The Mecanum wheel is a design for a wheel that can move a vehicle in any direction. It is sometimes called the Ilon wheel after its inventor, Bengt Erland Ilon, who came up with the idea when he was an engineer with the Swedish company Mecanum AB. It was patented in the United States on November 13, 1972.
What are Mecanum wheels? The Mecanum wheel is a specially designed wheel created specifically to allow movement in any direction as required in a holonomic drive. Although it is not the only type of wheel that can be used in holonomic drive systems, it is becoming more and more popular because of its ease of use and practicality. Sekizli has manufactured a forklift which has mecanum wheels, allowing it to move in any direction.For more info-https://www.facebook.com/SekizliMakVincAs/. Mecanum-wheel withomni-directional forklifts. In recent years, hobbyists and students in robotics competitions have intensified interests in Mecanum-wheel vehicles, fueled in part by reasonably priced Mecanum wheels from on-line venders 3, 4, 5. In this paper, the geometry of Mecanum wheels and rollers are first introduced. Omnidirectional technology (such as Mecanum wheels) can allow a forklift truck to move forward, diagonally and laterally, or in any direction on a surface. An omnidirectional wheel system is able to rotate the truck 360 degrees in its own footprint or strafe sideways without turning the truck cabin. One example is the Airtrax Sidewinder. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators.
It is a conventional wheel with a series of rollers attached to its circumference. These rollers typically each have an axis of rotation at 45° to the plane of the wheel and at 45° to a line through the centre of the roller parallel to the axis of rotation of the wheel. A typical configuration is the four-wheeled one of the URANUS omni-directional mobile robot or a wheel chair with Mecanum wheels (similar to that pictured). By alternating wheels with left and right-handed rollers, in such a way that each wheel applies force roughly at right angles to the wheelbase diagonal the wheel is on, the vehicle is stable and can be made to move in any direction and turn by varying the speed and direction of rotation of each wheel. Moving all four wheels in the same direction causes forward or backward movement, running the wheels on one side in the opposite direction to those on the other side causes rotation of the vehicle, and running the wheels on one diagonal in the opposite direction to those on the other diagonal causes sideways movement. Combinations of these wheel motions allow for vehicle motion in any direction with any vehicle rotation (including no rotation at all).
The US Navy bought the patent from Ilon and put researchers to work on it in the 1980s in Panama City. The US Navy has used it for transporting items around ships. In 1997, Airtrax Incorporated and several other companies each paid the US Navy $2,500 for rights to the technology, including old drawings of how the motors and controllers worked, to build an omnidirectional forklift truck that could maneuver in tight spaces such as the deck of an aircraft carrier. These vehicles are now in production.
Tracked vehicles and skid steer vehicles utilize similar methods for turning. However, these vehicles typically drag across the ground while turning and may do considerable damage to a soft or fragile surface. The high friction against the ground while turning also requires high-torque engines to overcome the friction. By comparison, the design of the Mecanum wheels allows for in-place rotation with minimal ground friction and low torque.
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The company started trading in 2014, we continue to improve our products, develop new wheels, so far we have a complete wheel supply chain system.
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