Electronics Forum: electron (Page 6823 of 7892)

3 Zone Lead Free Ovens?

Electronics Forum | Tue Apr 05 09:27:49 EDT 2005 | russ

These sound like european machines, From what I can tell so far Lead Free capable ovens just mean that they have hotter heating elements, and blower fans that can take the additional heat supposedly. It does not appear to have anything to do with t

Handskin reaction!!----Please read!

Electronics Forum | Tue Apr 05 08:41:39 EDT 2005 | aj

Guys, I posted a thread on this sublect a while back and I thought we had it sorted but we have the same issue again. One of the SMT operators has chapped skin,sores which sometimes cause cuts. This looks extremely uncomfortable. We thought it was

Non-wetting: PTH on double-side reflow

Electronics Forum | Wed Apr 06 12:36:53 EDT 2005 | smt_rookie

I've tried a different lot of the same double header connector (yes its double level right angled header conector) twice but nothing has improved. I've also suspected that top row of the connector has greater heat sinking capacity (which should hold

Accuracy Requirements for New Technology

Electronics Forum | Thu Apr 07 09:56:01 EDT 2005 | bystrom123

I am having a common problem, justifying capitol expenses. We are currently using 0402's and BGA's and CGA's with 1MM centers. Our current equipment is horrible, we have a hand operated screen printer machine (No vision system) and we are placing all

Accuracy Requirements for New Technology

Electronics Forum | Fri Apr 08 08:35:44 EDT 2005 | Grant

Hi, What are you doing for reflow. Sounds like a cheap MYDATA TP machine second hand might do the trick, but don't know if it could do 0201 though. You can get a fairly ok manual stencil printer that might do the trick. We had one that had a linear

MPM Ultraflex 3000 password

Electronics Forum | Sat Apr 09 23:14:36 EDT 2005 | MikeaJ

In response to the post concerning the UP1500, the case is a little different. The Speedline/SMTech passwords are hardcoded into the Sigpro.exe file. Here is what you need to know: Login name: Speedline (or SMTech) Passwords are listed in order of ri

DEK underscreen cleaning

Electronics Forum | Thu Apr 14 06:54:02 EDT 2005 | teera

hi! below are the item need to check: 1)top plate condition(under screen squeegee). 2)under screen clean contact position(with stencil) 3)make sure the thickness of wiper paper not so thick(not over 6o gm)becaue it will effect the vacuum suction. 4)s

solder paste

Electronics Forum | Tue Apr 12 08:25:43 EDT 2005 | davef

Q1 Can anyone explain to me what is the clean and non clean solder? A1 The trend away from CFCs has lead many users to evaluate switching to no-clean soldering processes. The term "no-clean" is actually a common misnomer when used to describe a flux

Component Package/Classification

Electronics Forum | Thu Apr 21 17:46:17 EDT 2005 | Frank

Russ, Your math is right, but you are converting the wrong direction. I belive: 0201s use millimeters for specification sizes, not inches. And 01005 use millimeters for specification sizes, not inches. And it may be like that for all passives, bu

MPM UP2000 Lamps won't turn off completely-Help

Electronics Forum | Wed Apr 13 04:09:15 EDT 2005 | simmcircuits

Hi, I need help with our MPM UP2000, the stencil and the lamp boards won't turn off completely, they are both on at the same time. Turning it on would only make it brighter, turning it off will just lose the brightness but the lamps are still on. I h


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