Verticle Solder Dispenser

Small footprint, one hand operation, fast model printing, fits various spools, Assembly Instructions, STL&STEP
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$5
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updated January 5, 2025

Description

I designed the Vertical Solder Dispenser with the hope of one hand operation. Instead of using one hand to pull and the other to cut it with the iron. With this design, you can use one hand to pull up and unwind it until you need to lift the solder string up on the cutting blade. The gross weight is not enough to hold it down. Solder Strong! One of the reasons I used a threaded 3/8 - 16 rod for the spindle was added weight. I think a heavier base would give you one hand solder dispensing. 

The design criteria to find a solution for requirements of the Verticle Solder Dispenser were a small footprint, one hand operation, fast model printing and accommodate various sized spools. The small footprint was solved by the vertical orientation of the spool. One hand operation was almost solved by the Spinny Top wire guide, the Cutter Base blade and a much heavier Base. Fast model printing was solved by "one flat side" models. The threaded rod as the spindle aids in accommodating various size spools from the 56x54mm dia. spool pictured. The Vertical Solder Dispenser should accommodate spool sizes +/- ~12.5mm over all; just center them on the shallow chamfer on the Base. 

         Tools

3/8-16 Tap and Tap Holder for threading the Base and Crown Top nut. You can also heat the rod end and twist it into the Base and Crown Top. Use gloves.

HackSaw to cut the threaded rod.

Hand File for chamfering the ends of the threaded rod.

Soldering Iron @ 350F 

Hand Vice

Solder spool 56x54mm dia. SN63PB37 #66/44 0.015" #26AWG

        Parts

3/8-16 x 84mm (3.30") Threaded Rod (spindle) for a 56mmx54mmdia spool pictured. 

20 degree exacto blade You may have to modify the Cutter Base for your blade style.

PLA filament

Vertical Solder Dispenser Base

Vertical Solder Dispenser Cutter Base

Vertical Solder Dispenser Top

Vertical Solder Dispenser Spinny Top

Vertical Solder Dispenser Crown Top

      Assembly

  1. 3D Print the five Vertical Solder Dispenser parts.
  2. Cut the 3/8"-16 Threaded Rod to the tallest spool you have + 32mm (1.250"). i.e.(spool height + 32mm (1.250")= Threaded rod length
  3. Using a Hand File file the rod ends to a chamfer.
  4. Using the 3/8-16 Tap and Tap Holder, thread all through the Base and Crown Top tap drill holes. Clamp parts in a Hand Vice.
  5. Install the 3/8"-16 Threaded Rod into the Base; almost flush to the flat bottom, without creating a dimple on the bottom flat surface of the Base.
  6. Using a Soldering Iron @ 350F, melt the exacto blade into the Cutter Base.  Melt the blade tip point into the radius on the Cutter Base. Melt the center of the boss to form a donut. Allow it to cool a bit and press it down over the blade mounting hole.
  7. Install the Cutter Base into the slot of the Base; flush to the bottom surface.
  8. Install the solder spool onto the Base chamfer; surrounding the spindle.
  9. Install the Top onto the spindle and spool end. Flat side down.
  10. Using the Spinny Top, thread the solder wire through the one hole nearest to your spool diameter. One back further from the circumference will allow more friction during unwinding.
  11. Install the Spinny Top onto the Top inner diameter. Solder wire feeds in from the bottom and out from the top.
  12. Center the spool by holding the bottom end of the spool with one hand so it is concentric with the top components and spindle and centered on the shallow chamfer on the bottom of the Base.
  13. Using the other hand, thread the Crown Top onto the spindle and tighten until the spool cannot spin.
  14. Dispense the solder wire by pulling up as the same axis as the spindle. The Spinny Top should rotate freely while pulling the solder wire.
  15. Cut the solder wire by looping the wire around the Cutter Base knife edge. In a rapid motion, pull up on the solder wire if the weight of the Base will allow it. You may need to use one finger on the front to hold the Base while pulling up on the solder wire with the other hand in order to cut it.
  16. The solder wire will be of consistent lengths if you allow the Spinny Top to position itself so that it is pointing towards and perpendicular to the Cutter Base

 

 

 

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