Electronics Forum | Mon Nov 18 09:04:20 EST 2019 | davef
Review: * Too much placement force * Underside supports are set incorrectly * Component height set incorrectly * Downstroke location of either the pick or placement set incorrectly * Nozzle that is smaller than recommended for the part * Part
Electronics Forum | Wed Nov 13 15:00:57 EST 2019 | stephendo
I have seen resistors cracked during placement. The part was programmed incorrectly and the nozzle pushed down on the part too hard. I do not remember seeing any cracked during depanelization. Nibblers can cause damage if they are on the bottom and
Electronics Forum | Thu Nov 14 21:53:04 EST 2019 | sssamw
I've seen crack on resistor also.The crack on ICs mainly is on the solder joint due to very high strain.
Electronics Forum | Mon Nov 18 20:30:39 EST 2019 | alanyang
The chip resistors are placed on the edge of the board, but the board has no or enough waste tabs. When de-panelizing, the bits may contact and break them. You can use a smt carrier, or add waste tabs in your next assembly manufacturing.
Electronics Forum | Tue Nov 19 03:12:58 EST 2019 | luciano_zhang
Hi Trino, I know some china's SMT company who may help you solve the problem you can visit their offical web and see if they can help you solve your problems. http://www.starivergroup.com
Electronics Forum | Wed Nov 13 02:28:27 EST 2019 | trino
Hello, I am a Japanese engineer. I am sorry for my unskillful English. Have you ever encountered cracks in chip resistors or IC components due to board mechanical stress? Especially, I'm looking for a case in the PCBs Depaneling process(pizza cutte
Electronics Forum | Thu Aug 05 10:38:49 EDT 2004 | iggyslab
Is there a specific epoxy that is most suitable for sealing a polycarbonate chamber, which will have hydrogen flowing through it at no greater than 10psi? Can any epoxy that provides a watertight seal be used for hydrogen applications? We have th
Electronics Forum | Tue Jun 06 13:36:12 EDT 2023 | calebcsmt
This is where I think Hanwha/Samsung sorta sits apart from the others, as the maintenance and upkeep is almost zero. One of our SM482s has been going 10 years now, with essentially the only maintenance other than cleaning and filter changes, being g
Electronics Forum | Wed Jun 16 06:16:44 EDT 1999 | Brian
I'm sorry, Cliff, but what you say is akin to bovine excrement. The problem is that your server is shared and is in Fort Lauderdale, which is at the end of a spur from one of the Atlanta nodes of the Internet backbone. The available bandwidth on this
Electronics Forum | Wed Jun 16 09:51:13 EDT 1999 | Graham Naisbitt
| I'm sorry, Cliff, but what you say is akin to bovine excrement. The problem is that your server is shared and is in Fort Lauderdale, which is at the end of a spur from one of the Atlanta nodes of the Internet backbone. The available bandwidth on th
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