Electronics Forum: ersa powerflow profile (Page 1 of 5)

wave profiling for ersa ews500

Electronics Forum | Wed Jan 11 14:51:05 EST 2006 | j keller

we have a new ersa ews500 wave machine and are experiencing difficulty in profiling for lead free. particular issue is reaching 110c preheat for large TH electrolitic caps while maintaining 110-170c on 1/4 watt resistors in same area

wave profiling for ersa ews500

Electronics Forum | Fri Jan 13 12:12:48 EST 2006 | jimk

we have 4 bottom IR heaters and a 2 zone bottom Quartz heater (2 lamps/4 lamps) and 1 convection heater above zone 1 IR. we have very tight restrictions from customer and I could send profile view to your email if possible

wave profiling for ersa ews500

Electronics Forum | Wed Jan 11 16:56:15 EST 2006 | russ

So are you saying that you cannot reach 110C at 1 location without raising another location to excessive preheat temp? If so, sometimes slowing down the conveyor and dropping the preheat temps will help you get equal temps. I do not know this machi

What are the best profiles for 3 zone ersa reflow?

Electronics Forum | Sun Apr 12 21:37:52 EDT 2009 | padawanlinuxero

HI !!! We have the same oven! and yes profiling is hard, but not that bad. Check with the solder paste company for information, right out of my head dont remember for the temps that we use on mondayIcan show you my profile so that youhave an idea

What are the best profiles for 3 zone ersa reflow?

Electronics Forum | Tue Mar 31 11:05:26 EDT 2009 | ericthered

thanks for the responses. Went to Kester. Better now.

What are the best profiles for 3 zone ersa reflow?

Electronics Forum | Fri Apr 03 15:42:23 EDT 2009 | rkevin

Hard to beleive anything from Kester these days would help. (Unsolicited opinion)

What are the best profiles for 3 zone ersa reflow?

Electronics Forum | Fri Mar 27 10:04:51 EDT 2009 | ericthered

We have been having problems with proper wetting when running mainly lead free but also leaded solder in our Ersa Hotflow 3. Solder either often looks grainy or doesn't flow over the whole pad. This is generally the case when my profile is 170 firs

What are the best profiles for 3 zone ersa reflow?

Electronics Forum | Fri Mar 27 12:44:07 EDT 2009 | stepheniii

Let me be the first to suggest; Get a better oven. 5 zones minimum. If you can't, you will have to have some way of profiling the board. Does the oven have thermocouple ports? If not you will have to buy some kind of termperature datalogger. Mayb

What are the best profiles for 3 zone ersa reflow?

Electronics Forum | Mon Apr 13 12:32:55 EDT 2009 | ericthered

That would be great Armando, thanks. Also, what changes might I make with metal clad light boards (LED). heat transference is tricky with these and the solder is not wetting well.

What are the best profiles for 3 zone ersa reflow?

Electronics Forum | Fri Mar 27 14:12:10 EDT 2009 | rgduval

Check with your paste manufacturer for a recommended baseling. The paste manufacturers generally have a database by oven that gives optimal performance for their paste. It's only a baseline, and does need to be adjusted based on the thermal foot pr

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