What Are Pneumatic Tires? Understanding Their Meaning | Carlisle TyrFil
There can be no denying that the tires used by heavy equipment are integral to their safe and efficient operation. But how much do you really know about the tires your machines are fitted with? One type that offers many benefits to a range of industries is pneumatic tires. If you’re wondering exactly what they are and how they work, you’ve come to the right place.
For more than 50 years, Carlisle TyrFil has been recognized as the leading global supplier of polyurethane tire fill and productivity technologies for off-the-road equipment tires, OEM, and aftermarket. Contact us today to discuss your pneumatic tire needs in more detail.
What Are Pneumatic Tires?
A pneumatic system transmits force and energy via pressurized air (or gas, such as nitrogen). Another name for a jackhammer, for example, is a pneumatic drill because it uses compressed air to quickly move the metal point up and down. The job of a tire, however, is completely different. Airless tires, or non-pneumatic tires, are designed for small vehicles like lawnmowers.
There are two kinds of pneumatic tires on the market:
When we refer to air-filled pneumatic tires, what we’re really saying is that they’re filled with pressurized air. The outside of the tire is composed of thick tread-molded rubber (which has typically been reinforced by steel belting) with layers of rubber-coated polyester (known as ‘piles’) underneath. Inside the tire is an airtight core that has been filled with pressurized air. These tires incorporate a rubber inner tube to hold air. They can be punctured, leading to a flat tire. These tires are similar to standard car and truck tires. Air pneumatics emphasize their air-filled structure and cushioning capabilities.
Solid pneumatic tires, on the other hand, are made of solid 100% rubber. This makes them more expensive than their air-filled counterparts, but it has given them a reputation for being more ‘puncture-proof’. Solid cushion tires are a hybrid option combining characteristics of both pneumatic and solid rubber tires. Foam-filled pneumatic tires are filled with a foam that hardens, providing some cushioning.
Semi pneumatic tires are inflated yet feature a solid construction, making them distinct from traditional pneumatic tires.
Pneumatic rubber tires are widely used in industrial equipment like forklifts and aerial lifts.
John Boyd Dunlop’s contributions to the development of pneumatic tires for bicycles in 1888 significantly improved ride comfort, traction, and safety, ultimately revolutionizing the automotive industry.
Definition and Types of Pneumatic Tires
Pneumatic tires are a type of tire that uses compressed air to support its structure. These tires are commonly found on various vehicles, including forklifts, tractors, and hand trucks, due to their robust design and excellent shock absorption capabilities. The strong rubber treads of pneumatic tires make them suitable for both indoor and outdoor applications, providing a smooth ride over different terrains.
There are two main types of pneumatic tires: air pneumatic tires and solid pneumatic tires. Air pneumatic tires are filled with compressed air, much like the tires on passenger cars. This air cushioning allows for superior shock absorption, making them ideal for applications where a smooth ride is essential. On the other hand, solid pneumatic tires are constructed entirely of rubber, offering enhanced puncture resistance. While they may not provide the same level of ride comfort as their air-filled counterparts, solid pneumatic tires are highly durable and less prone to damage from sharp objects.
How Do Pneumatic Tires Work?
Regardless of whether you’ve opted for air-filled or solid tires, their function is similar. The air pressure inside of the tire is greater than the atmospheric air pressure. This means that the tire can easily carry loads without going flat or losing pressure. Additionally, the tire’s ability to absorb surface unevenness is crucial for applications like construction vehicles and forklifts, as it enhances stability and performance on challenging terrains.
When dealing with air-filled pneumatic tires, you will need to ensure that the tire pressure is correct to enjoy these benefits. This means that the tires will need to be checked and topped up periodically. It is also important to select the correct tire type for specific equipment to ensure machine stability and safety on worksites.
An alternative to this is to replace the air inside your tires with a No Flat solution, such as TyrFil Flatproofing. This is a polyurethane liquid that is pumped in through the valve to replace the air. The tire is then pressurized using the urethane and, within 24 to 48 hours, it has cured to form a synthetic elastomer core that never goes flat.
What are the Benefits of Pneumatic Tires for a Smoother Ride?
When working with heavy equipment, from forklifts and baggage carts to front-end loaders and trenchers, pneumatic tires can offer several benefits. The main ones include:
- Shock Absorption
Did you know that bumps and jolts from uneven ground can cause shock to any load that’s on wheels? It can cause things to fall or even become dislodged, which can be problematic for your equipment once it reaches the other end. Pneumatic tires provide better traction on various road surfaces and terrains.
- Reduction in Noise Pollution
Due to the type of rubber used for these tires and the shock resistance in place, very little (if any) noise is produced. This can help to improve working conditions for your operators and other workers, as general volume levels will be lowered.
