Neoprene has been considered a durable and chemically stable material but there are a few disadvantages associated with them e.g. Neoprene rubber, a replacement for natural rubber, is the common material used in the making of serpentine belts. Serpentine belts are made of high-quality rubber. Timing belts made with rubber are quite common (especially in an internal combustion engine) and can be used in a variety of conditions.īoth natural and synthetic rubber have been used in the making of timing belts and neoprene (a synthetic rubber) has been a quite common material due to its ability to endure severe temperature changes and maintain its flexibility. The selection of material is made based on different conditions such as temperature, amount of power to be transferred, and nature of the application.ĭifferent materials are used in the making of timing belts such as rubber, polyurethane, and fabric. The serpentine belt on the IC engine with alternator and idler pulleyĪ timing belt is usually made of rubber but the material of a timing belt can vary from application to application. It has an intertwining shape like a serpentine (snake) which helps the serpentine belt to achieve a high wrap angle and the appropriate amount of tension. In actuality, serpentine belts are the updated version of V-belts and one can notice that old vehicles had multiple V-belts to operate alternators, air conditioning systems, power steering, etc.Ī serpentine belt replaces multiple V-belts and is quite longer than a normal V-belt. Unlike a timing belt, a serpentine belt has multiple V-grooves that travel along the length of the belt. are also kept under consideration for the designing of a timing belt.įurthermore, positive engagement between belt teeth and pulley groove teeth is achieved in the case of the timing belts to enable them to transfer higher torques and eliminate slippage. A few other important factors such as stress concentration, backlash, noise, etc. The shape or the design of the toothed side of the timing belt is usually selected after the estimation of the power that a bneedsneed totheetransferr. The toothed side of the timing belt can have a trapezoidal, curvilinear, or modified curvilinear shape. Several types of belts are used in an internal combustion engine that depends upon the type of engine and the amount of power to be transferred. Design comparison for serpentine belt vs timing beltĬomparing the design in the serpentine belt vs the timing belt case makes it very clear how they are different from each other. The serpentine belt is also given different names such as alternator belt, fan, accessory drive belt, etc. When the engine is turned on, the crankshaft pulley rotates the serpentine belt which in turn rotates all the engine components connected to it.Ī properly working serpentine is quite important for the appropriate functioning of all the aforementioned components. Similarly, a serpentine belt is used to transfer power from the crankshaft to the other motor-driven parts of the engine such as power steering, alternator, water pump, air pump, and air conditioning system. Movement of the crankshaft and camshaft must be well synchronized in an engine and the overall combustion quality, quantity of fuel being supplied for the combustion, and power output of an engine are strongly dependent upon the proper working of a timing belt. A timing belt is an important component of an internal combustion engine that connects the crankshaft with the camshaft to operate the exhaust and intake valves of the engine. The belts are primarily designed to transfer power from one rotating part of a machine to another part that needs to be rotated. Working of timing belt and serpentine belt We have developed a comprehensive article on timing belts vs serpentine belts to make you comprehend the basic difference between serpentine belts and timing belts. They are different in there work design, material, life, and importance. Timing belt and serpentine belt are so closely related that most people get confused and usually consider both the same. Each work closely with other engine parts to enable the smooth and perfect working of IC engines. Both of these belts are an important part of an internal combustion engine. Serpentine Belt vs Timing Belt ? what they do and how they are different.
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