The furious PK between Chinese and foreign crusher

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Broken machinery usually can be divided into six categories, with the exception of hammer crusher and roll crusher, other common crushers in the sand field are pendulum jaw crusher, cone crusher,Mobile impact crusher impact breaker and vertical shaft impact crusher (VSI).

Pendulum jaw crusher is the primary crushing equipment. Pendulum jaw crusher demarcates the specifications on its feeding port's length and width of the calibration, basically according to standard manufacturing,Limestone rotary kiln domestic industry manufactures about eight kinds of specifications crushing products. The major international manufacturer's products have more specifications.

In the recent 20 years, in view of the pendulum jaw crusher movement of four connecting rod mechanism on design theory has a lot of progress. For example: the crushing cavity two-way rodent Angle, short cubits board angular, reduce the transmission Angle and eccentricity, foreign companies provide products already often use these validated advanced design theory to improve product performance and reliability in use.Limestone rotary kiln Our domestic manufacturers for a variety of reasons the advanced design theory little, its main products are almost before the 1970 s finalize the design product, is wear-resistant materials, (such as high manganese steel) and important fittings (such as spherical roller bearing),Screw classifier and other domestic foundation piece, the service life is lower than the international advanced level of the same kind product. In addition, the main processing and assembling for years to come also is little change,Symons cone crusher such as bearing hole, of the bearing assembly process and frame of the processing of the processing and assembly, etc.

The design of the main performance behind in institutions realize laminated broken principle (or say material layer broken) degree. The 1950 laboratory experiments proved the material of the single grain crushing and many particle

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