Electronics Forum: 0

Prep Machines

Electronics Forum | Fri Oct 23 09:48:40 EDT 2009 | allwave

Hi Guys, > > can anyone recommend a good and > reliable prep machine? that can also perform > trimming and forming for axial and radial > components. our plant is located in > philippines. > > thanks in advance kircchoffs. We use Hepco Mac

nickel corrosion

Electronics Forum | Thu Jul 15 06:27:50 EDT 2010 | xps

Hi after an enviromental test 85C/85RH, for 3 months (powered), of an electronic assembly with edge finger tabs ENIG finished (nickel 5micron, gold 0.02micron), the nickel disappears completely under the gold (due to corrosion, I think). Does anyone

QP 242

Electronics Forum | Tue Mar 29 04:15:01 EDT 2011 | ravo

Dear All, Thank you so much for your cooperation. Actually am in continous problems with my BGA and can not assemble it using my QP242 till now, I am using the following data : Vision no. : 1 Vision Type: 230 Height: 2.32 Body Size X: 27.00 +-0.


Electronics Forum | Wed Mar 18 22:52:15 EDT 2015 | mdang

What nozzle size do you use to place 01005 on Fuji CP8 machine? The smallest nozzle size on the CP8 is 0.4mm. Could we use this nozzle to place 01005 since the size of 01005 pacakge is 0.4mm x 0.2mm. Thank you for your help, -Michael

smt line - floor requirements

Electronics Forum | Thu Aug 27 09:58:45 EDT 2015 | fcmtechnician

Hi Take out the steel plate, is acting like a trampoline, oscillating with the machine movements! Is the machine leveled OK? The installation guys use 0.02/1000 Spirit Level ( leveler )? Let the machine on the concrete floor, try first on the top o

Temperature Profile for 0.2mm Thick ENIG Flex PCB

Electronics Forum | Fri Jan 31 10:04:14 EST 2020 | emeto

Jinesh, My initial suggestion is you have too much solder past. Please try to reflow a few of these parts without solder paste. Colse aperture, put some tacky flux on this part location and give it a try. I bet you will not see any voiding.

super fine pitch paste & dispensing questions

Electronics Forum | Mon Aug 16 13:38:35 EDT 2010 | rl

i would like to request some advice on manually dispensing paste for super fine pitch components. first some background. i am a small design house and specialize in sub-miniature prototypes for avionics. so far, i have mostly used stainless steel st

Replacing small SMD PMICs

Electronics Forum | Sun Feb 10 16:35:06 EST 2008 | neocera

Hi, I have a PCB with a blown PMIC (power management integrated circuit) multi voltage regulator IC. The PCB is rather rare and I need to replace the PMIC, its footprint is 7mm X 7mm with 12 solder points per side. Unfortunately I can only solder th

"Gap" in completed solder joint between lead and pad

Electronics Forum | Tue Nov 28 15:10:50 EST 2006 | M. Sanders

Unfortunately, I don't have a copy of IPC-A-610 D on hand, however, I believe in IPC-610, this �floating height� between lead and pad has no maximum specification restriction. As long as there is no voiding, it is still acceptable for all 3 classes.

CP642 Ballscrew Replacement

Electronics Forum | Thu Jun 25 07:54:02 EDT 2009 | brucow

Hi and thank you for your replies, I feel a lot more confident about tackling the job with your instructions, many thanks. We haven't seen any accuracy issues, and the ballscrew has been making the same banging/knocking noise when changing direction

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