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Compare the Development Status of Jaw Crusher in Home and Abroad

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[레벨:0]heiha

Post subject: Compare the Development Status of Jaw Crusher in Home and Abroad

registered: 12/19/2013

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With the economic development, the types and specifications of crushers are continuously upgrading, such as small jaw crusher, cone crusher, mini impact crusher fine grinding mill, etc. However, because of the technical gap or some other reasons, the development status of home and abroad crushers is not quite the same. This article takes the compound pendulum small jaw crusher as an example to explain the development status of home and abroad crushers.

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At first, in terms of the product varieties and specifications, the compound pendulum small jaw crusher calibrates the specifications of machines by the length and width of the feed port. Basically, domestic manufacturers have produced about 8 specifications of coarse crushing products according to industrial standards while the international major manufacturers have more specifications. At present, China mainly lacks large-sized varieties that the feed port is above 750×1060mm while the foreign countries have full range of large-sized equipment.

Secondly, from the performance of products, the main technical parameters of compound pendulum small jaw crusher allow feed size and processing capacity maximally. Due to the different design, the same specification compound pendulum small jaw crusher has different maximum permissible fed size. The width of the feed port of China's crusher are calculated through the distance between the fixed bottom tooth and the flexible tooth top while foreign countries are calculated through the distance between the fixed tooth plate and flexible tooth plate.

Lastly, considering the design and manufacturing technology of products, foreign countries adopt more advanced theories, such as bidirectional nip angle of crushing chamber, reducing the transmission angle and eccentricity, short brackets, big swing angle and so on. However, China adopts little advanced theories. Thus, the service life and reliability are not as good as foreign countries.

 

 

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