Electronics Forum: fluxing smt tht (Page 7 of 52)

Re: How to solve the con. covered with flux

Electronics Forum | Sat Oct 09 03:45:34 EDT 1999 | Brian

| Right now,we have some problem on SMT. Cause of the flux residue | in the connector. Do somebody have the same symptom? By the way, | can i find something to make the flux observe easy or take a photo with the flux. | | | Unfortunately, this pr

Rework using flux pens

Electronics Forum | Tue Jan 08 11:28:30 EST 2002 | mregalia

We use NC flux exclusively for SMT and wave soldering. And it is a fairly old formula from Multicore, though we are currently qualifying a new formula. The automated soldering does not appear to be a problem. It is only the hand soldering that causes

Connector solder thieves - through hole

Electronics Forum | Wed Feb 12 12:06:58 EST 2003 | dwanzek

I need some input on what good solder thieves dimensions should be. I am limited to solving my bridging problem with solder thieves; all process/wave variables have been adjusted to try to solve this problem. There are several of these connectors on

Low Melt Solder Chemistry for use in Rework Process

Electronics Forum | Wed Feb 07 13:44:09 EST 2007 | dsoohoo

After some precursory experimentation, I am planing on employing a form of low melting temp solder for use in reworking some very dense, copper core PCB's, both SMT and THT, which were originally mounted with 63/37 solder. The main problem with the

how to protect pads while applying solvent green mask? cure?

Electronics Forum | Wed Jun 18 07:49:06 EDT 2008 | more_sunshine

hi i'm not experienced in creating pcbs but i have good background, and i have a bunch of questions. i have no access to world wide known pcb chemicals but i managed to get a cramolin positiv spray and i don't know if it is still usable or not? (di

Box Build/ Wiring/ Terminal Blocks Assembly Drawings???

Electronics Forum | Sat Jul 19 12:07:46 EDT 2008 | operator

I have alot of experience creating assembly drawings for SMT and THT products. However, we are now doing very large ,complicated box builds that have many terminal blocks, point to point and cable harnesses. It is my job to create these assembly doc

Entry-Level PnP + BGA?

Electronics Forum | Fri May 04 11:42:48 EDT 2012 | scottjwarren

Greetings! I run a small CM company in the Midwest. We built our business on THT production for the boutique music products industry and are currently planning our launch of a low-volume/high-mix SMT line to support the growth of our business. Our

Poka yoka tool for assembly of chip capacitors and resistros

Electronics Forum | Mon Sep 08 11:38:52 EDT 2014 | spoiltforchoice

They key requirement before any fancy tools is careful storage, stock control, labeling and handling. If your parts are incorrect before they even get to production, you're screwed. As gregp suggests, to get consistently correct value and orientation

Pin in paste connectors and lead-free questions

Electronics Forum | Mon Jul 22 09:53:13 EDT 2019 | kylehunter

Hey all! As background, I recently purchased a full SMT line for my company. We have a DEK 265, an assembleon opal xii, and a Heller 1500. Currently our jobs are leaded, and the heller is working perfectly. An upcoming job that we are potentially g

IPC-J-STD vs IPC-A-610

Electronics Forum | Fri Jun 02 23:53:16 EDT 2023 | calebcsmt

In both IPC standards, it is referenced: "When 'X' standard is cited or required by contract, the requirements of 'X OTHER' do not apply unless separately or specifically required." I've always understood J-STD to be the act of assembling, where A-6


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