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The advantages and development of jaw crusher

9 April, 2013 at 6:54 am in Buy & Sell

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The jaw crusher is used to crush materials with a compression strength of less than 320 MPa. It is often used as primary or secondary crushing equipment (the secondary crushing equipment often using cone crusher and impact crusher). The jaw crusher is widely used in industries such as mining, metallurgy, chemicals, building materials, water conservation, and for highway and railway related infrastructure projects. Hongxing Machinery's jaw crusher is characterized by a high crushing ratio, even granularity, simple structure, reliability, easy maintenance and low costs.

As a conventional device, Jaw crusher has many advantages, simple structure, reliable work, easy to manufacture, easy maintenance, adaptability etc. Since jaw crusher advented in 1855, has been widely used to crushing industry. Its shortage is inefficient, no-continuous crushing, low crushing ratio, many countries improved its shortcomings, their level of automation has increased there have been some new models in recent years, such as dual-chamber double-acting jaw crusher, dual-chamber rotary crusher, screening jaw crusher and so on. For now, Compared with foreign advanced level, China jaw crusher design quality and performance exist a large gap, compared to the same model, the weight of foreign machine is much smaller than China, that is its design and the aggregate level of manufacturing are much higher than China. In addition, the machine bearing is small but long life; in wear-resistant materials and heat treatment also has a large gap.

The key point of Improving our manufacturing technology is to digest and absorb imported products, the research and development companies should pay attention to the design and development with independent intellectual property rights, to improve the quality of matching products, catch up with international advanced level.

Working Principle of the Jaw Crusher:

The motor drives a V-belt and belt pulley to move the jaw periodically via the eccentric shaft. The movable jaw moves upwards to the fixed jaw when the angle between toggle plate and moving jaw increases, crushing materials in the process. The moving jaw is pushed downwards from the fixed jaw by a pulling rod and spring when the angle between toggle plate and moving jaw decreases, discharging the final crushed materials from the outlet. The moving jaw is moved periodically by the eccentric shaft to continuously crush and discharge materials from the crushing chamber.

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