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PCB Holder

by braincodec, published

PCB Holder by braincodec Oct 31, 2015
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Contents

Design Tools

Inkscape FreeCAD Paint.NET Photoshop

License

PCB Holder by braincodec is licensed under the Creative Commons - Attribution license.

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Thing Statistics

24791Views 3809Downloads Found in Electronics

Summary

If you're one of those people who like electronics, then you know how frustrating it can be when you need to hold a PCB for soldering a component.

That was my case when I decided to make a stand PCB. First I was looking at what was available in the market (Weller by example), in order to have some reference on which to base my design. Finally, I decided on a type of support that allows to turn the PCB in order to be able to have easy access to both sides of it.

The hardest part was to design the clamping mechanism. In the end I think I found a good solution, based on three springs that allow the PCB firmly secure but at the same time release with little effort, to rotate if necessary.

BOM & Instructions

BILL OF MATERIALS (BOM)

ROD LOCKERS:
4x M3 Nuts
4x M3 Bolts of 25 mm

LEFT HAND:
1x M3 Nut
1x M3 Nut with auto-lock
1x M3 Bolt of 25 mm
1x Spring of 0,8 mm Wire diameter x 12mm Length x 13 mm inside diameter aprox.

RIGHT HAND:
5x M3 Nuts with auto-lock
4x M3 Bolts of 20 mm
1x M3 Bolt of 25 mm
1x M3 Washer
2x Springs of 0,35 mm Wire diameter x 12 mm Length x 8 mm inside diameter aprox.
1x Spring of 1,5 mm Wire diameter x 36 Length x 14 mm inside diameter aprox.

The RODS I am using in this unit are recycled from an inkjet printer.
You need two of 8 mm of diameter by 400 mm of length.

Also I am making some type of video tutorial to do more easy the steps needed to assembling this thing ;)

PCBHolder Part 1/3 (Left Hand)

PCBHolder Part 2/3 (Right Hand)

PCBHolder Part 3/3 (Finished)

Project: PCB Holder

Project Name

PCB Holder.

Overview & Background

By doing this project you can learn to use software like: FreeCAD, InkScape, KiCAD, Cura, Slicer, Repetier.

Objectives

The main objective is learn to use 3D design software and how students can be able to make their own Tools, also to recycle non used material (be green student!)

Audiences:

This project can be carried out by any enthusiast.

Subjects

No special.

Skills Learned (Standards)

  • 3D Design,
  • Vectorial drawing
  • Tools design.

Lesson/Activity

  1. FreeCAD software
  2. Inkscape software
  3. 3D Printer software (Cura, Repetier, Slicer, etc.)

Duration

It is a relative question but if the teacher only make use the main features of the software, they could be able to do this thing/project in lest than some hours.

Preparation

If they only want to do this project, they only must to know how to print this thing in a 3D printer!

References

No special references.

Rubric & Assessment

They should have learned how to use 3D design software, vectorial drawing software.

Handouts & Assets

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You can buy a clamp just like this one for $12 on Amazon. I like the use of the rods in braincodec's design, but for the cost of the parts it may be a wash to buy the Amazon version.

https://www.amazon.com/Aven-17010-Adjustable-Circuit-Holder/dp/B00Q2TTQEE/ref=pd_sim_14_5?_encoding=UTF8&psc=1&refRID=46FGX77B0X3DAT56E4YM

wow I didnt know it was that big
I just found these today too :-)

Hi Joinc, thanks for comment and for the link I like the rods system too and maybe the more important thing about my design is on the right hand mechanism.

Yes, obiously is possible to buy a clamp, a very cheap clamp, but the model I designed is comparable to this one:

http://www.weller-toolsus.com/weller-t0051502699-esf-120-esd-antist-pcb-holder.html

and my design (clamp mechanims) is better in my opinion and as you can see the price is about 61,6' USD$ more tax & shipping.

