Electronics Forum | Mon Jul 19 14:58:50 EDT 2004 | mattkehoe
We have a need for expert opinions on a solderability issue. Our company prints and then reflows solder paste with no components in place. It is then washed and flattened with a special flattening machine. Usually, the paste fuses and spreads out
Electronics Forum | Wed Aug 25 16:04:49 EDT 2004 | jsk
F1 Board name line F2 Optional Board info line unit code- this line follows F2 if present if not then it follow the f1 line F21 optional...Level measure tool line F3 fiducials x y F4 Optional coordinate line for lower left corner of pcb F41 optional
Electronics Forum | Wed Nov 03 14:46:29 EST 2004 | dramos1
Hi Russ, Thanks for the reply. In IPC-A-610 Rev. C on section 5.2.9 {Mounting - Connectors] page 5-21 on the manual [January 2000], the acceptable class [1,2,3]listed 3 items. In order for the connector to be accepted, are all 3 items must be met? I
Electronics Forum | Fri Apr 28 15:54:58 EDT 2006 | dismon
Hi, I've been searching for comments about this, and found something, but a little old, so here is my question: I'm going to purchase a new P&P machine and have two options: Juki 2060 and Mydata MY9. What I need is: easy to manage, easy to change
Electronics Forum | Mon Oct 23 12:58:28 EDT 2006 | grizzy
"Surface Mount Techniques has approximately 98 > percent of the world market share of large Panel > Stencil Printers". > > It sounds a little bit > strange to me, especially since I work for one of > the companys listed in their advertisement an
Electronics Forum | Wed Dec 20 04:08:09 EST 2006 | ungun
Sorry for the late reply. I use glue dispenser machine juki kd-775. It have dispensing diameter confirmation unit, but dispensing test tape can be hold for 2 to 3 days a roll if the output 300 pcs pcb with average glue point 100 per peace. Beside, i
Electronics Forum | Wed Dec 20 23:29:32 EST 2006 | Jack
Hi all, Is there anyone know the correct way to obtain the accurate temperature profiling for oven reflow? Are below claims true? (1) Instead of full components on the PCBA (Motherboard), the profile taken from PCBA with few components can be cons
Electronics Forum | Tue Feb 27 11:03:09 EST 2007 | Marcin
Hi All, Anybody knows what is the minimum clearance between through hole component and chip component? Problem description: On bottom side of my pcb are only 0603 chip components mounted on glue. One of the component is located very close to hole
Electronics Forum | Mon Sep 24 07:38:01 EDT 2007 | chrispy1963
I never saw in any post if your machine uses the camera to find the board edge or if your machine uses the bottom front rail mounted board stop sensor. Also is this with only one particular job you run on this machine or is this happening with ALL
Electronics Forum | Fri Nov 16 07:47:56 EST 2007 | realchunks
Stress cracks generally happen at wave solder, not reflow. But so you know, stress cracks from heat occur from the body and work towards the leads. They are generally circular. In the past, these cracks where blammed on the nozzle of the placement
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