At Electron Speed, solder sleeves are the preferred method of joining two or more wires. This article details some techniques we use when utilizing solder sleeves:
- Trim one end of the sleeve to minimize any reduction in flexibility.
- Insert shrink tape in one side of the sleeve to prevent any moisture from entering the sleeve and causing corrosion.
- Fan out the strands of each stripped wire. This step is important when twisting the wires together as it promotes the intermingling of individual strands.
- Twist the strands of each wire together, intermingling the strands.
- Twist as close to the insulation as possible.
- Heat the solder sleeve with a hot air gun until the solder flows between the wire strands and can no longer be seen as a ring.
- After shrinking, the shape of the individual strands should be visible through the solder.
- Remove any excess solder that may have leaked from the sleeve and trim any excess shrink tape.
For more information on using solder sleeves, download NASA's inspection document here.