Electronics Forum | Wed Nov 07 12:14:37 EST 2007 | jaimebc
Mydata users, is there a way to use Microsoft Excel to create pick and place programs? I have my centroid data with the following: 1st column: Reference designator 2nd column: part number 3rd colum: x 4th column:Y 5th column: theta Now,using Excel
Electronics Forum | Wed Nov 07 13:13:50 EST 2007 | dyoungquist
MyData has a spreadsheet macro that converts an Excel spreadsheet into the format that the machine can read. First you make up an Excel spreadsheat with the data in this column order: X center, Y center, Rotation (theta), Part number, Reference desig
Electronics Forum | Wed Nov 07 13:00:41 EST 2007 | jdumont
Hello all, we are having issues with some specific package type aluminum caps we use while running lead free. We used to run these leaded with none of these issues. Basically we are not getting more than 25% hole fill on these parts. I have tested di
Electronics Forum | Wed Nov 07 13:36:20 EST 2007 | jdumont
Hello all, we are having issues with some specific package type aluminum caps we use while running lead free. We used to run these leaded with none of these issues. Basically we are not getting more than 25% hole fill on these parts. I have tested di
Electronics Forum | Mon Nov 19 13:13:51 EST 2007 | hegemon
We have found differing results based on the pattern used when reducing to total % of solder paste on the center pad. We arrived at 68% coverage on the center pad, and 1:1 for the perimeter pads. To get the 68% coverage we used a number of differen
Electronics Forum | Mon Nov 19 21:42:51 EST 2007 | jwsmt
I'll e-mail pics to you. Answers to asumptions: * Flex in end-item use was measured at 410 microstrain * Supplier PPM last 12 mos less than 1 * Part goes through 2 reflow cycles; once on top and once on bottom * ICT microstrain was 1365; reduced to
Electronics Forum | Wed Nov 28 17:02:28 EST 2007 | joeherz
We use TraCon's TraBond 2112 for staking applications where larger gaps are involved. It is formulated for PCB staking applications. The material is very low sag and high viscosity. It's 2part and comes in handy bi-paks. Work life is 20-30min.
Electronics Forum | Wed Nov 28 16:15:17 EST 2007 | jmelson
One more concern is "consumables" like nozzles, chuck jaws, etc. On some machines these parts wear rapidly and need frequent replacement, or are very easily damaged and need replacement after even the most minor crashes like a dropped component layi
Electronics Forum | Mon Nov 26 10:35:58 EST 2007 | slthomas
We've been using fids as badmarks on panelized boards, with reverse recognition so that an uncovered fiducial is a good mark. It's worked fine with 1.5mm fiducials but now we've run into problems with a board with 1mm fids and we can NOT get it to wo
Electronics Forum | Sat Dec 01 12:05:52 EST 2007 | slthomas
"...but does the Quad have any sensing of what is going on in the feeder?" Not with the feeders we use. Same deal as the Topaz, i.e., the machine knows if the nozzle has a part on it, but doesn't know what is happening in the feeder. There are "smar
