow oven that operates at 3x240V and a delta-delta transformer since my grid is 3x380V. the problem I have right now is that there is no neutral line at delta-delta transformer, also there is no neutral line at oven
Electronics Forum | Wed Nov 22 00:44:13 EST 2017 | wellpcb
Hello there, Do not know if you have already chosen the supplier to start your order. This is wellpcb, which have two modern PCB factories. WellPCB specializes in online prototyping and assembly. WELLPCB is capable of producing 100,000 square feet o
Electronics Forum | Fri Jul 07 10:55:36 EDT 2017 | capse
I have worked with a few of my customers to rework heavy LEDs. One technique that has worked; use a large flat soldering tip, apply the tip to the back side of the PCB directly under the LED. I have seen the soldering iron handle mounted in a table v
Electronics Forum | Mon Jul 31 14:28:58 EDT 2017 | ks0707
Hi Evtimov and Phil, May I ask you how programming is accomplished at your side ? Do you have specific programmers dedicated to each P&P, AOI, Flying Probe, and Conformal coating machines ? Or one programmer handles programming for all machines per