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README_example.md

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Main Body Assembly

The body is the housing of all the electronics for the rover. It is the attachment points for the rocker-bogie systems, as well as the differential pivot system.

1. Features

  • Gives passthrough connections for USB ports on Raspberry Pi
  • Cutouts on the rear of the body give access for voltage monitor and battery for charging
  • Really pretty

2. Information about module

Author/Creator JPL
Cost without 3D printer 240.38
Cost with 3D printer 240.38
Date Added 4/11
Group/Organization/School JPL
Time to build 3 hrs

2.1 Skills

  • Band Saw/Dremel

2.2 Tools

2.2.1 Mandatory

  • Band saw or Dremel
  • Allen Key set
  • Imperial Wrench Set

2.2.2 Optional

  • Laser cutter

2.3 Dependencies on Other Modules:

  • None

2.4 Mechanical Interface/Attachments to Rover:

  • 0.5 Inch aluminum rod into bearing blocks on rocker-bogie arms
  • 0.5 Inch aluminum rod into clamping hub on differential pivot

3. Machining/Fabrication

3.1 9x12 Aluminum Plate Drilling

Item Ref Qty Image
9"x12" Aluminum Plate S35 1

First we need to drill a hole in one of the 9x12 Aluminum plates S35 because we will need a hole of just over 0.5 in diameter for the differential pivot mount. There is already a small hole drilled in the location we want to use, but it needs to be widened substantially. Start with the drill #23 and drill the hole shown by Figure 1. Repeat this with drill sizes stepping up until you get to a drill of 0.5 in.
Figure 1: Drilling the Aluminum Plate

3.2 Laser Cut Parts

Some more text

4. Mechanical/structural Assembly

4.1 Chassis

Item Ref Qty Image Item Ref Qty Image
Dual Side mount A S17 4 #6-32x1/4" Button Head Screw B1 16
4.5"x12" Aluminum Plate S37 2 #6-32x3/8" Button Head Screw B2 4
1" PVC Clamp S24 1 Allen Key Set
9"x12" Aluminum Plate S35A 1 5/16" Wrench

4.1.1 Top panel

Take the modified 9x12 Aluminum plate S35A and attach the four Dual side mount A S1 using screws B1 at the locations shown below. Take care to match the orientation shown.
Figure 2: Attaching side mounts to top panel

4.1.2 Attach the side panels

Attach the 4.5x12 plates S37 to the dual side mounts using screws B1
Figure 3: Attach the side panels

4.1.3 Attach the PVC clamping hub

Attach the 1-inch PVC bore clamping hub S24 to the top plate of the body using screws B1 Use the location shown in Figure 4.
Figure 4: Attach the PVC clamp to top plate