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Wednesday 08 December, 2010 | RSS Feed

Difference beteen Hot Air Heating and Infrared Heating

by Jason | post a comment

In the BGA rework area, hot air heating and infrared heating are the most normal repairing technique, so, what is the differences between them? Let me show you my opinions:

Infrared rework stations are become more and more popular in the reworking field. Many small rework stations are design with infrared heating, owning to the advantage that infrared heating has no air flow. We do not need to be afraid of blowing away small ICs on the board when we reworking. On the other hand, infrared heating can do even heating, which makes the stuff warm with average heat.

The the shortcoming is that the temperature of infrared rework stations ups slowly in the beginning , and when the temperature is up to a specify point, it will be hard to control, on the other hand, after you finish rework, you have to wait for a while for the temperature cool down.

About the hot air system:

For the hot air gun heating, the temperature of hot air can change easily, but it is hart to adjust too, thus, users should choose a high quality hot air rework station with nice controller and can do excellent air flow.

Some hot air guns are with rotate air flow, the flow is average because of the design of the air nozzles. Hot air soldering have an other advantage that hot air have a pressure can make the chips or IC more closely to the PCB.

Everything has double side, the chips or IC may be popcorn because of not technical control of the temperature, or the ICs can be blowed away by the strong air flow, so , hot air guns are suit for the ever technical rework masters.

In this moment, we have some hot air infrared heating rework stations , which down heating is infrared heating, can even heating on the bottom of PCB. Meanwhile , the upper heating is hot air heating, which heats more concentrate your rework parts, do not be afraid that your component will be blow away, just handle the air flow, you can adjust it.

Now the most hot selling infrared heating rework stations are: Achi IR 6000, IR PRO SC; LY IR 9000 etc.

Hot air guns are Aoyue 8032A++ lead free hot air station, ATTEN AT8205 hot air system, and KADA 852D+ etc.

Infrared hot air 2 in 1 heating rework stations are: ZM-R380B, DH-A09 etc.

The price ranges from difference demand of user, generally speaking, hot air guns are cheaper but suits for technical workers, infrared rework stations and hot air infrared heating stations are suit for the one who just star learning how to solder.

BGA rework just is a way of learning that never end, we may failed when we solder but we get experience from them, hope I can also get some tips from you.






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