An automotive leaf spring is a form of spring that is commonly used
for suspension purposes in wheeled vehicles. Leaf springs were called
a carriage or laminated spring, and sometimes it was referred to as a
cart spring or semi-elliptical spring. Leaf spring system is one of
the archaic forms of springing, which dates back to the medieval
times. A leaf spring takes the form of an arc-shaped length of a
spring steel of the rectangular cross-section of the vehicle. In most
common configurations, the center of the arc formed offers location
for the axle, whereas the loops formed at either end of the arc is
used for attaching the spring to the chassis of the vehicle. For a
very heavy vehicle, a leaf spring may be prepared from several leaves
aligned on top of each other forming several layers, with
progressively shorter leaves. Leaf springs can serve many purposes
including locating, damping, and springing functions. Even though the
friction among the leaves offers a damping action, sometimes, it is
not well controlled and can result in stiction (static friction) in
suspension.
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The overall market for automotive leaf spring suspension is likely to
grow steadily during the forecast period. Rising demand for medium
and heavy commercial vehicles for freight transportation is one of
the key drivers for this market. Additionally, there is a rise in the
usage of light-, medium -, and heavy-duty vehicles in developing
countries due to the increasing preference for road transportation.
Road transport is preferred owing to factors such as limited freight
rail services as well as transporting containers because of poor
last-mile connectivity, lack of freight trains and high railway
freight in countries such as India and China for transportation of
cargo. This in turn is expected to encourage the market growth of
automotive leaf spring suspension systems.
Another trend that is projected to gain momentum in the global
automotive leaf spring suspension market is the use of leaf springs
(composite) in order to reduce the weight of suspension systems. Leaf
springs absorb the perpendicular vibrations caused by the barriers on
roads. Owing to their improved fatigue resistance and extraordinary
strength to weight ratio, these composites are perfectly suited for
various applications including leaf-springs. Moreover, since these
composite materials have interior damping, they aid in the absorption
of vibration energy into the material, thereby reducing the noise of
transmission, which makes them the best choice for the manufacturing
of automotive leaf springs.
The global automotive leaf spring suspension market can be segmented
by application and by region. In terms of application, the market can
be segregated into LCVs, M&HCV trucks, M&HCV buses, and
others. In 2016, the M&HCV trucks segment held the maximum market
share and the segment is likely to dominate the global leaf spring
suspension market during the forecast period. This growth is mainly
due to the extensive use of leaf spring suspension systems in these
vehicles by OEMs. Other factors include absorption of the upright
vibrations, thereby reducing the vibration noise of transmission.
This is expected to boost the development of this segment during the
forecast period.
In terms of geography, the global leaf spring suspension market can
be segmented into North America, Europe, Asia Pacific, Latin America,
and Middle East & Africa. Asia Pacific is likely to dominate the
global market due to progress in economic conditions, increasing
vehicle production, and rising investments by leading industry
players in the region. Growing adoption of road transport for cargo
services is likely to boost the overall leaf spring suspension market
significantly in this region.
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Key players operating in the global leaf spring suspension market
include EMCO, Hendrickson, Rassini, Jamna Auto Industries, FAW Group,
Dongfeng Motor, Olgun Celik, and Sogefi.
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