Electronics Forum | Mon Mar 18 09:19:48 EDT 2013 | marcelorotofrance
I can move the axes XYUV just in short steps through the "MANUAL NC" function. The axis encoders seem to work; the readings of position follow the axis movements. However the actual position of the head has nothing to do with the readings at the disp
Electronics Forum | Thu Mar 14 10:49:44 EDT 2013 | babe7362000
Have others seen a higher rate of machine downtime due to the cover tape on parts not pulling back properly. We have the same problem on the Jukis and Quads. About every 3 minutes the machine stops and the operator has to pull the tape back. And in
Electronics Forum | Thu Mar 14 17:35:39 EDT 2013 | dontfeedphils
Have you looked at the cover tape wheel on these different feeders and made sure that they are turning correctly when the feeder is advanced? There's not too many things that could be wrong, either the wheel isn't turning properly and keeping the co
Electronics Forum | Fri Mar 15 08:20:06 EDT 2013 | torch
we quite often see this on our quads usually only on the 8mm feeders, sometimes the tape roller can become sticky as suggested. usually i just remove the roller and apply a grease to the screw so that it can move freely also make sure that the peel
Electronics Forum | Thu Mar 21 22:27:13 EDT 2013 | padawanlinuxero
Hi ! I have the same problem with some rolls of tape, we did check the feeder magazines in our mydata machines but turns out the problem is with the plastic cover sometime it comes with just too much adhesive that the feeder magazine cant peel the p
Electronics Forum | Thu Mar 14 15:11:33 EDT 2013 | Andy
I am interested in performing SMT Assembly on flex boards that would be a couple of inches wide but 2 to 5 feet long. Obviously quite a challenge. I would like to hear from anyone that may have seen anything similar done, or at least has an idea of h
Electronics Forum | Wed Mar 20 16:21:54 EDT 2013 | woodsmt
I would reccomend at least a 8 zone system when doing RoHs. Most of the better systems (Vitronics, heller, BTU, ETC) built since 2006 should be able to run the higher temps for Pb Free. Should be a lot of them on the market world wide (used) with l
Electronics Forum | Fri Mar 22 04:20:29 EDT 2013 | jlawson
Also Rehm Thermal Systems Ovens would be worth a look... They are well made, ALL stainless tunnel , 3 phase blowers, highly realiable, and they have new entry level series called VXC Series starting at 6 zones+, but based on same tech and build as t
Electronics Forum | Fri Mar 15 12:48:01 EDT 2013 | anvil1021
Hello All.....wondering if anyone out there has needed to isolate a QFN ground pad from the device and how you may have gone about it. We are thinking about using a micro drill to remove the pad, but if anyone out there has a better idea I would be v
Electronics Forum | Fri Mar 15 16:26:04 EDT 2013 | hegemon
Mask the pad on the PWB using liquid solder mask. Cure the mask and away you go. Use a mini stencil and a squeegee to maintain planarity and minimize issues at paste print. We have used this technique before. In other cases we have masked the bott
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