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Gears are toothed mechanical transmission elements used to transmit motion and power between machine parts. Gears running in pairs have their teeth meshed with the teeth of another corresponding gear or toothed part, preventing slippage during transmission. Each gear or toothed part is connected to a machine shaft or base part so that when the drive gear (that is, the gear that provides the initial rotational input) rotates with its shaft part, the driven gear (that is, the gear that is affected by the drive gear and presents the final output) gear or toothed part) rotates or translates its shaft part.
Depending on the design and construction of the gear pair, the transfer of motion between the driving shaft and the driven shaft may result in a change in the direction of rotation or motion. Additionally, if the gears are of different sizes, the machine or system gains a mechanical advantage, allowing changes in output speed and torque (that is, the force that causes an object to rotate). Gears and their mechanical properties are used extensively throughout the industry to transmit motion and power in various mechanical devices such as clocks, instruments, and equipment, and to reduce or increase various motorized equipment including automobiles and motorcycles' speed and torque, and machines.
Other design features, including materials of construction, gear shape, tooth structure, design, and gear pair configuration, help to classify and categorize the various types of gear available. Each of these gears has different properties and benefits, but the requirements and specifications required for a particular motion or power transmission application determine the most suitable gear type to use.
Gears are available in a variety of designs, configurations, and configurations to suit a wide range of industries and applications. These different properties allow gears to be categorized in several different ways, including:
1. Gear shape
2. Tooth design and structure
3. Gear Shaft Configuration
