Electronics Forum | Fri Jul 31 19:14:58 EDT 2020 | emeto
Interesting one. I your machine placement algorithm capable to catch missing ball on the BGA while placing? Second question will be about component itself - datasheet will probably help. BGA body amterial? BGA balls alloy? BGA pad material before bal
Electronics Forum | Thu Sep 06 21:03:29 EDT 2001 | Poon Man
Eric, There are a lot of factors leading to lose components. Suppose your machine works properly. Firstly, is there any gap between the support pins and PCB? If yes, the components may be �dancing� during placement. Have you checked the placement s
Electronics Forum | Thu Nov 01 16:06:54 EST 2001 | Stefan Witte
I disagree on the dirty glass scale offset theory. If you have a dirt spot on the scale, every time the axis comes over the spot it misses counts. After a few movements it will not find the components in the feeder anymore, because the failure adds u
Electronics Forum | Thu Jun 29 08:57:07 EDT 2006 | jdengler
You have given little detail for anyone to help. What types of components are laying in the machine? Are these components missing from the PCB? But you can check these things. 1. Check vacuum at nozzles 2. Check for obstructions in the path of the
Electronics Forum | Thu Dec 08 11:50:40 EST 2005 | Stefan
If you mention mis-alignment and missing component in the same sentance, I suspect the component is not properly released after placement. Assuming the Juki machines use an air blow, after vacuum shut off, than I would look at a correct air flow firs
Electronics Forum | Tue Oct 12 10:24:22 EDT 2004 | sdsmt
i worked with cp6s in 1995 and 1996. we always had missing part problems that was machine related. we had to inspect every board for missing parts. it was a disaster, imho, but i expect a chipshooter to consistently load chips. otherwise, it was
Electronics Forum | Tue Sep 14 21:56:34 EDT 1999 | KEVIN SIMPSON
| | Hi, | | | | Recently encountered missing components problem at the SMT process. | | Among 13 chip components from the same part number mounted on the board, only 4 ( located in a same row and next to each other) were missing after post reflow. C
Electronics Forum | Mon Apr 28 18:34:17 EDT 2003 | Brian W.
We typically do not try to pick up and hand placve chip resisstors and capacitors. The risk and cost is too high for components that are a penny or less. We take into consideration that on many of our components, someone will have to test them to v
Electronics Forum | Wed Mar 03 13:50:37 EST 2004 | gregp
The root cause of your problem is your placement equipment. It is not designed for continuous production during component replenishment. Feeders that can be removed, reloaded, and placed back on the machine while the machine is running (without mis
Electronics Forum | Thu Aug 13 00:18:28 EDT 2015 | Banana
hi, currently we have Fuji CP8 and XP242 machine for pick and place. as now, most of the customers are going for the 0201 components, so i would like to know does the CP8 has the capability to mount 0201. because, i had run 1 model that has 0201 part
