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 Compound Pendulum Grinding Mill Structure Design Simplification - Le Isole - Answers
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Compound Pendulum Grinding Mill Structure Design Simplification

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As is known to all that the compound pendulum grinding mill can be simplified as the crank slotted link mechanism. The connecting rod is the simplified version of the movable jaw.
The points on the connecting rod correspond to those on the movable jaw plate. The crusher performance is determined by trajectory performance value of the points on the movable jaw plate, which is in turn determined by the position of points on the movable jaw plate and the size of the mechanism. The dimensional parameters include the lengths of rods on the crank slotted link mechanism, the frame position and the moving point’s position on the connecting rod. Consequently, the design scheme of the structure dimension parameters is one of the key determiners of machine performance.
Research and design engineers put efforts into the main kinematical parameters, such as the length of the connecting rod, the ride height, the crank transmission angle and nip angle to ensure better kinematic performance of the movable jaw. The crushing efficiency is greatly improved and energy consumption largely reduced due to parameters design and improvement. Therefore, it has given impetus to the development of mine exploitation and crushing equipment industry.
Whereas the structural and operative parameters, the basis of component strength, are definite to ensure the economy and reliability of the grinding mill operation in the previous design. Since the parameters are certain, they cannot be adjusted once the machine is produced.
Nowadays, though something with epoch features like the computer aided design is added to the traditional research and design method, the essence has remained the same. The researchers design the crank slotted link mechanism according to the trajectory of the points. The rod sizes are determined by the chosen movable jaw trajectory, the nip angle, etc. The parameters of the crushers designed basing on this method cannot be adjusted to change the trajectory of the movable jaw because the models, trajectory and the rod lengths are predetermined.

quesito posto 3 settimane fa da Richard (80 punti)

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