- Floor Protection
The natural give and softer rubber used for pneumatic tires make them a great choice for equipment that is used primarily indoors. They won’t cause scratches, divots, or other damage to flooring surfaces. They also don’t leave unsightly black marks. Cushion tires are ideal for indoor use on flat surfaces like concrete and asphalt. Cushion tires perform best on smooth surfaces.
- Suits Multiple Environments
Did you know that a wide variety of tread patterns are available for these tires? This means that there is a solution to suit every kind of work environment, from off-road sites to pavement or even a combination of the two. Just ensure that you choose an appropriate tread. While operators might be familiar with car tires, industrial tire maintenance is more complex. Cushion tires are beneficial for indoor use, offering a smaller turning radius and low maintenance. Pneumatic tires are effective on rough terrain. Thicker tread provides reliable traction and comfort over rough terrains. Rubber tires filled with compressed air are essential for stability on uneven terrain.
- Reduced Downtime
As it’s virtually impossible for the tires to go flat, even if they’ve been cut into or punctured, there’ll be reduced downtime for your equipment as you won’t need to replace your tires. Not only will this ensure that projects are completed faster, it will save you money. Selecting new tires and offering maintenance tips can ensure they last longer. Foam-filled tires are a hybrid solution between air-filled and solid rubber tires. Checking tire tread wear and depth during tire inspections is crucial. Foam-filled tires replace air with a solid foam, making them puncture-proof.
- Smoother, More Comfortable Ride
Keeping your operators safe and comfortable is essential in all types of workplaces. Solid shock is a leading cause of operator injury and can occur when frequently driving over uneven surfaces. Pneumatic tires provide cushioning, shock absorption, and a smoother ride.
Comparison to Non-Pneumatic Tires
Pneumatic tires stand out from non-pneumatic tires primarily due to their ability to absorb shocks and provide a smoother ride. Non-pneumatic tires, such as solid rubber tires, lack the air cushioning that pneumatic tires offer. This means they do not have the same level of shock absorption, making them less suitable for applications where ride comfort is a priority. Non-pneumatic tires are often used in scenarios where a smoother ride is not necessary, and durability is more critical. However, for environments where uneven surfaces and rough terrains are common, pneumatic tires excel by absorbing shocks and ensuring a more comfortable and stable ride.
Pneumatic Tires vs. Flat Free Tires
When comparing pneumatic tires to flat-free tires, several key differences emerge. Pneumatic tires, filled with compressed air, are known for their superior traction and ability to provide a smoother ride. However, they are more susceptible to punctures, which can lead to downtime and maintenance issues. Flat-free tires, made of solid rubber, are virtually puncture-proof, offering a durable and low-maintenance alternative. While they may not match the ride comfort of pneumatic tires, flat-free tires are ideal for applications where puncture resistance and durability are paramount. Ultimately, the choice between pneumatic and flat-free tires depends on the specific needs of the application, balancing ride comfort, traction, and maintenance requirements.
Applications of Pneumatic Tires
Pneumatic tires are incredibly versatile and find applications across various industries, including construction, industrial, and recreational settings. They are commonly used on forklifts, tractors, and hand trucks, providing excellent shock absorption and traction for both indoor and outdoor use. In the automotive world, pneumatic tires are standard on passenger cars, motorcycles, and bicycles, where their ability to absorb shocks and provide a smooth ride is highly valued. Whether navigating rough terrains on a construction site or ensuring a comfortable ride on a city street, pneumatic tires are designed to meet the demands of diverse environments.
Pneumatic Wheels and Maintenance
Pneumatic wheels are designed to complement pneumatic tires, enhancing their ability to provide a smooth ride and excellent traction. To ensure the longevity and optimal performance of pneumatic tires and wheels, regular maintenance is crucial. This includes checking tire pressure, rotating tires, and inspecting for signs of wear and damage. Proper inflation is essential, as it helps maintain the tire’s ability to absorb shocks and provide a comfortable ride. Tire manufacturers recommend checking tire pressure at least once a week and before long trips to ensure safety and performance.
In addition to maintaining proper air pressure, regular tire rotation can help prevent uneven tire wear, extending the life of your pneumatic tires. Inspecting tires for damage and replacing them when necessary is also vital to avoid unexpected failures. By following these maintenance practices, you can ensure that your pneumatic tires continue to deliver excellent performance and reliability in various applications.
Let Carlisle TyrFil Do The Heavy Lifting on Rough Terrain
Although pneumatic tires in general are incredibly beneficial on worksites of all kinds, opting for a No Flat solution like Carlisle TyrFil will really take your operation to the next level. Get in touch with our team today for more information on our various flatproofing solutions or to find a dealer so that you can make the switch for your heavy equipment.
