lundi 4 novembre 2013

The Gains Of Reflow Soldering Oven

By Alyce Powell


Reflow soldering oven is the process of attaching one or more electrical components to the contact pads using a solder paste. A solder paste is a sticky substance that is a mixture of powdered flux and solder. The entire assembly is also subject to a controlled heat which will melt the solder and connect fully the joint.

The heating is fully accomplished with the help of the assembly that can happen in the entire flow of the soldering. You need to solder each joint with the hot materials or commonly known as air pencil. This is the common technique of attaching the surface on the circuit board. You can then fill the entire hole with the paste where you can insert the necessary components.

Practicing how to do wave soldering is just basic and that is why it is simpler and also cheaper. Reflow is not commonly used on hole boards. Upon using the boards, it can contain any mix of various components. The reflow will allow each wave to be removed from the assembly. It can lessen too the amount of the entire process.

The main goal of this is to gradually melt the solder and then heat the adjoining surfaces. You can do this without overheating and totally damaging the electrical tools. In the soldering process, there are usually stages that you must undergo. They are called zones with each one having a distinct profile. There is the preheat, soak and then the cooling.

In the first zone, the maximum slope can be the relationship between time and temperature. It can also measure how fast it is on the PCB or know as printed circuit board. The zone is the longest procedure thus it has its corresponding rate. Avoid any type of damage by exceeding the rate of the slope.

The second zone is the thermal period where the exposure takes place. It is the removing of solder paste and also the activation of the flux. The components will begin to have oxide reduction on every pad of every component. With too high temperature, it can led to oxidizing the paste and termination of components.

The third section is where the process of reaching maximum temperature happens. The important consideration is the peak which is the maximum temperature allowed to make the whole process. The limit is determined by the component of the assembly. It is recommended to monitor the process to keep it from having an exceeding limit.

The last zone is also the processed of cooling the board to solidify the whole solder joints. With proper cooling, it will help you achieve a quality thermal shock for every component. Having a fast cooling rate will also help you to have a quality structure. The parameters will help you have a considerable reason to analyze every result.

These are only some of the major details that you have to know. Indeed, the reflow soldering oven is important in many ways. Do not limit yourself with the mentioned details, you can also search for more to widen your understanding about the concept.




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