Electronics Forum: contact systems (Page 46 of 79)

Tracking SMT Attrition (Load/Unload Loss)

Electronics Forum | Thu Jul 18 11:57:19 EDT 2002 | pjc

For component loss that cannot be accounted for by the placement machine's computer I would have the operators collect all loose components from the feeder setup area and in and around the placement machines after each product batch run. This is cert

PACE TF1500 or 1700 BGA Rework feedback

Electronics Forum | Thu Feb 23 12:43:12 EST 2006 | MikeL

I am not a current user of PACE TF1500 however, I have evaluated it along with other systems before making a decision. Wasn't a good system for us. We could not achieve consistency / repeatable results from board to board. Basically, we found it t

Setting up Water Wash Plant

Electronics Forum | Thu Dec 11 12:17:16 EST 2008 | bmaheu

Setting up a PCB washing "system" and the facilities required for a cost effective and repeatable cleaning process depend heavily on the application (water soluble versus chemistry cleaning), (batch cleaner versus ln-line) and local factors (quality

Re: how to overcome tolerance in automatic alignment

Electronics Forum | Fri Sep 10 12:09:02 EDT 1999 | Earl Moon

| | | hi, i m college student. i m currently doing my Final year project in PCB drilling. the main task is to design auto feeder which allign the PCB properly in position before drilling take place. the close tolerance becomes a big problem to the pr

Re: how to overcome tolerance in automatic alignment

Electronics Forum | Sun Sep 12 08:20:04 EDT 1999 | se

| | | | hi, i m college student. i m currently doing my Final year project in PCB drilling. the main task is to design auto feeder which allign the PCB properly in position before drilling take place. the close tolerance becomes a big problem to the

Re: MYDATA TP9-UFP CORE DUMP ERRORS

Electronics Forum | Fri Jul 03 03:49:06 EDT 1998 | chris Link

| | Has anyone experianced Core Dump errors with their MYDATA TP9? | | My machine (2/96) has 26 million placements and my operators | | have recorded 253 core dumps in 1996, 238 in 1997, and 18 in | | January of 1998. We run one job on the machine,

Re: MYDATA TP9-UFP CORE DUMP ERRORS

Electronics Forum | Fri Jul 03 03:47:59 EDT 1998 | chris Link

| | Has anyone experianced Core Dump errors with their MYDATA TP9? | | My machine (2/96) has 26 million placements and my operators | | have recorded 253 core dumps in 1996, 238 in 1997, and 18 in | | January of 1998. We run one job on the machine,

Fiducial replacements?

Electronics Forum | Fri Nov 30 18:22:40 EST 2007 | mika

Hi Paul M, There are no silly questions but silly answers.. and here is maybe a few if I understand you correctly: If you consider place anything less than a 1.27mm (50mil) pitch component down or a chip less than a 1210, hey it maybe don't even work

Re: Vectra Wave

Electronics Forum | Fri May 05 14:30:11 EDT 2000 | C.K.

I'd have to disagree with the Electrovert applications guy. I'd recommend SLOWING down the conveyor between .5 to 1 FPM - effectively, you're REDUCING contact length (because contact length = dwell time * conveyor speed), hence getting better peel-o

Re: help help! Water clean for CSP/BGA package

Electronics Forum | Tue Oct 05 14:38:06 EDT 1999 | Debbie Alavezos

| | Hi, | | | | Help! Could anyone help to enlighten me on this? | | | | Question: | | | | If I have a CSP/BGA package of size X by Y and the standoff gap between the component and PCB is Z, What is the maximum allowable Y/Z or X/Z that using a n


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