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What is the use of caster wheel?
A caster (or castor) is an undriven wheel that is designed to be attached to the bottom of a larger object (the “vehicle”) to enable that object to be moved. Casters are used in numerous applications, including shopping carts, office chairs, toy wagons, hospital beds, and material handling equipment.
Where do you put casters?
Place the swivel casters at each corner and rigid casters at the halfway point of the longest side. If you place rigid casters that are a little larger than the swivel casters then you will be able to turn your item by balancing on the central casters with the corner casters up off the floor.
Why do casters wobble?
If the caster is not aligned well with the ground, it will flutter. Misalignment can be caused if the installation is improper or the legs of the caster have been damaged or bent. In most cases, usage of the caster wheel at high speeds will cause it to flutter.
How old is the oldest caster wheel?
Moving large items with wheels has been around since the early existence of ancient civilization. Then many centuries later in 1876, casters were first patented by a man named David A. Fisher, whose invention was initially designed for furniture.
What do you need to know about a caster?
– Swivel radius: The minimum clearance required for a swivel-type caster to rotate a full 360°. – Height: The vertical distance between the bottom of the wheel and the caster’s mounting plate or flange. – Load rating: The load a caster is designed to carry on a continuous basis. – Locking: Single-locking casters lock the wheel.
Why is it important to select the right caster wheel?
Selecting the right caster wheel for your application is very important. If you do not select the right caster, your workers can be injured when using the equipment. Remember that the greater the load, the larger your caster wheel should be. Generally, larger wheels distribute weight more evenly and roll easily.
What kind of material are caster wheels made of?
Caster wheels are offered in a wide variety of materials, sizes, and hardness. Materials commonly used to make wheels include plastic, metal, rubber and polyurethane. The selection of wheel material depends on a number of application specific factors such as: Exposure to chemicals or other liquids
Which is an example of a swivel caster?
A good example of a swivel caster is the General Duty Caster from Shepherd. This caster has a zinc finish and is RoHS compliant. It also has a nickel-plated kingpin for a smoother swivel. This caster has been used for material-handling equipment, industrial equipment, and moving furniture.