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pcharvet

Third hand solder SMD

by pcharvet Jan 27, 2018
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What is the max size PCB this will handle?

Hi Ilium007,
The distance between the needle and the support is 30mm, so the PCB must have a maximum width of 60mm.

Buen trabajo. Ya está impreso.
Traducciones Google:
Bon travail. C'est déjà imprimé.

Good job. It is already printed.

In english (google translate):
This small assembly makes it possible to maintain a CMS component plated on the printed circuit while it is soldered.
To realize this assembly, it is necessary, in addition to two parts printed in 3D:
A small spring: I got it on an old clothespin
A needle: type "needle smt" into a search engine.
M4 screw / nut
It's a simple montage, inspired by this one: SMD solder holder
I found the idea very good, but I wanted to improve 2 points:
A print without support
Simplify the assembly by removing the stem.
And by the way, also to use a model of spring and needle that I recovered :-)
I enclose the FreeCAD source file to adapt the mount to another model of needle or spring.

Great design! The needles are 50 for $4 on eBay. I just got a kit with 0402 SMD components. This is just what I need and its printing as I type.