Mecanum Wheels

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Mecanum Wheels

Mecanum wheels allow savvy robot designers to create drivetrains capable of moving in any direction using a standard chassis shape. Simply power each wheel with a different motor and change the directions the wheels spin to get your robot to move in different directions!

Mecanum wheel assembly hardware is separate from sprocket mounting hardware. Sprockets are screwed into captive 8-32 standoffs. This allows for easy removal and replacement of sprockets without disassembling the entire wheel. No more worrying about your whole wheel falling apart just because you wanted to remove the sprocket.

These mecanum wheels were designed from the ground up to give the smoothest ride possible. Our construction method allows for a constant contact patch with a narrow profile. Each roller is tailored for the individual wheel diameter, and provides the correct, constant radius. We don't share rollers between wheel types -- these wheels aren't "almost round" -- they're actually round! This smooth-ride provides higher efficiency and reduces wasted power. This is especially important in mecanum drivetrains to provide smooth holonomic motion without high motor current draw.

VEXpro Mecanum Wheels are manufactured from Glass-filled Nylon, with ABS-PC roller mounts and rubber rollers.

6" & 8" Wheels ship fully assembled. 4" Wheels require assembly.

Availability: In stock

OR
Product Name Availability Price Qty
4" Mecanum Wheel - Left
217-3645

In Stock

$29.99
4" Mecanum Wheel - Right
217-3644

In Stock

$29.99
6" Mecanum Wheel - Left
217-2799

In Stock

$49.99
6" Mecanum Wheel - Right
217-2586

In Stock

$49.99
8" Mecanum Wheel - Left
217-2801

In Stock

$69.99
8" Mecanum Wheel - Right
217-2587

In Stock

$69.99

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Description

Details

Mecanum Wheel Update

The 4" and 6" Mecanum Wheels have been updated for the 2015 season. The differences include a co-molded single bushing and a new co-molded spring steel tab (seen in the image below as brown and green, respectively). Rollers with the internal improvement can be identified by the wider base tab outlined in green below. Please contact prosupport@vex.com with any questions or concerns.



A set of new-style 6" Mecanum Wheels were endurance tested on the 2015 FIRST ® Robotics Competition field to see how they handled the scoring platform bumps. After 4+ hours of drive time, the only damage to the wheels was worn rubber on the rollers.


Material Type
  • Body - Glass filled Nylon
  • Roller Mounts - ABS-PC
  • Rollers - Rubber
  • Drawing
    Weight
  • 4" Mecanum Wheel - 0.55 lbs
  • 6" Mecanum Wheel - 1.25 lbs
  • 8" Mecanum Wheel - 1.90 lbs
  • Other Info
    Coefficient of Friction: 1.0

    Mounting Holes: (6) 8-32 threaded mounting holes (into captive standoffs) on a 1.875" bolt circle

    Bearing Hole: 1.125" OD Bearing Hole

    Bearing Retainers: (3) 0.130" holes (designed to self-tap with a #8 screw) on a 1.4" bolt circle

    Load Rating: Conservatively rated for use on 200 lb robots

    Mounting Hardware Guide
    • Mounting (1) Keyed or Hex VersaHub - 1/4" or 3/8" long screw
    • Mounting (1) Plate Sprocket and (1) Sprocket VersaHub - 1" or 1.25" long screw
    • Mounting (2) Plate Sprockets and (2) Sprocket Versahubs - 1.5" or 1.75" long screw
    CAD Files