[Ground-station] Mechanical prototyping resources available - please add if you are willing and able

[Keith Wheeler]

In PDX I have access to:
  Creality Ender 3d printer
  K40 (small) 40W CO2 laser
  Small engraving machine
  Small sheet metal brake
  Hydraulic hand terminal crimper 10 through 0/1 gauge
Additionally I own but do not currently have access to:
   Large Smithy 3in1 mill/drill/lathe
   Metal bandsaw
   Metal chopsaw
   Lincoln MIG welder
   20 ton hydraulic press
   Hydraulic tubing bender
   Sheet metal bead roller
   Throatless shear
   Numerous rivet, nutcert, cleco, etc tools
   Numerous hand fabrication tools: flangers, tubing flare formers, etc
   Numerous taps, dies, end mills, ball mills, specialty bits
   Router table
   Air compressor
   Sandblast cabinet
   Various paint guns
   Vacuum pump
   Composite and casting support equipment
   Parkerizing solution/equipment
   Small reflow oven
   Small solder paste stencil station





On Mon, Aug 3, 2020 at 9:35 PM Michelle Thompson via Ground-Station
<ground-station at lists.openresearch.institute> wrote:

> Greetings all!
>
> This thread is primarily for Scott McGillivray (and other
> mechanically-inclined volunteers).
>
> We will be doing more mechanical design going forward. There are resources
> available for prototyping. This report outlines some of them.
>
> Video report here:
> https://youtu.be/2omYVVKAnhs
>
> Transcript:
> Here's a walk through of our mechanical fabrication capabilities in San
> Diego. If you have shop capabilities that you can offer for the Phase 4
> project, then please file either an issue or a pull request (or write me)
> and let's add to the list below!
>
> Link to document in GitHub is:
> https://github.com/phase4ground/documents/blob/master/Management/Weekly_Engineering_Reports/20200803_Phase4_weekly_report.txt
>
> 1) Voltera V-one circuit printer. https://www.voltera.io/product/specs
>
> This can handle ordinary PCB material up to 3mm thick but can also do
> flexible circuits on material like Kapton.
>
> 0.2mm minimum trace width, 0402 minimum passive size, and 128mm by 116mm
> print area.
>
> It can print, cure, and solder. It can also drill but I do not have that
> attachment.
>
> 2) Ultimaker 2 that has been upgraded to a 2+. We have done several
> microwave feeds and antenna designs including elliptical taper 10GHz horns,
> dual band feeds, helical structures, and more.
>
> We metallize using conductive paint and the results have been very good.
>
> Resolution of this printer setup is 0.02mm, which is good enough for
> 120GHz multi-reflector systems and beyond.
>
> 3) Wood shop with metal brake, grinding wheel, and drill press.
>
> 4) For textiles and embroidery, we have a Pfaff creative vision with
> embroidery deck and all the hoops. We also have a serger.
>
> 5) Multi-purpose machine, air compressors, and a 1929 South Bend Lathe.
>
> 6) This Tormach PCNC 440 is a small, light duty 3-axis CNC milling machine
> capable of working to accuracies of about a thousandth of an inch (a couple
> hundredths of a millimeter) within a work envelope of about 6 by 10 inches
> (150 by 250 millimeters). We have a reasonably complete set of ordinary
> tooling and work holding accessories for it. We are certainly not expert
> machinists, but with these tools we can make prototype runs of a wide
> variety of parts in materials like plastic, aluminum, and steel. Not every
> shape is easy or even possible to make with a 3-axis mill, but for most
> designs we can make a part that will work.
>
> 7) We have access to the large laser cutter at colab.org. Use of the
> machine is free for non-commercial work.
>
> As we enter into a stage where we will be doing more mechanical design,
> these are the resources that are immediately available for early
> prototypes.
>
> Thanks everyone!
>
> More soon,
>
> -Michelle W5NYV
>
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