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What is the Omnidirectional Wheels or Omni Wheels

Omni Wheels

Omni Wheels ( Omnidirectional Wheels ) History

100mm Omnidirectional Wheel (Brass Bearing for Rollers)

The wheel was first patented in 1919 by J. Grabowiecki.

US patent 1305535, J. Grabowiecki, “Vehicle wheel”, issued 1919-06-03

A variant of the wheel was patented by Josef F. Blumrich in 1972.

US patent 3789947, Josef F. Blumrich, “Omnidirectional wheel”, issued 1974-02-05

Blumrich claimed that the design is described in the Book of Ezekiel as a component of a spacecraft created by extraterrestrial life, which is why the wheel is sometimes jokingly called the “Ezekiel wheel”. The Spaceships of Ezekiel describes his process for the “discovery” and recreation of the Omni wheel as well as a traveling craft and its docking station.

A recent invention is the so-called Liddiard Wheel, which claims to be a superior omnidirectional wheel.

Omnidirectional Wheels or Omni wheel, similar to Mecanum wheels, are wheels with small discs (called rollers) around the circumference which are perpendicular to the turning direction. The effect is that the wheel can be driven with full force, but will also slide laterally with great ease. These wheels are often employed in holonomic drive systems.

A platform employing three omni wheels in a triangular configuration is generally called Kiwi Drive. The Killough platform is similar; so named after Stephen Killough’s work with omnidirectional platforms at Oak Ridge National Laboratory. Killough’s 1994 design used pairs of wheels mounted in cages at right angles to each other and thereby achieved holonomic movement without using true omni wheels.

They are often used in intelligent robot research for small autonomous robots. In projects such as VEX Robotics, Robocup and FIRST Robotics, many robots use these wheels to have the ability to move in all directions. Omni wheels are also sometimes employed as powered casters for differential drive robots to make turning faster. Omniwheels are often used to allow for movement on the horizontal axis on a drivetrain, as well as forward and backward movement. Usually, this is achieved is by using an H-drive.

Omni wheels combined with conventional wheels provide unique performance properties, such as on a six-wheeled vehicle employing two conventional wheels on a center axle and four omniwheels on front and rear axles.

CasterBot is an online retailer of Mecanum wheel, omni wheel, Caster Wheel, Robot Wheels and Motor coupling.

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.

Now, more than 5 years later, we’ve served hundreds of thousands of happy customers, many of whom come back time after time.

We pride ourselves with a commitment to the highest levels of customer service and technical support. Because of this, our customers include hobbyists and makers, students, academics, as well as institutions including universities and commercial companies.

Meet our small, but growing team, based at our offices and warehouse in Shenzhen, China.

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