Electronics Forum: electronics (Page 2791 of 7890)

mantis

Electronics Forum | Thu Mar 05 05:43:40 EST 2009 | ghcarnu

Searching the marketplace for mantis returns old data. I'm looking for buying a couple of Mantis microscopes; has anyone them for sale?

Calculating Mydata angels with CircuitCam

Electronics Forum | Mon Mar 09 11:05:07 EDT 2009 | KP

The mydata machines are using different packages. Since we know the part numbers and packages affected, would it be posible to load some sort of offset file to correct this before sending it to the machines?

Calculating Mydata angels with CircuitCam

Electronics Forum | Fri Mar 20 01:09:26 EDT 2009 | padawanlinuxero

Have the same problem but I do it manually in MYDATA when I check the feeder�s position I can change the orientation there.

SMT assembly

Electronics Forum | Mon Mar 09 09:28:16 EDT 2009 | davef

Bob Willis and Phil Zarrow have published recommendations in this area. * Search the fine SMTnet Archives for references to their findings. * Read posted papers on the topic on their sites.

SMT assembly

Electronics Forum | Mon Mar 09 11:43:59 EDT 2009 | pcbrown

Here is a formula that may help. C/P C= Component's weight in grams P= Total pad area in Sq. in. Must be less than or equal to 30 Parts larger than a 68 pin PLCC should use an adhesive. Hope this helps.

SMT assembly

Electronics Forum | Wed Mar 11 09:28:34 EDT 2009 | wrongway

surface tension is what holds the parts on when solder is flowing I would add some glue under the parts that I placed on the frist side the glue will add more surface tension. this is if you have a glue dispencer in your line already.

SMT assembly

Electronics Forum | Wed Mar 11 12:33:28 EDT 2009 | realchunks

Make sure your oven conveyor is running smooth as well. One bump or bad vibration will knock parts off too. Lowering the bottom zones in spike zones will help too.

SMT assembly

Electronics Forum | Fri Mar 13 03:49:27 EDT 2009 | nagesh

Thx a lot brown.Well this worked out better. earlier i had tried using a heat resistant tape on the component ended up with issues. Thx Nagesh

SMT assembly

Electronics Forum | Tue Mar 17 02:54:44 EDT 2009 | lococost

No. It took you 5 sentences to tell me absolutly nothing. Let me guess, you're a consultant to managers or worse yet, a manager?

BGA rework

Electronics Forum | Mon Mar 09 11:22:44 EDT 2009 | pcbrown

There are several out there. We will be doing some proprietary BGA installation in-house and I need a rework station. Has anyone had any experience with Focal Spot RD-500? Air-Vac DRS25? Or is there a better system out there for occasional to light u


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