Скачать или смотреть How to make soldering iron at home || Soldering iron making

You can make a do-it-yourself (DIY) soldering iron tip from a piece of solid copper wire or a brass rod. The process involves shaping the material to fit your soldering iron and then tinning it to ensure proper heat transfer and prevent oxidation.
Materials and Tools
Material: Solid, thick copper electrical wire (e.g., 6 AWG or similar diameter to your original tip) or a brass rod.
Tools: Pliers, a utility knife or wire strippers, a hacksaw, a file, sandpaper or brass/steel wool, and a vise.
Consumables: Solder (rosin core recommended) and flux or tip tinner.
Step-by-Step Instructions
1. Prepare the Material
Copper Wire: If using insulated copper wire, cut a piece about 4-6 inches long. Use a utility knife or wire strippers to carefully remove the insulation to get to the bare copper.
Straighten: If the wire is bent, clamp one end in a vise and gently pull and bend the wire by hand to straighten it.
Cut to Length: Measure the length of your original soldering tip and use a hacksaw to cut your new material to a similar length.
2. Shape the Tip
The method for shaping depends on how your iron secures the tip ("slidey-style" or "screwy-style").
For "Slidey-Style" Irons:
Chuck the material into a drill or drill press, similar to a mini-lathe setup.
While the drill is spinning, use a file and sandpaper to shape the end into the desired form (e.g., a fine point, chisel, or bevel).
Periodically stop to check the shape and diameter, ensuring it will slide correctly into the iron's body.
For "Screwy-Style" Irons:
You will need a thread-cutting die that matches the threading of your iron.
Clamp the rod in a vise and use the die to cut threads onto the end of the material.
Once threaded, you can shape the tip using a file or by chucking the other end into a drill.
3. Install and Tin the Tip
Install: Insert your new tip into the soldering iron and secure it in place.
Heat: Plug in or turn on the soldering iron.
Clean: Once hot, wipe the tip with a damp cellulose sponge or brass wool to remove any oxidation or debris.
Tin: Apply a small amount of solder to the working surface of the tip, ensuring it's completely coated with a thin, shiny layer of solder. This "tinning" process is vital for protecting the copper from rapid oxidation and ensuring effective heat transfer during soldering.
Important Considerations
Material Choice: Pure copper is an excellent heat conductor, but it dissolves quickly into molten solder and will pit over time. Plated commercial tips (iron-plated copper core) last much longer. Brass is another option and lasts longer than pure copper but does not conduct heat as efficiently, so you may need a shorter or thicker tip to compensate.
Maintenance: Always tin the tip with fresh solder before putting the iron away, even for a minute. This prevents the tip from oxidizing (turning black), which makes solder not stick.

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