In certain circumstances like when the wheel is just one part of the caster, people use the terms “wheel” and “caster” interchangeably.
A caster is a device containing wheels that are attached to the bottom of large objects like furniture, trailers, trucks, etc. And it can move objects faster and easier.
Casters are used to pull and push objects instead of carrying them.
Since ancient civilization, wheels has been used in the carry of large objects. Centuries later in 1876, the casters were first patented by a man named David A. Fisher. And the caster was originally designed for furniture.
When they were first invented, casters were mainly used for industrial purposes because they were very heavy. With their development, casters were made only with glass or leather to reduce sliding damage to wooden floors.
Casters today are still made from glass and leather. But there are many other materials, from plastic to iron, or anything in between, such as aluminum, stainless steel, rubber, or nylon. Now the design of casters also includes many functions like brakes, direction locks, shock absorption and high temperature resistance.
Rigid casters:
Swivel casters:
Industrial casters:
Braking and locking casters:
NCT50-053BH Office Chair Caster
NCT50-61G Office Chair Caster
NCT50-101W Office Chair Caster
We have distinguished the different types of office chair casters available, which can be made of many types of plastics and metals.
The split movable casters are mainly the caster bracket and the caster wheels. And they will correspond to the three major production process parts respectively.
(1) injection molding part (movable wheel part)
Bake material > cutting > injection > out wheel > trimming > cooling > install bearing
(2) hardware part (caster bracket part)
Blowing > Profiling > Drilling > Forming > Heat Treatment > Plating
(3) Assemble casters
Assembling the movable casters and the caster brackets together will use some parts. After the quality inspection, the casters are packed, packed into boxes, put in storage, and sold out.
In short, the above caster production process is not only suitable for movable casters, but also for fixed casters. The difference lies in the design of the caster bracket and the caster structure. But the specific caster production process is basically the same.
It is worth noting that the quality inspection equipment of casters and the quality inspection process of casters are important aspects to ensure the quality of casters.
For the use, you need to clean and lubricate them to keep the chair rolling smoothly.
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