Electronics Forum: you (Page 3396 of 3791)

Connector is falling down in the second reflow

Electronics Forum | Wed Feb 12 02:38:02 EST 2020 | majdi4

Hi there , I agree with phil .. but we cannot change the architecture of the card to mount the connector on the 2nd side. Steve , we are producing large series, so we can't manually ship bond the connector .. for the moment, we cannot invest in a gl

Viscom s3088av AOI programming problem

Electronics Forum | Mon Feb 24 14:40:02 EST 2020 | tristanlund

Hello, we recently got an S3088AV viscom aoi. Following the instructions for programming with cad data I get to almost the very end and a command prompt shows up with this error that I have attached as a picture. I have redacted that customer board n

omit stencil apertures to hand solder or paste, reflow then solder.

Electronics Forum | Wed Feb 26 13:26:24 EST 2020 | rgduval

I'd agree with getting a stencil fully cut, and taping the pads you don't want paste on. But, I'd also check with the people that will be doing the hand soldering to see what they prefer. Some people prefer soldering on bare pads, some prefer solde

omit stencil apertures to hand solder or paste, reflow then solder.

Electronics Forum | Thu Feb 27 08:59:15 EST 2020 | spoiltforchoice

In both cases, it will depend on storage conditions, unless you do something horrible to them (or as previously mentioned, wash them) months & months. For boards we put through SMT and then stash for THT loading in smaller qty's I don't think we've e

Why gold plating on PCB?

Electronics Forum | Fri Feb 28 01:36:43 EST 2020 | crystal12

&gt; What is the use of gold plated boards? <BR> <BR> With the increasing integration of IC, the more IC the more dense. The vertical tin spray process is difficult to flatten the pads, which brings difficulty to the SMT mounting, and

Solder pot &amp;amp;amp;amp;amp; wire tinning help

Electronics Forum | Fri Feb 28 17:41:49 EST 2020 | slthomas

I have never added anything but bar solder to a solder pot so I have no experience with adding flux cored wire, but I have to imagine that it would smoke like crazy and gum up the sides of your crucible before you ever touched a wire to it. We use

Samsung/Hanwha Maintenance - Which Grease?

Electronics Forum | Thu Mar 05 19:44:08 EST 2020 | portersmt

Hello, Was hoping to hear from fellow users of the Samsung/Hanwha SM4xx series. We currently have an SM482 and we were hoping to do some much need maintenance on it. Specifically, we are wanting to clean and grease the X & Y LM rails and Ball Screw

Does any factory can produce 4 layers blind board with 3 OZ inner and outter layer copper

Electronics Forum | Thu Jun 11 02:32:54 EDT 2020 | beanzheng0

Hi, Luciano This is James from http://www.nextpcb.com We can do your order we have 2 manufacturers over 2500000sq. The 4 layer PCB boards on sale now. Please send your inquiry to support@nextpcb.com Or you can contact me on WhatsApp:+8613243830029 S

Automated Programming Machine for SMD IC components

Electronics Forum | Tue Mar 10 20:43:22 EDT 2020 | victorzubashev

Hi all, I am evaluating the value of the purchase of a universal automated programming machine for SMD IC components(no operator to load/unload the component ). input: SMD reel, JEDEC tray, tubes output: JEDEC tray Required throughput: between 10,000

Circuit cam and mydata

Electronics Forum | Fri Apr 10 10:31:47 EDT 2020 | proceng1

Certain customers do give us CAD. USUALLY ODB++ but I've also gotten .ipc and .pcb . Many of our customers bought or inherited a design, and therefore have no control to generate additional files. Or, as you mentioned, they had another manufacture


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