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Gear Testing Equipment - Dissertation Example

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Summary
Gear testing and other tribology test are very important. This project seeks to develop integrated gear testing equipment that can perform most of gear tests. This gear test equipment allows for testing most defects on a gear. It incorporates the use of laser beam and ultrasonic waves…
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Gear Testing Equipment
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Gear Testing Equipment

Download file to see previous pages... This meshing allows for force and torque transmission without slippage. Different gear designs allow for transmissions of forces at different speeds and torques, gears also help in change of direction of both the rotary motion and linear motion. Gears are very versatile devices and are used in many devices as described below. Gears are always combined with other gears or they can be coupled with moving linear racks. Generally, the use of gears helps in change of rotational speed, change of torque and change of direction. Gears of different diameters and different number of teeth meshing together affect the mechanical advantage and the velocity ratio of a power transmission system. Every designer works to improve the mechanical advantage of any system which makes it possible to generate greater output force using a small input force.
Terminologies used in gear design
Mechanical advantage
Mechanical advantage is the ratio of the output force or torque to the input force

The meshing of the gears means that both rotating members move at the same rate. The gear circumference cover the same linear motion, this can be compared to a rotating wheel moving through a given distance. Both meshing gears move the same linear distance, hence if one has a small radii compared to the other gear it means that, for it to cover the same distance, it has to rotate faster than the gear with a larger radius. suppose gear one has a radii of 10 mm and gear two has a radii of 5 mm. if gear A is driven by a force of 50 N. then the force one gear B will equal

Force acting on gear A radii of gear A= force acting on gear B radii of gear B

Force on gear B = force acting on gear A radii of gear A
Radii of gear B

The force acting on gear B is therefore 100 N. thus if the input...
According to the research findings the gear is a device that is used for transmission of power. It is used for transmission of rotational force from one gear element to another gear element. The gear is comprised of teeth and cogs that mesh with the other gear teeth. This meshing allows for force and torque transmission without slippage. Different gear designs allow for transmissions of forces at different speeds and torques, gears also help in change of direction of both the rotary motion and linear motion. Gears are very versatile devices and are used in many devices as described below. Gears are always combined with other gears or they can be coupled with moving linear racks.
As the paper declares the use of gears helps in change of rotational speed, change of torque and change of direction. Gears of different diameters and different number of teeth meshing together affect the mechanical advantage and the velocity ratio of a power transmission system. Every designer works to improve the mechanical advantage of any system which makes it possible to generate greater output force using a small input force. The torque can be calculated by taking into consideration the force exerted by one tooth to the other tooth. This force has been analyzed and found to have both tangential and radial component. The radial component just causes sideway pushing but does not contribute to the turning force. Thus, the tangential force is considered to be equal to the torque acting on the gear tooth. From this, it can be seen that the bigger the gear the larger the torque and hence lower velocity. ...Download file to see next pagesRead More
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