According to its disadvantages, many countries are trying to improve crushers in the following ways: improve the structure and moving trail, change the type of crushing chamber to increase the crushing ratio and working efficiency, and decrease the wearing and energy consumption; improve the hanging way of mobile jaw plate and the supporting way of bracket to improve the performance of crushers; new wear-resistant jaw plate decreases the wearing consumption; improve the degree of automation, such as automated adjustment, overloading protection, automated lubrication, and so on.
A jaw crusher is a kind of classical size reduction machine which is widely used in mineral, traffic engineering, building metiarial, and ceram fields.
In order to improve the jaw crusher performance, such as lower wear rate, higher efficiency and lower power draw.
Some jobs have been carried out on some regular parameters, such as length of coupler, nip, suspension height of basic shaft, stroke of moving jaw, etc..
For these parameters, once they are determined, they will be the designing foundation of the machine and cannot be changed in the operation.
Since the parameters of this kind of jaw crushers are non-adjustable, its application and performance is constrained.
At present, the overseas goal of the mining equipments is getting the advanced predominance than those countries such as our nation.
So they will do their best on the big-scale, system automatization, high efficiency and low energy.
The modern manufacture technologies are the foundation to reach such a goal.
At the same time, some new types of machines are also introduced, such as double chamber jaw crusher (easily adjustable discharging port, high production capacity), single toggle jaw crusher (combined performance of jaw crusher and cone crusher; production capacity is 50% higher than other crushers with the same specification), and screening jaw crusher (combination of screen and crusher decreases the block and over crushing of crushers, improves production capacity, and decreases the energy consumption).
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