Electronics Forum | Tue Mar 22 11:57:07 EDT 2011 | jercole
Make sure the paper is advancing correctly on > your stencil wiper. I have seen this cause major > issues. If the paper hangs up, it will smear > paste across the bottom of the stencil every time > it wipes. We are manually cleaning the stenci
Electronics Forum | Fri Apr 01 14:51:23 EDT 2011 | jaimebc
We are currently experiencing a high rate of false calls on our 0402 chips. Resistors for the most part. Has anybody out there found a setting where this false calls are minimized? We are using top red light, pattern inspection,color inspection ( wh
Electronics Forum | Wed Jun 08 08:33:56 EDT 2011 | fredc
Unless you have a feeder with unusual vibration that is generated during the advance it seems that the issue is packaging. Try another feeder that has been tuned up and properly lubed. Most high speed turret machines move the feeders back and forth a
Electronics Forum | Thu Jun 09 02:25:51 EDT 2011 | aungthura
Hi Fred Thanks for your advice. That can cause bcoz may be Machine Vibration also. I did not check whether the parts were already upside down before advance.I'll do it in next run. We found that other diodes,see atached pic, were no troble duri
Electronics Forum | Mon Jun 13 09:25:58 EDT 2011 | milroy
Hi I have seen some of our multilayer PCBs are having delamination issues even after baking them in the ovens. Does anybody faced this issue before? The problem occured after reflow process and wave solder process as well. The temp profiles are well
Electronics Forum | Wed Jul 06 09:27:49 EDT 2011 | rdouglass
Has anyone come across any good visuals for the solderability requirements for component leads with toe-down configuration? IPC-A-610 does not have any visual aids for this category and our inspectors are having a difficult time assessing based sole
Electronics Forum | Mon Jul 11 21:46:19 EDT 2011 | garym4569
Anyone know how to enable pick tracking for the Juki 730 and 760. Our Juki 750's and 2060 allow me to press the camera button during a production stop to manually check pick position with the camera if the machine stops for no component, laser recon
Electronics Forum | Thu Sep 01 02:51:31 EDT 2011 | zedor
HI, We currently have two SMT lines, one running leaded products and the other lead-free. There is a recommendation to combine the two to increase the line capacity. What do you think are the pros and cons, is there a risk in contamination ot the
Electronics Forum | Mon Sep 19 23:45:07 EDT 2011 | haiae
I just bought one used Contact 3AV machine and going to calibrate the machine. I just found a problem that I have no tool tips to do follows they instruction. Does anyone who can tell me how to solve this problem. Await for any comment. Thanks in adv
Electronics Forum | Sat Oct 08 23:17:14 EDT 2011 | peteralmendrala
Im a technician in smt specializing fuji cp6 series and juki 750 and 730. Know i wil be living my job and will move to other company specializing yamaha yv100. can somebody lend me a calibration and programming manual of this machine? Thanks in adva
