Coupling is a
machine element that attaches two mechanical shafts together by their
ends for power transmission. It is primarily used to assist rotating
machine components such as motors for driving conveyor belts.
Couplings
are also used to connect and disconnect various fluid systems such as
oil, gas, air, and chemicals, and powder systems. Couplings prevent
shafts to get disconnect during operation while some torque limiting
couplings can restrict rotating motion when a specific torque limit
is surpassed. Couplings also permit some degree of end movement or
misalignment or both. Therefore, careful selection and installation
of couplings that reduce downtime and maintenance cost offers cost
advantages. Unlike the traditional nut and bolt joints, couplings are
oil and lubricant free; they are light in weight, offer high torque,
easy to mount and dismount, allow high range of misalignment and
offers high resistance to environmental conditions. Couplings are of
two types; flexible couplings that permit misalignment and rigid
couplings that hold shafts precisely and firmly and do not permit
misalignment.
Couplings find wide
applications in industries such as oil industry, natural gas
industry, water treatment companies and chemical industry.
Additionally, the market has witnessed increase in adoption for
coupling in gas pipe construction industry. However, increasing cost
of labor and deteriorating exports are factors responsible for
alteration of the couplings market globally. With industries
worldwide focusing majorly on improvement of energy efficiency, the
demand for couplings is likely to witness growth traction in near
future. Additionally, strategic expansions pertaining to the coupling
market in the MINT nations (Mexico, Indonesia, Nigeria and Turkey)
are likely to provide higher growth opportunities. However, product
technology of industrial couplings has matured and therefore
customers seek value additions as a key purchase criterion for
couplings. Moreover, lack of new application potentials of the
industrial couplings is hindering the market growth.
The coupling
industry has witnessed innovations in product technology. Some of the
major trends that this industry follow include developing couplings
that require less space, usage of low weight materials with better
inertia qualities for manufacturing couplings. Optimized disc springs
and usage of wear free materials also play an important role while
designing couplings.
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The growth of the
global coupling market in developed economies is likely to witness a
slower growth over the forecast period. The restricted capital
expenditures across various end user industries such as the
manufacturing and oil and gas industry, has considerably constrained
the market growth. However, the demand in emerging nations such as
India, China, Russia, Brazil and the Eastern European countries is
anticipated to boost market growth. This is mainly due to the fact
that, these regions have become the global centers of the
manufacturing industry. The material handling sector in Middle East
and the mining industry in Africa are also expected to be the fastest
growing regions for couplings in near future.
Some of the Major
Players in the global coupling market are Altra Industrial
Motion Corp., Colossus, Dandong Colossus Group Co., Ltd., Daido
Precision Industries Ltd., Emerson Electric Co., Industrial Clutch
Parts Ltd., John Crane Ltd., KTR Kupplungstechnik GmbH, Chr. Mayr
GmbH & Co. KG, Siemens AG, Unique Transmission Private Limited
and Voith Turbo GmbH & Co. KG.
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