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

[Michelle Thompson]

Resources are caught up. Teams are next.

-Michelle W5NYV




On Tue, Aug 4, 2020 at 9:02 AM Michelle Thompson <
mountain.michelle at gmail.com> wrote:

> 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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