Leaf spring is an essential part of a vehicle. Attached to the axle and wheel, it removes resistant force and maintains the balance of the vehicle. Heavy commercial vehicles including railway carriages, SUV’s, vans and trucks make use of this device.
Purpose of a leaf spring
Leaf springs are important in heavy vehicles, as they absorb the force due to braking and sudden acceleration, thereby ensuring a smooth ride. They control chassis rolling and axle dampening and provide protection to the vehicle from various lateral forces. The devices are important in heavy load carrying vehicles, as they help in distributing the load evenly rather than concentrating it on a single point in the vehicle.
A leaf spring is semi elliptical in shape and is composed of steel or other composite materials. They form a crucial part of the vehicle’s suspension system.
A leaf spring is a durable device but may damage with extensive use and on being exposed to corrosive materials and weather. Hence it is important to regularly check the devices for the following signs:
• Signs of damage, cracks and corrosion and rust.
• Sagging of the vehicle when load is place on it.
• Signs of wear in the bushings at points where the chassis is attached to the leaf spring.
These signs may indicate replacement is required for the devices.
Factors to consider while buying a leaf spring
While buying a leaf spring, it is advisable to consider the type and make of the vehicle. A spring may be different for various vehicles. Depending upon the type of vehicle, one of the following types of springs may be chosen:
• Fibre glass leaf spring
Fibre glass springs are lightweight since they are composed of resin and plastic fibres. These springs can reduce the vehicle’s weight and enhance its performance. However, the material used in these springs does not withstand road debris and heat. The fibre glass springs are primarily used in luxury cars.
• Multi leaf spring
A multi leaf spring consists of flat bars of varying lengths held together in a bundle with the help of clips and bolts. A multi leaf spring provides additional support and is hence suitable for heavy vehicles.
• Mono leaf spring
A mono leaf spring consists of a single steel plate. It is lighter than a multi leaf spring but offers lesser support.
• Parabolic leaf spring
A parabolic leaf spring is a combination of multi and mono springs. The parabolic curved design of the spring is derived by bundling a minimum of two steel plates. They are lighter than multi springs but offer better support than mono springs.
Buying a leaf spring online
Many people prefer buying a leaf spring online. The following factors may be considered in this regard:
• Evaluating the leaf spring manufacturer’s reputation to ensure buying the best quality devices.
• Seeking reviews regarding the company.
• Checking for cash back guarantees and customer support offered by the company.
A leaf spring is an important part in a vehicle. It is hence essential to wisely purchase the device.
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