Electronics Forum | Mon Jun 20 09:12:55 EDT 2005 | davef
There's no easy answer. It depends on: * Thickness and size of the PCB in the array. * Means of separation. * Type of component. SMT components are more sensitive to the forces that need to be applied to separate the PCB. * Type SMT device. Ceram
Electronics Forum | Thu Apr 25 17:17:44 EDT 2019 | spitkis2
Years ago it was common to see 2-3mm keep out areas around BGAs. Now with boards being so densely populated there are no clearance minimums. Regardless if the machine is using convection or IR heating, parts can be reworked without affecting adjace
Electronics Forum | Fri Mar 22 10:56:41 EST 2002 | jax
Why are you unable to place this part with your Machine. Part to big? No pick up point( nozzle landing area )? No Feeder? Vision recognition? If we know why you can't place it, we might have a fix.
Electronics Forum | Fri Mar 22 13:16:04 EST 2002 | dougt
We place parts like this with a contact systems machine (3Z). The part comes on a reel and has a flat top on it (as mentioned above) that can be removed as soom as it comes out of the oven.
Electronics Forum | Mon Aug 23 14:27:18 EDT 2004 | russ
If you know the mfg. you can go to their website and they should have a list of coding that will show you the alphanumeric code scheme. The "striped part is definitely a tant 2.2 uF 16 V. The other if the coding is the same as the parts we use is a
Electronics Forum | Fri Jan 07 17:45:15 EST 2005 | russ
My thoughts on metal trays: One problem with a metal tray relating to ESD is its conductivity. Most trays are conductive but have resistance or a disipative nature. If you were to place a "charged" component into a metal tray that had an uncontrol
Electronics Forum | Wed May 05 06:08:22 EDT 2004 | dhanashekar
hi in which part of india are you we are in contract manfactures we can help you to begin we can have the faclity to give you the reqired quanity if you want any questions please email id skandaae@vsnl.net we ar e located in bangalore thanks dhan
Electronics Forum | Mon Jan 03 14:14:18 EST 2005 | dggjr
www.topline.tv has inch/metric parts too. 0201's being 0603's took some getting used to.
Electronics Forum | Tue Jan 04 08:42:26 EST 2005 | scotceltic
Thanks Dave, The reason I want to make one in-house is cost. This is not a standard part and after contacting a couple of vendors ($1,000 plus for first tray) I decided it would be much cheaper to do it in house with our CNC.
Electronics Forum | Mon Mar 30 10:43:31 EDT 2015 | dazdoc1977
Cheers Rob, I thought that I wasn't far from the true answer....I figured that if we were to use a "first piece assembly " quote to get a first off through smt production, This would include start to finish process....e.g Programming to first board
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