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EBB36_V1.2 on Orbiter 2.0  EVA3 USB-C — zdjęcie 1
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EBB36_V1.2 on Orbiter 2.0 EVA3 USB-C

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Mounting for the EBB36 V1.2 toolboard on the Orbiter 2.0 for EVA3 when used with USB-C cable for data.

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Informacje o modelu

Źródło
Printables
Licencja
Creative Commons — Attribution — Noncommercial

Introdution

This Toolboard holder is for the EBB36 (V1.2), mounting to an Orbiter 2.0 on the EVA3 ecosystem, but with cable-support for the USB-C cable & connector 

(Note that 24V powerwires are not modelled but attache to the USB cable with tie-wraps). 

It connects to the Orbiter 2.0 and with the EVA3 so to provide a solid connection for the ADXL345.

Features

As RATOS now supports this board in USB-mode (i.s.o. CANBUS), this is now the easiest method to flash and use this board. Existing designs focus on the EBB36 mounted with the boltholes aligned with the orbiter. With my design I have tried to lower the board (CG) while still keeping the USB-C connector fully supported.

Other features:

  • USBC cable used is this 3DO cable. The modeled plug is also matching this shape
  • Printed hole for inserting 1mm piano wire for cable support (actual hole needs to be drilled to size). Model has 0.5mm hole so enough support is printed to enable a hole drilled to size)
  • Inbuilt sadle / support for the EBB36 USB-C connector to avoid stress on the connector (the EBB36 rests on the printed toolholder).
  • Lower mounting point, Lower CG

Mounting hardware

  • 3 x M3x8mm caphead screws with nuts | attach the Mount to the EVA3
  • 2 x 20mm brass hexagonal spacers (included in EBB36 package) | attache to Orbiter 2.0
  • 2 x M3x6mm caphead screws with nuts | attaching the toolholder to brass spacers 
  • 2 x M3x10mm caphead screws with nuts | attach the Mount to the Toolholder with the spacer
  • Tie-wraps (max 2mm x 5mm)
  • 1mm Piano wire for wireloom support

Designer notes

I have included 2 versions of the same design.

  1. The Toolholder as one piece: This needs to be printed with “support enabled” but works fine.
  2. The Toolholder in 3 pieces:
    1. The toolholder itself
    2. The mount to the EVA3
    3. A spacer to connect the 2 pieces

As my printed EVA3 geometery slighly differs from the CAD model (no idea why,…) the modelled file comes to close to the orbiter. A solution could be to file down the brass spacers, but I choose to include a spacer such that it can be finetuned to the users needs.

The Design

Onshape link

 

 

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