Electronics Forum: after (Page 401 of 656)

Solder mask discoloration

Electronics Forum | Wed Aug 17 13:57:27 EDT 2005 | ppwlee

We have encountered what appears to be mask discoloration after wave soldering. The areas of concern coincide with the areas that were exposed selectively by fixtures during wave soldering, dominated by one date code of PCB with a slightly different

Servo alarm X2-axis (FIP-3)

Electronics Forum | Tue Oct 11 19:17:29 EDT 2005 | Dave

Hi Stephen! The nozzle change happens at a much slower speed to what it runs at during pick and place. They are a great machine...when everything works on them ;-) I tried sending through the proper data again and rebooted the machine. A interest

Batch Ovens

Electronics Forum | Tue Nov 08 22:17:57 EST 2005 | grantp

Hi, I would be interested in the data, and I after our experience with batch convection I am quite skeptical. I would be very interested in temperature plots. What I would like to see before I ever considered a batch convection oven is how the oven

MY12 tpsys shutdown

Electronics Forum | Wed Nov 09 10:34:52 EST 2005 | DannyJ

Ken, We have that same version of software and have never had this issue be a real problem. I can say that we have had the machine hang on shutdown after 8 hours of furious editing, but very few and far between. If you go to another virtual termi

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

How to disable feeder slots

Electronics Forum | Fri Dec 09 17:57:16 EST 2005 | mika

cameras > P2P (Part to Pad looking camera or upper looking camera) > front or rear >> select the corresponding camera that You have installed. After that: just save and follow the instructions on the screeen. By the way, an important thing is: You M

BGA Reballing

Electronics Forum | Wed Dec 07 16:01:45 EST 2005 | JP

I am attempting to reball some PBGA's with no luck. The problem is getting the solder spheres to sit in the stencil apertures and removing excess spheres. I apply light amount of flux to pads of a BGA, align a stencil over a BGA, then pour solder s

PVA Conformal Coating Machine

Electronics Forum | Thu Dec 22 10:51:12 EST 2005 | killer1994

Yes, I have been using it for 4 years now. We have the 4 axis, 3 head, 2 lines. Inspection station and ir oven. I have to say you will NOT get better support anywhere in this industry than from PVA. Their crew is top notch, always going above and bey

X7R woes

Electronics Forum | Tue Jan 03 17:14:37 EST 2006 | mariss

To recap: 1) The machines use laser centering, not mech jaw centering. 2) The X7Rs are scattered on the board, center and edges. Improper de-panelization would favor damaging the parts near the edges of the board; this is not the case. 3) Both ROH

CP6 Maintenance

Electronics Forum | Wed Jan 18 21:30:38 EST 2006 | daxman

Hello everyone! I'm new to this forum. I just got back into an SMT career after a 4 year break, and it feels good to be back. Anyways, I'm doing some maintenance work with a Fuji CP-645. It has a few problems that I am currently unable to isolate, a


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