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Arduino

Arduino Explorer Rover Part 1 – Chassis

Jan Gromes
Published by Jan Gromes at September 12, 2017
Categories
  • Arduino
Tags
  • Arduino
  • arduino explorer
  • explorer
  • rover
  • space rover
arduino explorer rover

Table of Contents

  • Intro & Design
  • Making the Chassis
  • Step 1: Control Arms
  • Step 2: Frame Block
  • Step 3: Suspension Block & Motor Block
  • Step 4: Absorber Attachments
  • Step 5: Assembling the Chassis
  • Conclusion

 

Making the Chassis

As I promised, the rest of this article will be a step-by-step guide to help you make the robot on your own! If you’re only interested in the final result, feel free to skip to the last page. And for the rest of you, let’s get to work! The drawings of all the parts are available on my GitHub in PDF. If you decide to print them, do it without margins, so that the drawings remain in the original 1:1 scale. All the dimensions are in millimeters.

Before we get started, I just want to clarify the terminology here. I am not a mechanical engineer. I have no idea what most of these parts would be properly called in English (or in any other language for that matter), so I made up my own names for stuff. Use the following picture as a reference for what I mean when I talk about “motor block”, “suspension block” or “frame block”.

arduino explorer rover

Figure 6. Terminology reference

Getting the materials

Now is probably time to obtain all the materials. Some of the parts like motors and wheels were already listed in the Hardware requirements in the beginning, so here I will only focus on the aluminum profiles and bolts. Also, all the dimensions in the following tables are in millimeters and all the bolts are M-type – the ones with a hexagonal head.

Aluminium profiles

Part Number & Name Profile type Width Height Wall Thickness Length Count
[1] Control arm U profile 30 15 2 180 24
[2] Suspension block Square tube 40 20 2 100 6
[3] Motor block Square tube 80 50 3 50 6
[4] Frame block Square tube 80 40 2 100 3
[5] Absorber attachments U profile 25 25 2 80 12
arduino explorer rover

Figure 7. All the types of used aluminium profiles

Nuts and bolts

Part Number & Name Length Count
[1] M3 bolt 8 36
[2] M3 bolt 30 6
[3] M3 nut – 18
[4] M4 bolt 22 6
[5] M5 bolt 8 48
[6] M5 bolt 12 96
[7] M5 nut – 144
[8] M7 bolt 30 6
[9] M7 nut – 12
[10] M8 nut – 48
[11] M10 nut – 12
arduino explorer rover

Figure 8. All the types of used nuts and bolts

1 2 3 4 5
Jan Gromes
Jan Gromes
Jan is currently studying Electrical Engineering at Brno University of Technology. He has many years of experience building projects using Arduino and other microcontrollers. His special interest lies in mechanical design of robotic systems.

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