PCB Workstation with Articulated Arms
by giufini, published
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NEW MODELS NOW AVAILABLE:
"PCB Workstation with Needle Probes" (JUST RELEASED!)
"PCB Workstation with Crane Arms"
The "PCB Workstation with Articulated Arms" is a very useful tool that allows you to make precise and stable connections to the pins of the electronic components on your printed circuit boards.
HAVE A LOOK AT THE ARTICLE PUBLISHED ON MAKE MAGAZINE:
"PCB Workstation" in the TOP 8 CLEVER JIGS on MAKE MAGAZINE:
For people who don't own a 3D printer or quickly want to get a fully functional "PCB Workstation" with a large set of printed parts and hardware accessories, they are now available two ready to use High Quality kits!
PCB WORKSTATION - STANDARD LAB EDITION:
PCB WORKSTATION - LAB PROBES EDITION:
The new "LAB PROBES EDITION" kit is the perfect solution for your electronic laboratory when you need to perform complex analysis of electronic devices. It includes a full set of adapters for the most used laboratory probes. This kit does not include the probes that you might already have in your lab or you could buy from your preferred online vendors (Farnell, Digi-Key, RS-Online, Sparkfun, etc.).
Email me at [email protected] for info about costs and availability.
Support: 10° when needed (disabled for most pieces).
Infill: Medium for the bases, High for other parts.
Step 1: Mount the silicone bumpers
I suggest to apply 5 silicone bumpers beneath the base piece, so it will be more stable on the desk. You can use bumpers with a diameter up to 20mm.
Step 2: Assemble the PCB holders
The central part of each base consists of 4 sliding pieces arranged in a cross along which can be moved the anchoring blocks to firmly keep the printed circuit board in place. The assembly of the PCB holders to the base piece requires some wing nuts (5mm) and Hex bolts (5×12 mm). The PCB holders have two faces, one for straight sides, the other for the corners of a printed circuit board. You can choose the right face simply turning the holder.
Step 3: Mount the base joints
The base joints are required to mount the articulated arms to the base piece. Each type of base is equipped with multiple holes in which can be inserted a variable number of articulated arms for different purposes. These pieces have a slot to allow the passage of the electric cable without passing through the hole of the base, so it is very easy to insert, remove, or change an articulated arm on the fly.
Step 4: Assemble the bendable arms
The articulated arms are then made by assembling multiple ball and socket joints. Depending on the required length, an articulated arm may be formed from a variable number of ball and socket joints, however 20 elements should be sufficient for most uses. Each articulated arm provides an internal duct in which an electric cable can run.
If you wish to make more rigid articulated arms, you can use the provided special ball and socket joints that have a slightly smaller ball to allow the application of a rubberized coating that improves the friction and the stability of the articulated arms. I suggest the use of a small piece of heat shrink wrap 8mm (0.28") long, 0.27mm (270 micron) thick and 9mm (0.4") diameter.
I have also provided a new piece "B&S Joint (thick coated).stl" to allow the use of a thicker heat shrink tube.
Step 5: Install custom terminals with wires
The terminal elements of the articulated arms are designed to accommodate different types of accessories:
Alligator Clips (https://www.sparkfun.com/products/12033)
IC Hook Clip Grabbers (http://www.amazon.com/12pcs-6colors-Small-Grabbers-Multimeter/dp/B00C4PLQ7A)
Micro SMD Grabber Test Clips (http://www.digikey.com/catalog/en/partgroup/micro-smd-grabber-72902-series/16004)
Micro Sprung Probes (http://uk.rs-online.com/web/p/needle-point-probes/0775726)
Micro Clip Probes (http://uk.rs-online.com/web/p/grabber-clips/0775704)
Zeroplus type Probes (http://www.amazon.com/Probe-Saleae-Logic16-Zeroplus-analyzers/dp/B005NR440W)
Tektronix type Probes (P/N 020-2733-00 in kit 020-2662-0x) (http://www.bmisurplus.com/products/40893-tektronix-p6516-logic-probe-accessory-kit-020-2662-00)
Step 6: Mount optional base extension
The piece "BaseExtension.stl" can be used to expand the base, allowing for the mounting of bigger PCBs that do not fit onto a single base. This piece can be coupled with each available base (except "Baseround16cm12holes.stl") using the appropriate "extension linkage" piece supplied in the archive "ExtensionLinkages.zip".
Step 7: Assemble bendable arm with LED lamp
You can also add to your PCB workstation a terminal element that can accommodate an LED to illuminate a particular area of the PCB. I used a super bright white LED connected to a 9V battery using a 180 Ohm resistor.
Step 8: Add optional parts
Now that you have almost finished your customized "PCB Workstation" perhaps you will no longer use the old "third hand tool", but you could miss the magnifying glass. So, I have added a special piece "HolderMagnifyingGlass.stl" to still use the accessories of the old third hand tool, including the magnifying glass.
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PCB Workstation with Articulated Arms by giufini is licensed under the Creative Commons - Attribution - Non-Commercial license.
What does this mean?
- You must attribute (give credit) to the creator of this Thing.
- Remixing or Changing this Thing is allowed.
- Commercial use is not allowed.
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