Electronics Forum | Sat Jan 26 21:33:39 EST 2013 | sarason
Looks like you have a carbon black process that isn't quite plating to completion, pin prick size holes have remained in the plating. When dipped in an etchant (ie any acid or H2O) the holes grow and they leak carbon. This may be more of a problem th
Electronics Forum | Mon Jun 29 19:36:08 EDT 2009 | proy
Are you sure it is the Z axis, and not the rotation, I had one machine which often did something similar, it would buzz loudly, especially if you touched or applied rotation pressure to the gear belt which rotates the head. It never caused any hard s
Electronics Forum | Wed Jul 01 13:41:25 EDT 2009 | jlawson
Are you sure it is the Z axis, and not the > rotation, I had one machine which often did > something similar, it would buzz loudly, > especially if you touched or applied rotation > pressure to the gear belt which rotates the > head. It never ca
Electronics Forum | Tue Jun 23 08:08:38 EDT 2009 | ptxems
We have a couple of Zeva/Juki PM570L's. One machine has developed a fault with the z axis motor. It is continually 'buzzing', we have checked and there is 24VAC on it. Although even on the other machine there is AC voltage on the motor. We have sw
Electronics Forum | Thu Aug 12 22:31:10 EDT 1999 | Dave F
| Hello, | | Can any netters suggest what critical parameters should be considered & what are there assoicated impacts for a solder paste printing process ... | | B.Regards, | Felix | Felix: There are some 30 variables that affect SMT solder qua
Electronics Forum | Fri Jul 06 03:23:01 EDT 2001 | kennyhktan
Hi there Steven ! Please allow me to share some of my problem we're facing here with you. Here are a few points that I suggest you should check on your current process:- (1)PCB - Component land partern design ? It is per IPC spec ? - Mask
Electronics Forum | Thu Aug 12 17:07:09 EDT 1999 | Brian Wycoff
| Hello, | | Can any netters suggest what critical parameters should be considered & what are there assoicated impacts for a solder paste printing process ... | | B.Regards, | Felix | I have a process cause and effect diagram for the entire print
Electronics Forum | Fri Aug 13 00:05:12 EDT 1999 | Felix Mung
| | Hello, | | | | Can any netters suggest what critical parameters should be considered & what are there assoicated impacts for a solder paste printing process ... | | | | B.Regards, | | Felix | | | I have a process cause and effect diagram for
Electronics Forum | Fri Aug 13 00:08:16 EDT 1999 | FMung
| | | Hello, | | | | | | Can any netters suggest what critical parameters should be considered & what are there assoicated impacts for a solder paste printing process ... | | | | | | B.Regards, | | | Felix | | | | | I have a process cause and eff
Electronics Forum | Mon May 01 17:29:25 EDT 2000 | Joe
Hi, We have a climatic controlled assembly area, with a constant temp of 22 deg C and a relative humidity of 40 - 50 %. What I would like to ask is how should I approach a situation when the humidity starts to decrease to below 40%. The situation I'
