A caster is a simple wheel mounted on a fork so that the axis of the wheel rotation offsets slightly in relation to the mounting. The simple engineering concept helps the wheel to always be behind the shaft in respect to the direction of movement. Due to this ability to rotate or swivel around, it is possible to turn an object around its axis thus can be useful in cluttered spaces. The heavy duty casters have found their applications in the transport carts, aerospace building, ship and heavy industries too.
The caster construction material is primarily responsible for giving its chief properties that are strength and durability. Steel made casters are the ones most preferred when it comes to the heavy duty applications since they can provide required weight carrying capacity, mechanical strength. Therefore, one should look for the caster made from the materials that can service the purpose required.
One should also consider if the caster to buy is a swivel or rigid. Swiveling is the ability for the gear to rotate on its axis over a few degrees to a whole turn. Rigid casters are more likely to be used in the heavy duty applications since they provide much steady movements. The swiveling comes in handy in some applications since they help ease movement in cluttered space for they can make easy turns.
During movements of any wheeled vehicle, at a certain critical speed the wheels tend to wobble. This is caused by the speed, weight borne by the vehicle and the trailing distance which is explained as the length between the axle and steering axis. This fluttering can cause issues in control therefore would pose a problem in bigger machines. Therefore, it is important to have information on speed limits on each caster in order to avoid accidents that may arise when the machine lose control.
Caster design improvements are important to making them more effective, efficient and improving on safety. These enhancements can be the toe guards to help protect being run over, steering and braking for better control, track wipes to ease movements and swivel locks to avoid derailing. Without the above improvements, they have been injuries reported after long use due to the vibration, back pains due to poor controls among other effects.
The caster wheel size; diameter, width and tandems affects their efficiency and working. A wider width caster wheel has more load capacity since it can distribute the weight over a larger surface area than a narrow wheel. A bigger wheel diameter proves to be much better to use in the rough and irregular surfaces since it can be able to bridge easily over than smaller wheels.
The working conditions of a caster put to a limit and restriction of certain material and their service time. Exposure to chemicals and liquids calls for a caster that is inert and can work in such harsh conditions, more loading calls for more strong casters. Also the amount work dictates that the caster be of durable material in order to service the purpose.
Also the type of caster wheels are dictated by the type of surface or rail being used. When using rails, tapered casters wheels, v-shaped and u-shaped caster wheels are used. For the flat surfaces, flat caster wheels are employed and they can be padded ob tired. This is usually in a bid to reduce vibrations caused and damage to the surface or floor.
The caster construction material is primarily responsible for giving its chief properties that are strength and durability. Steel made casters are the ones most preferred when it comes to the heavy duty applications since they can provide required weight carrying capacity, mechanical strength. Therefore, one should look for the caster made from the materials that can service the purpose required.
One should also consider if the caster to buy is a swivel or rigid. Swiveling is the ability for the gear to rotate on its axis over a few degrees to a whole turn. Rigid casters are more likely to be used in the heavy duty applications since they provide much steady movements. The swiveling comes in handy in some applications since they help ease movement in cluttered space for they can make easy turns.
During movements of any wheeled vehicle, at a certain critical speed the wheels tend to wobble. This is caused by the speed, weight borne by the vehicle and the trailing distance which is explained as the length between the axle and steering axis. This fluttering can cause issues in control therefore would pose a problem in bigger machines. Therefore, it is important to have information on speed limits on each caster in order to avoid accidents that may arise when the machine lose control.
Caster design improvements are important to making them more effective, efficient and improving on safety. These enhancements can be the toe guards to help protect being run over, steering and braking for better control, track wipes to ease movements and swivel locks to avoid derailing. Without the above improvements, they have been injuries reported after long use due to the vibration, back pains due to poor controls among other effects.
The caster wheel size; diameter, width and tandems affects their efficiency and working. A wider width caster wheel has more load capacity since it can distribute the weight over a larger surface area than a narrow wheel. A bigger wheel diameter proves to be much better to use in the rough and irregular surfaces since it can be able to bridge easily over than smaller wheels.
The working conditions of a caster put to a limit and restriction of certain material and their service time. Exposure to chemicals and liquids calls for a caster that is inert and can work in such harsh conditions, more loading calls for more strong casters. Also the amount work dictates that the caster be of durable material in order to service the purpose.
Also the type of caster wheels are dictated by the type of surface or rail being used. When using rails, tapered casters wheels, v-shaped and u-shaped caster wheels are used. For the flat surfaces, flat caster wheels are employed and they can be padded ob tired. This is usually in a bid to reduce vibrations caused and damage to the surface or floor.
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