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What type of trolley castors will I need?

What type of trolley castors will I need?

Castors and wheels There are many sizes, shapes and capacities available for these types of trucks. You need to choose carefully and consider factors like the load, floor surface and loading weight. You could damage the floor, load or cause injury to the wheel or castor. This could put you and your employees at risk.

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There are many things to take into consideration: the maximum load, type castor, fixings and bearings, brakes, steering, etc. Are you unsure where to start?

These are the most important things to remember when you choose industrial trolley wheels and castors.

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Calculating the maximum load that your trolley can carry

This is the most crucial step in choosing the right type of wheel or castor. Failing to do this could result in your trolley not being safe to use. The first thing you need to do is calculate the maximum load your trolley can carry. Don’t forget to include the trolley’s weight. This is also known as the safe working load (SWL), or working load limit (WWL).

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Once you have established the load capacity for each wheel, you can calculate it.
To get an idea of the load capacity for each castor that will be attached to the trolley, divide the total weight by 3.
If you need a trolley 4×4 to transport a maximum load of 400Kg and weigh 50Kg, each wheel must have a minimum weight of:

400KG+50KG =150KG SWL for each wheel or castor minimum 3.

What diameter castor wheel do I need?

The bigger the wheel, the easier it is to push the trolley over uneven surfaces with minimal impact on it. Even if you believe you only need small wheels, it is best to get the largest possible wheel for safety and performance.

What are the types of castor wheels available?

Different applications and surfaces will require a different type castor wheel.

* Rubber wheels
Concrete timber, vinyl and tiled floors are the ideal surface types
Rubber wheels are quiet, non-marking and shock-absorbing. These wheels are durable and strong, and are ideal for both horticultural and agricultural applications.

* Polyurethane wheels
Ideal surface type: Tiled floors and concrete floors.
Polyurethane is known for being a tough material. The wheel can be made entirely of polyurethane, or it can have a mixture of a polyurethane inner with a metal centre or nylon. They are long-lasting, durable and provide a cushion of shock between your products and the ground.

They are not suitable for high temperatures as their durability will be compromised (they can’t withstand heats of more than 230 degrees).

* Nylon wheels
The ideal surface type is hard, smooth surfaces with outside/wet environments

Nylon wheels have been widely used in industry, specifically material handling. They are durable, non-marking and low in rolling resistance. They can be used on any smooth surface.

* Cast Iron wheels
Ideal surface type for heavy-duty industrial environments

These wheels are ideal for heavy-duty applications. Cast iron wheels have a very high load capacity and are great for industrial environments. Cast iron wheels can withstand extreme temperatures (-30 to 300°F) without the need for a tyre.

* Aluminium wheels
Use in bake ovens, smokehouses and chillers.

They are also suitable for extreme temperature environments and industrial applications. It is worth noting, however, that they are lighter than cast iron wheels.

What type of fixing will I need?

You have two options when it comes to fixing your vehicle:

1. Bolt Hole
This fixing involves pushing an internal thread through the bolt hole in a swivelhead and screwing it into a bracket that attaches the equipment to be moved. There are many options for stems: expandable pintles, standard pintle bols in various sizes, threaded tube inserts, grip necks, and friction stems that can be used with narrow tubes.

2. Type of Plate
These fittings are best suited for heavy loads with a flat bottom. They can be bolted or welded to the product. You can match your replacement plates with the standard sizes of plate fixings.

What is the difference between fixed and swivel castors?

– Swivel castors
Swivel castors are easy to steer and provide great maneuverability for your trolley. They can turn 360 degrees and can handle quick changes in direction.

Fixed castors
Fixed castors are wheels that have a fixed orientation and are mounted in a bracket. These wheels cannot be steered but can move loads straight up and down.
Both fixed and swivel
Combining fixed and swivel castors allows for trolleys to be easily moved with greater control.
A combination of swivel casters and rigid casters is possible – particularly if you need to change the direction or move back and forth quickly. You can have one type at each end of your trolley. Examples of this are shopping trolleys found in supermarkets.

– What bearing do I require?
Different bearings enable a trolley’s movement from a standing position to a moving one. This is especially important as heavier loads are carried.
Bearings allow trolley movement and reduce friction between the parts. Bearings are a mechanical component of the wheel that supports the movement and reduces friction.

There are many types of bearings. The most common ones are:

* Plain: These are a tube that rotates on the axle of the wheel. They are great for lighter loads, or in areas with high temperatures or corrosive environments.
* Needle or Roller bearings: Designed to withstand high impact, reduce roll resistance, and can be used in heavy-duty applications.

* Ball bearings are the most common type. They can be used wherever heat can build up and cause friction.

Are there any brakes that I will need to use on my wheels?

Brakes are an additional feature on most trolleys that is added to the swivel casting. They can be operated by foot and are triggered by applying a spring-loaded “chock” to the wheel’s surface, which stops it from turning.

It is not always necessary but it is worth considering if your trolley will be used on a surface that is uneven or sloped.

You can get help choosing the right castors for your trolley by contacting us. Contact us today We’d love to help.mailto

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