Drag Soldering for Increased Throughput

www.solder.net (847) 797-9250

April 2020

Dear Electronics Colleague -

Another APEX has come and gone.

The committee meetings were enlightening with some new potential standards being developed for PCB inspection and the IPC A-620 being revised to version "D".

We have had a lot of questions regarding our COVID-19 cleaning, social distancing and sickness policy with respect to solder training. We welcome further dialogue to understand your concerns and desire to protect your staff. Recently, IPC-A-600, IPC-A-610 and IPC-A-620 have opened up for online training. Call us to discuss your training options in this environment.

Be Safe!

Dan Patten

Drag Soldering-Learn How to Speed Up Soldering of Fine Pitched Gull Wing-Leaded Components

There are a variety of soldering methods which can be employed in order to speed up the hand soldering of QFPs. Learn the most common employed for soldering surface mount gull wing-leaded component styles. Top of lead, point-to-point and drag soldering are all soldering techniques for soldering these components.

BEST professional soldering instructors can teach you the finer points of these methods including drag soldering, the fastest method for soldering gull wing multi-leaded devices in place. (See IPC 7711 5.5X procedures).

The key to drag soldering a component is to properly align the lead to the pad, use plenty of flux, use a well-designed hoof tip designed for the size of the component leads and by using the proper drag soldering technique. Not only is the hoof tip size important but the type of flux chemistry (it needs to remain "active" during the time it is being heated by this soldering method) as well as the solder wire diameter will get the best soldering results.

Drag Soldering Method

Training and COVID-19 Protection

BEST has instituted procedures for disinfecting its classrooms using the methodologies suggested by the Centers for Disease Control throughout the day.

In the case of remote training, disinfecting will be in line with the host site protocols. Our instructors will work with the host site coordinator in order to understand the protocols which will need to be followed for remote training locations.

More information on BEST 's training options can be found by contacting JL @ 224-387 -3256 or via email at JL@solder.net.

SMT Stencil Capacity Increased-Try One!

BEST recently added a 2 ^nd laser cutting system for the fabrication of metal stencils to its Midwest customer base. This capacity has stayed online since the outbreak of COVID-19 virus restrictions. If you need a reliable 2 ^nd source for metal stencil design and fabrication, BEST can be your vendor of choice. This new laser cutting system can be used to precisely cut apertures on stencils ranging in thickness from 2 to 20 mils in a variety of both framed and frame-less configurations. Call Chris E at 847-797-9250 or send the files you would like a stencil designed and cut for to cedwards@solder.net.

BEST Inc. | 847-797-9250 | www.solder.net

3603 Edison Place, Rolling Meadows, IL 60008

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