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The belt problem is a mathematics problem which requires finding the length of a crossed belt that connects two circular pulleys with radius r 1 and r 2 whose centers are separated by a distance P. The solution of the belt problem requires trigonometry and the concepts of the bitangent line , the vertical angle , and congruent angles .
Flat belt Flat belt drive in the machine shop at the Hagley Museum. A belt is a loop of flexible material used to link two or more rotating shafts mechanically, most often parallel. Belts may be used as a source of motion, to transmit power efficiently or to track relative movement. Belts are looped over pulleys and may have a twist between the ...
Since the 1980s, the standard procedure used to solve the problem of deformed belts was to turn the belt over, i.e. what was previously the back of the belt was used to form the new product side. [citation needed] The belt became flatter when turned due to the equalisation of stresses on both sides. However, over time, the belt typically ...
The bobbin winder is mounted high on the pedestal, where a small rubber tire occupying its pulley makes contact with the motor belt. The new mounting position solves the bobbin winder belt problem discussed later. Dedicated motor mounting lugs, cast into the rear of the pillar, standardize the position of the motor bracket.
The design of mechanisms to achieve a particular movement and force transmission is known as the kinematic synthesis of mechanisms. [5] This is a set of geometric techniques which yield the dimensions of linkages, cam and follower mechanisms, and gears and gear trains to perform a required mechanical movement and power transmission.
Four wool spinning machines driven by belts from an overhead lineshaft (Leipzig, Germany, circa 1925) The belt drives of the Mueller Mill, model and reality, in motionA line shaft is a power-driven rotating shaft for power transmission that was used extensively from the Industrial Revolution until the early 20th century.
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Flat belt on a belt pulley Belt and pulley system Cone pulley driven from above by a line shaft. A belt and pulley system is characterized by two or more pulleys in common to a belt. This allows for mechanical power, torque, and speed to be transmitted across axles. If the pulleys are of differing diameters, a mechanical advantage is realized.