Electronics Forum: cannot (Page 31 of 126)

Lead Free paste

Electronics Forum | Tue Nov 07 15:08:59 EST 2006 | russ

here are my thoughts on kester, I have rec'd a sample to qualify here and we cannot even get it out of the cartridge it is so dryed out. Rep informed me that Kester has a problem with its chemistry right now. Product is Mfgr'd in off shore location

maintain glue size

Electronics Forum | Tue Dec 19 03:46:24 EST 2006 | en

I facing problem when running glue process. the glue size cannot maintain with the same size when the glue in syrince reduce. it become smaller, smaller and smaller compare to the time. Beside, when there have any changing model, the machine stop for

Automate goldfinger masking?

Electronics Forum | Tue Jan 02 18:36:59 EST 2007 | russ

I remember way back when we had a finger taping machine. I cannot remember who, what, or where, but I would bet that they are still available. Basically just ran board thru machine and both sides or one side would be taped. It was not conveyorized

Omniflow 7 conveyor

Electronics Forum | Tue Jan 16 07:51:23 EST 2007 | leemeyer

I have found a screen in the software that appears to be some setup data for the conveyor. I cannot find any information in the manual refering to this screen. If you open "SCREENS" then "DEBUG DATA" then "CONVEYOR" there are some setup parameters. D

simple doubt about reflow profile

Electronics Forum | Mon Feb 12 13:15:14 EST 2007 | realchunks

Does this meet the SMQ230 recommended time above liquidous? Do you have any parts that cannot withstand 239 degress C? If meet SMQ230's recommended time and temps and your parts are rated for this temp, then you should be OK. The real proof is ref

High output line advice

Electronics Forum | Mon Feb 19 12:18:36 EST 2007 | Hussman

I think you kind of answered your own question. If your maintenance is so bad that your line goes down, or you cannot afford to have downtime, you should be mainly concerned on a P&P comapany that can stand behind you and give you immediate response

Lead manufacturing to lead free transisition

Electronics Forum | Wed Feb 21 12:01:13 EST 2007 | itwasbill

Hi all, What are some of the must do, cannot go without changes to our process and equipment before we adopt a lead free process? Would we have to completely change out our ovens? I thought I read that using old ovens was a no-no. I just began

Feeder Master Calibration jig.

Electronics Forum | Thu Sep 06 08:22:09 EDT 2007 | mulder0990

I am waiting for our parts order to come in with the Torque checker and I will post right away to let you know how it works. We only have the Fuji CP-6 feeders here, so I cannot help you with the problems with the CP7. I am looking into a calibrati

Heel bend wetting for Gull Wing lead

Electronics Forum | Fri Apr 13 07:25:06 EDT 2007 | davef

Your paste should meet the mid-point of outside lead bend. If you cannot meet that, IPC-A-610D, 8.2.5.6 defines the minimum. We agree that it gets confusing when you post multiple threads on the same or very similar topic.

QFP Shifting / Solderability Issue

Electronics Forum | Mon May 28 07:50:08 EDT 2007 | pavel_murtishev

Good afternoon, Have you checked placement accuracy? Is it installed without shift prior to reflow? Are you sure it shifts in the oven? I believe tension cannot cause QFP shift since QFP has quite low self centering ability. Such kinds of shifts are


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