Electronics Forum: smt placement (Page 71 of 90)

Re: Who makes low cost vision equipment...... and sells it at low price?

Electronics Forum | Wed Sep 30 16:36:59 EDT 1998 | Dana R Simon

I've been looking for a vision system which can check our fully mounted boards containing a mix of smt and thru hole. | | The concepts on all the machines are virtually the same, they got about 12-16 cameras, some pcb fixing and the rest is soft

Re: Selecting an SMT Line

Electronics Forum | Thu Sep 17 00:14:09 EDT 1998 | Kevin DeLillo

/= 1.67, the GSMs can handle the complete range of SMC components(0402-QFPs, BGAs, CSP, etc.)PLUS odd form components as well. And if that isn't enough, it can also dispense adhesive or solder paste. Universal's System Group can also put together a

Re: Tombstones

Electronics Forum | Fri Aug 07 10:14:43 EDT 1998 | RWW

| I'm currently running a double sided paste smt board loaded with 0603's, on the secondary side. Many of the 0603 devices tombstone during reflow if the parts are not perfectly centered on the pads. Is this caused by the .008 foil thickness? Has any

Re: Tombstones

Electronics Forum | Thu Aug 06 12:16:52 EDT 1998 | Rin

| I'm currently running a double sided paste smt board loaded with 0603's, on the secondary side. Many of the 0603 devices tombstone during reflow if the parts are not perfectly centered on the pads. Is this caused by the .008 foil thickness? Has any

Re: Siemens's users. What do you think ?

Electronics Forum | Mon Apr 20 16:18:49 EDT 1998 | JOHN STEWART

| I would like to know something about Siemens machines from users of Siplace or old machines. | Thanks ! I have used the Siemens MS-102 for the past 5 years. We have over 30,000,000 placements on the machine and we have approximately 3% down t

STATISTICAL PROCESS CONTROL. 6-SIGMA

Electronics Forum | Tue Jan 13 08:08:37 EST 1998 | Vanessa Munoz

I have recently been put in charge of our SMT line. We have to developed a SPC. My questions are: q1. What are the �most� important parameters to monitoring and which of the control charts do you usually use depending of the parameter..? Our line is

Product Changeover (SMT double sided)

Electronics Forum | Mon Oct 29 15:58:47 EST 2001 | davef

Kitting: Buy-in material in kit form that is complete and in the proper form. Line set-up: Layout all boards to be the same width. Printer set-up: Use a dispenser, instead of a printer. Dispenser set-up: Program & debug off-line. Placement machin

Mydata for prototyping?

Electronics Forum | Mon Jan 14 15:15:25 EST 2002 | burb1999

Currently our company is in the process of putting together a SMT prototype line... I have experience with fuji, universal, DEK, MPM, BTU, Electrovet in a high volume application. Now with prototype builds we have narrowed down a few and would like

SMT Line Test

Electronics Forum | Mon Jan 21 15:55:53 EST 2002 | Yannick

The point behind traces and vias on my test is that I don't only want to perform test on printing and placement but on reflow too, so a board with many components and no trace will not react like a board with traces on it. Unless you or someone else

In-Line Stencil Printers vs. Semi-Auto

Electronics Forum | Sun Feb 24 13:52:47 EST 2002 | bentzen

Hi Armin Printing equipment can be divided into two main groups; In-line and off-line. For "small" production sites an off-line screen printer should be adequate but for high out-put placement lines, where the product cycle-time is short, an in-line


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