Electronics Forum: preheat (Page 1 of 116)

Wave soldering preheat temperature

Electronics Forum | Sat Apr 14 00:04:21 EDT 2001 | zam_bri

I'm not a Wave soldering guy and my friend have asked me a question on what is the best preheat time and temperature for Wave soldering.They experiences only 10% flow up thru the PTH barrel. I've asked them to increase the temperatue to 120 Deg C. Cu

Wave soldering preheat temperature

Electronics Forum | Sat Apr 14 03:25:04 EDT 2001 | kpliew

Hi , As far as I experienced with wave reflow. If u have a refective thermal reader , u will see that the board is exposed to much more temp than the 120 deg that u set. Actually , once u see the board warp or comp. crack u should know that

Wave soldering preheat temperature

Electronics Forum | Sat Apr 14 03:25:10 EDT 2001 | kpliew

Hi , As far as I experienced with wave reflow. If u have a refective thermal reader , u will see that the board is exposed to much more temp than the 120 deg that u set. Actually , once u see the board warp or comp. crack u should know that

Wave soldering preheat temperature

Electronics Forum | Mon Apr 16 12:59:51 EDT 2001 | Mike R

If you will place a temperature strip on the board during wave soldering process you will get a max of 210 F or 98.8 C which is normal on the standard wave temperature. The problem on the 10% solder on the TH via hole can be caused by insufficient fl

Increase/decrease of the SMT reflow preheat

Electronics Forum | Tue Dec 11 02:44:26 EST 2001 | ianchan

SMT Experts, Hi, I have a pondering issue, which is : Our current specified Reflow preheat timing is a necessary 100~140sec for the ranges of 100~170Deg-C....obtained timing is 77sec... out of curiousity, if we further fine tune the obtained reflo

preheat slope vs ramp up- what is different?

Electronics Forum | Tue Jul 06 00:23:11 EDT 2010 | cksam

I am doing the case study of the component chip 0201 tombstoning problem. The significant causes was the reflow profiling preheat slope or ramp up rate. I really can't differential between preheat slope and ramp up rate. Could anyone here show me the

preheat slope vs ramp up- what is different?

Electronics Forum | Mon Jul 12 05:01:30 EDT 2010 | cobar

Please follow the paste suppliers specs for the paste as an indicator.Most people think that if they follow the paste suppliers recommendations to the T it will be a perfect profile but this is not the case.Play around with preheat settings but follo

preheat slope vs ramp up- what is different?

Electronics Forum | Fri Jul 09 07:14:36 EDT 2010 | cobar

http://www.shanelo.co.za/reflow_profile_adjustment.htm http://www.shanelo.co.za/how_to_profile_a_pcb.htm http://www.shanelo.co.za/SMD%20Assist.htm

preheat slope vs ramp up- what is different?

Electronics Forum | Mon Jul 12 04:52:50 EDT 2010 | cksam

Thanks for the information about the reflow profiling its really useful for me to set up my own profile.

How are you reworking high mass LED pcb's?

Electronics Forum | Sat Jun 24 10:10:31 EDT 2017 | fugtussey

Here's a good IR preheater that you should look at: www.paceworldwide.com/products/smt-rework-systems-and-preheaters/preheaters/ph-100-low-profile-pcb-preheater

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