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

[Michelle Thompson]

Thanks Keith,

Working on a staff and resources repository today.

-Michelle W5NYV




On Tue, Aug 4, 2020 at 8:06 AM Keith Wheeler <keith.m.wheeler at gmail.com>
wrote:

> 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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