What is ball caster used for?

What is ball caster used for?

Ball casters can be used to handle angled working surfaces, moveable work tables, material holders, OR robot drivetrain components. We’ve used casters like this for years on small robot platforms just like the Skitter.

What is a ball caster wheel?

Ball casters feature self-lubricating acetyl resin bearing. Ideal for use as new or replacement chair and furniture casters. These casters also perform well on store displays, medical equipment and office equipment. Ball caster model construction features a die-cast zinc body and wheel.

How are ball casters measured?

The diameter is measured with the wheel lying flat on its side, and with a measuring device measure from one side of the wheel to the opposite side. If the wheel is 8”, then the caster is considered a 8” caster. It’s important to make sure the measuring device passes over the center of the wheel.

How do ball casters work differently from wheels?

The wheel is limited in that it only spins on a single axis. It can only roll in one direction at a time. Casters incorporate wheels into their designs, but they are a bit more sophisticated. A caster includes the mounting system that holds the wheel in place.

What are ball casters used for?

Ball casters have various load capacities, wheel diameters, and wheel tread widths. Since they are often used to support furniture, ball casters are often used in units of four or more. Ball casters are suitable for a variety of environments including in offices and homes, health care, manufacturing, and food service applications.

What is the difference between industrial units and ball casters?

These units have larger ball diameter-to-weight ratios than industrial units, giving your robot the ability to drive over larger obstacles without adding too much weight. These ball casters are intended for robots weighing up to a few pounds.

What kind of ball is used in Pololu ball casters?

Pololu ball casters with plastic and metal balls. Ball diameter from left to right: 1″, 3/4″, 1/2″, and 3/8″. Our ball casters (often called ball transfers when used with the ball facing up) are great third contact points for small differential-drive robots.

What is a shopping card caster?

A shopping card caster (also seen for example on office chairs) has a wheel on a rotating base. The Hi, I am building a robot which has to stand a certain loading condition where 100 kg of weight is going to be added on top of it. The robot will have six wheels, four of them being casters and the remaining two being motor-driven wheels.

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