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Development Of Crushing Machine Through The Ages

In china, before christ two thousand years there have been the single most tube crushing tools - mortar and pestle.Mortar and pestle further evolution of the 200 bc to 100 years before the foot pestle.These tools use the lever principle, with the initial prototype of broken machinery,vibrating screen but the crushing action is intermittent.The first continuous-smash action of broken machinery is the invention of the fourth century bc by the public lose ban animal-drawn mill,mobile crushing station another continuous crusher to crush the movement of the roller grinding mill later in the period of the emergence of ad after two hundred years, china du yu, on the basis of foot pestle and animal-drawn mill developed a hydraulic driving force with machine, even the water mill, water transfer and even grinding to make productivity gains to a new level these machinery used in grain processing, and also extends to other materials,sand washer crushing job.Modern broken machinery is created in succession after the progressive improvement and extension of power machinery such as steam engines and electric motors.1806, driven by steam roll crusher; 1858, the united states blake invented the rock-crushing jaw crusher; 1878 u.S.Dryer machine development of a gyratory crusher with a continuous crushing action, its production efficiency is higher than for intermittent crushing action of the jaw crusher; 1895, william invention lower energy consumption, the impact crusher.At the same time, the grinding machinery has also been a corresponding development in the early 19th century there have been extensive use of the ball mill;cone crusher 1870 to develop a uniform particle size of nesting on the basis of the mill, rod mill;flotation machine 1908 created without grinding the media mill.30 of the twentieth century to the 1950s, the united states and germany have developed out of the bowl roller mill, roller tray coal mills vertical shaft speed coal mill.With the development of science and technology, broken machinery development so far, has made ​​considerable progress.Especially the 1990s, broken machinery production and sales volume has grown rapidly, add the broken machinery production companies increasing,cone crushers so that as many as thousand of broken machinery manufacturing enterprises, able to produce 0.5 ~ 30t vibrating crusher, 4 ~ 24t static roller crusher more complete specifications and varieties, and 16 ~ 30t tire crusher series, the basic form able to self-development and production of complete crusher manufacturing system, the gap between the technology level and international advanced level is gradually reduced.This situation of high growth, there will be broken mechanical parts industry into a new period of development.

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