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

Tue Aug 4 19:20:40 PDT 2020

I have two Lindgren RF anechoic chambers with power filters and I think a
USB filter dating back to the original slow USB. The larger one is about
the size of the pallet it's on, square, and crushed the plastic pallet with
its weight. I would contribute that one to the project if we can find a
place where it would be accessible, and can truck it from Berkeley
Warehouse. There is a forklift at the warehouse to put it on a truck, it's
definitely going to need one to take it off.

Thanks

Bruce

On Tue, Aug 4, 2020, 6:53 PM Michelle Thompson via Ground-Station
<ground-station at lists.openresearch.institute> wrote:

> 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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