Moreover I made mine with recycled parts mainly so the price for me was not a problem and the better thing I'am maker!! so I prefer to do my own tools if it is possible, you can modify, adapt to your needed, etc.

In any case the clamp you show is really cheap and for many people will be enough.

(more like) where do you find the rods ?

Hi phil123456! In my case the rods are from an unused inkjet printer (Recycling!) but you can found 8mm rods in many sites on internet:
Here: https://www.aliexpress.com/item/Free-shipping-3D-printer-parts-8mm-smooth-rod-linear-shaft-L300mm-LM8UU-linear-ball-bearing-cnc/2012034667.html

Thanks for comment.

Can you put here some links where i found those springs.
I can't find my local store.

Jan 27, 2017 - Modified Jan 27, 2017
braincodec - in reply to junnu78

For example, you can buy the big one here: https://www.aliexpress.com/store/product/Custom-small-diameter-coil-metal-springs-compression-springs-1-5-16-45mm-MHS-S6/739321_32781054741.html?spm=2114.12010612.0.0.QMbt7N

as you can see it has an outer diameter of 16mm, wire diameter of 1.5mm and a free length of 45mm, maybe you must cut a little so we need 36mm of length aprox.

Also you can found more springs from the same seller here:

https://www.aliexpress.com/store/group/Compression-springs/739321_506988147.html?spm=2114.10010108.100008.1.bRttSV

and here you have a list of other sellers:

https://www.thespringstore.com/catalogsearch/advanced/index/category_id/3/
http://www.steelmefobo.com/muelles-tiras-metro-surtido-mixto.html
http://www.acxesspring.com/wire-springs-inner-diameter.html
http://www.ebay.com/itm/Compression-springs-various-sizes-you-choose-size-and-length-diameter-DIY-Tool-/331846450383?var=&hash=item4d4396fccf:m:mhnk2TQGM5iYsCzVTvSHtdw&vxp=mtr

You must keep in mind that it is not 100% obligatory to use the same measures, you have certain margins.

For example, the big spring for the right hand is the same you can found in this fitness device: https://es.wallapop.com/item/tensores-de-manos-13769569

You also can found the springs on an old inkjet printer, etc.

You can also find this type of springs (the big one to the right hand) in many shops in 1 meter strips.. You will have to cut it to the necessary measure.

Please, let me know if you finally get the springs, good luck!

Where did you find those springs?

Jan 26, 2017 - Modified Jan 26, 2017
braincodec - in reply to junnu78

Hi junnu78! I found the springs in a local shop but in E-Bay there is a lot.

If you have any problem to find that, please say to me.

If you make this thing please share with us! Thanks!

Last month I ordered some boards from PCBGOGO and I was amazed about the quality and service with competitive price.
You could use them if you have boards to make.

Too bad... It doesn't print on a printrbot simple metal because the legs are too large :-(

takes 2 seconds to split anything in any 3D software editor

Jan 23, 2016 - Modified Jan 23, 2016
braincodec - in reply to sinclairfr

Hi sinclairfr, but the PCB Holder is a very good thing. Maybe you want to say your printer don't have the needed dimensions, sorry for that. Leg dimensions are about 15,5cm x 16,5cm so in many printers the bed dimensions are about 20cmx20cmx20cm o maybe more.

If you want you could split the leg and print in two parts which you could assembly with some type of nuts.

Or if you want you can apply a little SCALE before you print this thing (Warning! Scale all the parts by the same factor)

You have many options.

Nov 12, 2015 - Modified Nov 13, 2015

Thanks extera

You can see the video tutorials I uploaded on mounting the PCBHolder.

When I get some time i'll do a BOM, stay tuned.

Nice design!

Can you post a BOM? It' s hard to see the size from the pictures!

Nov 11, 2015 - Modified Nov 11, 2015

Hello

I would be awesome if you would list what screws and road you used, and the size of the springs and where you use the springs

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