Electronics Forum: not and every (Page 1 of 18)

Solder not reflowing properly

Electronics Forum | Mon Aug 25 16:26:52 EDT 2008 | wrongway

every time that i have seen that kind of problem where I work it always seems to be a problem with the parts having comtamination on the leads is it just one part # giving you problems our all 0402 parts on that assy having problems if its just o

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 04:10:25 EDT 2001 | kensmoke

We recently had a multi block panal change at the vendor Now the production lines are producing solderability defects in great number. The makeup of the pcb is a type of fiber glass mask green in color and pads with no tinning just copper lands.

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:27:09 EDT 2001 | CAL

From what you are saying................If I hear ya correctly - There is no "Proctective" on the Pads (OSP, HASL....) You will be hard pressed soldering to bare copper. This can not be right. My suggestion- go polyimide with electroptical connecti

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:28:34 EDT 2001 | CAL

From what you are saying................If I hear ya correctly - There is no "Protective" on the Pads (OSP, HASL....) You will be hard pressed soldering to bare copper. This can not be right. My suggestion- go polyamide with electroptical connectio

Board change and solder not adhereing completely

Electronics Forum | Fri Apr 06 08:36:13 EDT 2001 | Cal

Sorry about the double post.........my Vanna White spell check crapped out on the first reply.

contact pick and place table not homing

Electronics Forum | Fri Aug 11 13:38:52 EDT 2023 | lauri

We have a Contact 3AV pick and place and we can't get the table to home. Any solutions?

contact pick and place table not homing

Electronics Forum | Thu Aug 17 13:55:45 EDT 2023 | markhoch

I think we need more information. Is it moving at all? Does it move to a reference position and then stop before returning to the home position? Have you verified that all sensors are working correctly? Does the machine use stepper motors, motors & e

contact pick and place table not homing

Electronics Forum | Thu Aug 17 14:35:47 EDT 2023 | lauri

Thanks for the response. We have checked everything except the stepper motor, which we will try. But as we were checking everything now we've developed a software (?) problem. A msg comes up "can't find DSP".

contact pick and place table not homing

Electronics Forum | Fri Oct 13 10:36:51 EDT 2023 | barty

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contact pick and place table not homing

Electronics Forum | Thu Nov 02 22:29:47 EDT 2023 | murtaza

Burn that machine. I had 3 of them and i was fixing it more than running boards

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