Electronics Forum | Tue Dec 06 02:59:09 EST 2005 | darek
Lately we purchease second hand CSM 84V. During placing parts, we notices that few components are damaged (mmelf, 0805). What we done: - the position of pcb was decreased - the jaws moved little bit outside. Components after that are still damaged. H
Electronics Forum | Mon Nov 19 10:18:03 EST 2001 | gzweig
There is no question but that x-radiation is an ionizing radiation and can effect components sensitive to ionization . The higher the power level of the x-ray source, the higher the amount of ionization taking place. At low levels of x-ray we have ne
Electronics Forum | Tue Dec 06 18:29:45 EST 2005 | darby
You may also wish to check the speed controllers for both descent and ascent. The higher the ascent speed the more force the jaws close with. It can be difficult to achieve a "good" nozzle placement height as this is mechanically set and your lowest
Electronics Forum | Tue Dec 06 05:40:12 EST 2005 | ajay
we also faced similar problem in fuji cp643. addition to your suggestion - mainly in program PCB thickness, component height checked & set correctly , then problem solved.
Electronics Forum | Wed Dec 07 06:27:12 EST 2005 | sayyarif@aecl.com
Dear, i faced the same problem. slow down the transport speed, increase the component hight & make the pick-place soft. Best regards.
Electronics Forum | Tue May 26 11:13:49 EDT 2009 | xinxi
Is the components on the top or on the bottom of the pcb? Have you checked whether the temperature on pcb are too high when it pass through SW that it exceeds the limit that the components can take? Do check with the component manufacture for the te
Electronics Forum | Thu Aug 03 12:51:20 EDT 2006 | Ofer Cohen
I'd appreciate your support in the following issue: A significant batch of PCBs failed on de-lamination. The failure was identified, of course, only after the assembly. There is a big variety of components (BGA 1mm, BGA 0.8 mm, FQPs and other SMT co
Electronics Forum | Thu Aug 03 12:51:59 EDT 2006 | Ofer Cohen
I'd appreciate advise in the following issue: A significant batch of PCBs failed on de-lamination. The failure was identified, of course, only after the assembly. There is a big variety of components (BGA 1mm, BGA 0.8 mm, FQPs and other SMT componen
Electronics Forum | Wed Jun 29 09:01:46 EDT 2005 | jdengler
Many of the components will deteriorate at very different rates. This makes giving an hour rating difficult. If you read, http://www.speedlinetech.com/docs/EquipmentImpactsofLeadFreeWavesolderingAPEX2003BestUSPaper.pdf you will see they give inspe
Electronics Forum | Tue Oct 25 22:28:27 EDT 2005 | KEN
I have never heard of heating boards prior to v-score. Have you established any trends on component orientation and cracking? What is your v-score thickness range? Do you have your blades regularly sharpened? Have you measured your blade alignment?
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