Electronics Forum | Mon Apr 26 19:57:18 EDT 2004 | Eric
Hi, I'm using the Fuji CP643 and QP341. Thanks, Eric Chua
Electronics Forum | Mon Aug 06 10:08:55 EDT 2001 | davef
I like the blue search button better than the upper right search button, because it gives far greater hits that are more representative of the content of the forum. For example: http://www.smtnet.com/Forums/index.cfm?fuseaction=view_thread&CFApp=1&&
Electronics Forum | Mon Apr 26 06:09:27 EDT 2004 | Eric
Hi, I'm looking for an equipment which able to check those chip mounter machine placement pressure. Could someone recommend is there an equipment check those pressure during mounting.... Thanks, Eric Chua
Electronics Forum | Mon Apr 26 18:36:20 EDT 2004 | bilbo baggins
What type of machine? Most placement machines have built-in diagnostics that will tell you...though a maintenance tech may be necessary.
Electronics Forum | Wed Apr 28 21:53:35 EDT 2004 | Eric
Hi, Appreciate you could share with me more datail how this is make.....and how you downlaod or monitor the pressure force.... Thanks, Eric Chua
Electronics Forum | Tue Jun 14 18:26:32 EDT 2005 | GS
You can find useful informations also on last review of IPC-7085 : Design and Assembly Process Implementation for BGA. Regards GS
Electronics Forum | Wed Apr 28 10:29:04 EDT 2004 | dougt
By "placement pressure" I assume you mean force. I don't know of placement machines that have transducers mounted on the placement spindles that actually measure force. We made a board with a force sensor mounted through a hole so that it was the sa
Electronics Forum | Thu Apr 29 10:35:31 EDT 2004 | dougt
Start with a load cell (force sensor), you will need one that can handle the force range you will be placing. Someone please correct me on this if I'm wrong but I seem to recall that placement force runs in the range of a couple hundred grams. Chec
Electronics Forum | Tue Jun 26 19:50:00 EDT 2001 | davef
49 hits on nitrogen, you probably used the one with the entry window => 13 or whatever hits on nitrogen. Here is my take on what you missed by using the other seach: Date: May 26, 2001 04:57 AM Author: Brian Sloth Bentzen Subject: Nitrogen Reflow
| 1 |
.gif)
