Electronics Forum: rework (Page 189 of 293)

Rework and repair system suggestions

Electronics Forum | Thu Jan 27 06:39:59 EST 2005 | reash

For now, on this first board, we will be reworking components such as 0805 and 1210 size caps and resistors, along with SOT-23 and SC-70 size packages. We might eventually get into BGAs. This board will most likely be a double-sided board, probably

Lead-Free SMD repair

Electronics Forum | Tue May 03 09:47:03 EDT 2005 | denismeloche

We sell rework stations for all kind of components and boards. The systems are designed to fit a particular size board and it's very difficult to design a one size fits all system. I personally have a lot of experience reworking high mass, high hea

Who should operate an AOI? operator or Inspector?

Electronics Forum | Thu Nov 17 13:35:36 EST 2005 | mnguyen

AOI should be operated by a machine operator. I could get a monkey to stand around pushing buttons. A machine operator job responsibilty is not to change feeders and push buttons. They have to monitor the process for missing parts, misaligned, and pa

Yield on 0402 SMT Printed Circuit Board Assemblies

Electronics Forum | Thu Jan 04 15:39:07 EST 2007 | dyoungquist

While the 85% yield on a per board basis seems low, we are actually running over 99% yield on a per solder joint basis as there are about 17,700 joints per panel. On average, 9 out of 63 boards in the panel need rework. Rework issues include missin

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

Basic BGA setup

Electronics Forum | Fri Nov 20 17:50:51 EST 2009 | bigalnz

Hi All, I do PC/Laptop repair and are finding some jobs I cant do because they need a BGA rework. I dont admit to being a pro with respect to BGA, and thus a purchase decision is hard.I have been looking at : http://zhuomao.en.alibaba.com/product/

Infrared Soldering Station

Electronics Forum | Mon Sep 27 15:57:21 EDT 2010 | mikesewell

I've owned two PDR Lightmaster IR rework stations (bought at 2 diff. companies) and have been extremely happy with them. Closed loop,separate control of top and bottom heater via non contact thermocouples. Control the process, not the product - set

BGA Corner

Electronics Forum | Wed Jun 15 13:40:49 EDT 2011 | hegemon

I have seen this before with larger PBGA components. When installed using a rework system, I would advise Convective rather thn IR. In my experience having high power (not high temp) convection is the only way to deal with these problematic devices

Re: Rework

Electronics Forum | Fri Mar 10 15:47:35 EST 2000 | Casey Scheu

Russ, As I stated earlier 100% satisfaction guaranteed. I'd like to address a couple of your problems. 1. Lack of TC control. I don't really understand this issue. The system is a closed loop system w/ the TC located directly in the nozzle block.

Re: Rework

Electronics Forum | Fri Mar 10 15:47:35 EST 2000 | Casey Scheu

Russ, As I stated earlier 100% satisfaction guaranteed. I'd like to address a couple of your problems. 1. Lack of TC control. I don't really understand this issue. The system is a closed loop system w/ the TC located directly in the nozzle block.


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