A4WD3 Mecanum

Version 18.1 by Eric Nantel on 2021/11/12 14:35

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Table of Contents

Description

The Lynxmotion A4WD3 Rugged Rover is a general purpose mobile robotic platform. The frame is intended to be used in three configurations: 4WD; Mecanum & Tracked, and variations of each platform include without electronics (so developers can integrate their own parts); an RC version and microcontroller-based for autonomous or semi-autonomous use.

The machined aluminum frame integrates rotary seals around each motor shaft, and solid rubber cord between the frame and all panel openings, making it dust and water resistant. A large marine inspection hatch on the top panel provides easy access to internal parts as well as being able to quickly swap or recharge batteries. Aside from the internal electronics mounting plate, the platform is symmetric and can be inverted.

The rover includes four powerful 12V DC motors coupled to 27:1 all metal planetary gears. The rear shaft of each motor is equipped with a magnetic encoder which provides 12 pulses per revolution (PPR). These motors provide 4WD and allow the rover to reach a top speed of around 3m/s (120”/s) without payload. 

Front and rear access panels are made of G10 composite and are intended to allow users to machine openings to add their own components, which may include a wired tether for power and control, LED or LCD feedback, a handle, or whatever else their application may need. Included are a pair of transparent polycarbonate panels which allow for an internally mounted camera and/or or LED lights for increased visibility. Additional panels are available separately.

Features

  • 4x planetary geared DC motors (12V) with rear encoders
  • Machined aluminum frame with G10 composite plates
  • Shaft seals & solid rubber cord for water and dust resistance
  • Internal mounting plate for electronics & battery

Specifications

  • Water and dust resistant frame
  • 12V, 27:1 planetary gear motors with metal gears
  • 8mm diameter, D-shaped motor shaft
  • Rear shaft magnetic encoder: 5V square wave AB 90 deg, 12 PPR, 800kHz
  • Frame length (external): 
  • Frame width (external): 
  • Frame height (external): 
  • Weight: ___ lbs / ____ Kg

Quickstart Guide / Assembly

A4WD3-KT.PNG

A4WD3 Frame Only Rover KIT steps:

Dimensions

Tools Needed

  • hexs

What's Included

Wheels
2x A4WD3-W-ME-A2x A4WD3-W-ME-B    
Mecanum AMecanum B    

    
A4WD3 Parts
2x - A4WD3-FP2x A4WD3-SP1x A4WD3-TP1x A4WD3-BP1x A4WD3-EP2x A4WD3-FA-L
Front PlateSide PlateTop PlateBottom PlateElectronic PlateLarge Access

4x A4WD3-FA-S4x A4WD3-FA-S-Clear

6x A4WD3-H-G-6IN

   
Small AccessTransparent AccessHatch Gasket   

   
ScrewsNutsWashersStandoffs
60x SHS-1654x SHS-178x CPS-034x SHS-196x FHS-026x SLN-05
SHS M3 x 5mmSHS M3 x 10mmSet Screw M3 x 10mmM12 x 12mmM5 x 12mmM5 Lock Nut

4x LW-0110x AHS-22-BA12x M5x55-SH   
M12 Lock WasherAluminum M3 x 10mm StandoffM5 x 55mm   

   
Miscellaneous
4x A4WD3-OS-16x8ORING-2MM1x A4WD3-H-6IN20x ZIP-TIE-7IN2x VCS-09 
8mm Oil SealO-Ring MaterialMarine 6" HatchCable Ties 7"Velcro Strap 

 
Tubing & Hubs
4x A4WD3-WH4x A4WD3-WA    
Wheel HubWheel Adapter    

    
Brushed DC Motors
4x 36GP-555-27-EN     
12V Gear Motor     

     
Wiring
WH-XT60-XT30-014x SC-01    
Power HarnessServo Cable 12"    

    
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Created by Eric Nantel on 2021/07/28 07:39
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