Electronics Forum | Thu Nov 11 19:07:39 EST 1999 | Gary Kemp
We are having a continuing problem with 0603 chip capacitors not centering themselves on the pads during the reflow process, causing an open condition at one end. Does anyone know what can be done to alleviate this? Thanks much. Gary
Electronics Forum | Thu Nov 11 19:23:33 EST 1999 | Dave F
Gary: Sounds like the spacing between each pad for the component are too far apart. My 2�. Dave F
Electronics Forum | Tue Jun 20 02:51:52 EDT 2000 | Leland Woodall
Gary, We've experienced the same problem in the past, and found that moving the stencil apertures closer together solved the dilemma. This was a much easier solution than having to redesign the PWB. Leland
Electronics Forum | Thu Mar 26 10:42:16 EDT 2015 | bobpan
Glad that I can help.... Bob
Electronics Forum | Mon Mar 16 06:12:32 EDT 2015 | bobpan
The first thing to do is to change the z-rod. Sometimes a very old z-rod spring will weaken causing it to reject many parts. If it only rejects parts after a nozzle change....you may need to put some super lube grease on the O-rings on the bottom of
Electronics Forum | Wed Mar 25 15:12:14 EDT 2015 | marcelorotofrance
Hi, Bob you're right. I replaced the Z-rod and the machine started to go alright. When I examined the head's mechanism I omitted to check the most exposed an delicate part... my bad. The old Z-rod came with the machine, and its slide movement was loc
Electronics Forum | Fri Mar 13 15:09:20 EDT 2015 | marcelorotofrance
Hello everybody Lately our machine has been working pretty well, but it can’t last too long. Now, during this week’s production cycle, it began to increase the component’s reject rate to alarming levels (obviously the operators reported me when the m
Electronics Forum | Mon May 16 20:04:33 EDT 2022 | rob1
Thanks for the reply.
Electronics Forum | Tue May 03 16:36:09 EDT 2022 | dwl
I don't know anything about DEKs so while you wait for a more informed response, here are a few brain droppings... Did something get knocked loose on the camera assembly? give everything a wiggle test and make sure it stays in place. Is the encoder
Electronics Forum | Mon May 02 21:26:23 EDT 2022 | rob1
I have a problem with DEK 265 Horizon. During camera being homed after checking the fiducials, the camera failed to home properly and crashed into the back of the machine in the Y direction. I homed the camera in the Y and it appeared OK and I could
