Selective and wave soldering are among the commonly used soldering methods when it comes to Printed circuit boards. Each of these methods however comes with their own set of advantages & disadvantages.
Wave soldering, also popularly referred to as flow soldering, this soldering method is undertaken in a protective gas atmosphere as the use of nitrogen is known to considerably reduce possibility of solder defects.
The wave soldering process comprises of:
Wave soldering is extremely beneficial when it comes to volume production, however it comes with its own set of disadvantages, primary among them being:
Selective soldering is a type of wave soldering used for soldering PCBs that are assembled with through-hole components. With double-sided PCBs becoming increasingly common today as they allow for smaller and lighter products, the usage of selective soldering has also increased exponentially.
Essentially selective soldering comprises of three stages:
Additionally Selective Soldering is used when:
Also as opposed to hand soldering, selective soldering offers the benefit of consistency.
There are, however some disadvantages associated with Selective Soldering as well. These include:
To sum up:
Wave soldering is an ideal method when it comes to Printed Circuit Boards that have through-hole components as well as larger surface mount components. Selective soldering, on the other hand is useful for a densely populated board allowing for a number of parameters to be taken into account. It however is unsuitable for mass production as it requires creation of a unique program for each circuit board.
It is imperative therefore that the soldering partner be chosen dexterously, who can study your distinct requirements and offer the soldering process that fits your bespoke needs. With years of expertise the partner can study the technical requirements as well as ascertain the time & budgets allocated by you to come up with a feasible option.
Technotronix offers PCB Assembly service with 40 years of expertise. Our accurate PCB assembly process meets the quality standards, including ISO 9001:2015, RoHS, and more. Our superior engineering capabilities mean that each board matches your exact requirements and technical specifications. In case if you have any questions, please feel free to contact us via email at sales@technotronix.us
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