Electronics Forum: 2009 (Page 111 of 283)

cp6

Electronics Forum | Tue Sep 01 12:20:47 EDT 2009 | fujiphil

Manually load the board and activate the solenoid for table up/down. Goto I/O then check the status of the sensor. if the sensor was tripped when table is down, removed the pin and check for foreign objects. Or check the hole of the pcb, maybe the si

cp6

Electronics Forum | Tue Sep 01 17:16:46 EDT 2009 | andoe

had tried all of that / went into proper data and changed the origin to the corner instead of the pin, it started working. thanks for the responce - ron

Meridian 1030 failures

Electronics Forum | Tue Sep 01 15:18:04 EDT 2009 | babe7362000

Is there anyone out there that can help me with a Y1 axis failure on a Meridian 1030? It seems to be an intermittant problem but is now getting worse. Please let me know if you can help

Anyone running 4785's

Electronics Forum | Tue Sep 01 15:32:24 EDT 2009 | gregcr

Hi All, If there is anyone running 4785 chipshooters we have a bunch of feeders that we are clearing out that you can have. Just pay shipping. Thanks greg

Anyone running 4785's

Electronics Forum | Fri Sep 11 18:20:21 EDT 2009 | ratsalad

I'll notify our SMT techs. I'm sure we can use them. Our TCM-V850 will never die!

screen blade length

Electronics Forum | Wed Sep 02 14:25:38 EDT 2009 | esoderberg

I have always gone with blade length equal to board width plus 2 inches - 1 inch either side. Is there any technical reason that I could not use a longer blade, say 2.5 inches on either side?

screen blade length

Electronics Forum | Thu Sep 03 07:16:39 EDT 2009 | rocko

When you increase the blade length you have to use much solder paste. As a result, we will dry-out extra quantity of solder paste. If it's not a problem then you can use longer blades, just change/adjust the process parameters.

screen blade length

Electronics Forum | Tue Sep 08 15:04:36 EDT 2009 | dekhead

Important mainly for consistency of pressure across the entire board length... But also quite abusive of stencils to use longer blades. Especially since (most people) when using the longer blades will bump the pressure up even higher to minimise th

flux residue problem

Electronics Forum | Sun Sep 27 23:10:19 EDT 2009 | hallwayit

Hi, Walter, Why don't you try no-clean flux? We ever met the same condition, later, we changed to no-clean flux solved the problem.

Lead Free Immersion SIlver PCB-->Creeping Corrosion

Electronics Forum | Thu Sep 17 23:36:35 EDT 2009 | Sean

All, We know that incomplete immersion silver could potentially lead this creeping corrosion. Is there any way to check bare PCB for incomplete immersion silver coverage, especially on the via hole area? Thanks, Sean.


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