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China High Quality Timing Belt Pulley Manufacturers, Suppliers - timing belt pulley

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Timing Belt Pulley

Timing belt pulleys are used to connect and synchronize the rotation between two shaft systems. Automobiles, for example, use a timing belt pulley component to link the cam and crankshafts. The gear body of the pulley is lined with teeth that ensure the shafts do not slip. By directly coordinating the rotary motion of each shaft, the engine valves are able to open and close in proper timing and sequence.

USED

What Is A Timing Belt Pulley Used For?

Pulleys are designed in a number of ways to meet various applications. Generally, a pulley belt is smooth and tasked with power transmission between components. The belt generates frictional force along the pulleyā€™s surface (often ribbed), causing rotation of the gear body. Traditional drive belts allow for asynchronous, variable speed operations. However, the ribbed, level surface introduces slippage and timing risks.

Timing belt pulleysĀ ā€“ also referred to as synchronous timing belt systems ā€“ are primarily used to align the motion of multiple gear shafts. Synchronous systems generally maintain a higher degree of longevity and emit less noise than gear or chain drive units.

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Different Types of Timing Belt Pulleys

timing belt pulley

Open Belt Drives

Drives wherein two parallel shafts rotate unidirectionally. Generally, sides of the pulley will be split into low tension (slack) on one end, and high tension (tight) on the other. The larger gear will bear the slack in order to generate more frictional force on the smaller gear.

Crossbelt Drives

Two parallel shafts rotate in opposing directions. The belt crosses over itself, generating friction at the center point of contact. Due to the inherent wear on the belt, these drives tend to be larger and low-speed..

Jockey Pulley Drive

Similar to an open belt drive, but with the implementation of ā€œidlerā€ pulleys. Open belt drives often have a low arc of contact, and struggle to sustain belt tension. The idlers interface with the belt between the driver and driven pulleys, increasing tension in the system and resulting power transmission.

How to Choose a Pulley Belt?

Synchronous pulleys may be used for:

  • Conveyance.Ā Applications such as conveyor belts, processing, packaging.
  • Power Transmission.Ā Delivering power to ancillary or auxiliary components in an engine.

Packaging, automobile, and large scale industrial applications will require different timing belt specifications.

Choosing the right timing belt depends on many factors, including material, environment and size. Assess the operating conditions of belt installations that will affect their application (large vs small equipment), durability and general safety.

 

optionĀ·application

Sizing Options & Applications

Timing pulleys have countless applications and subapplications. For example, a car’s power steering system might use six or more gear assemblies in a pulley system. Alternatively, simpler systems may only require a 2 gear, 1 belt unit. The operator should consider tooth volume, time rating, pitch, belt and gear width, belt length, and component weight.

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