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Jaw crusher is the main technical parameters of processing power and the maximum permissible feed size. The same specifications jaw crusher due to different design, its maximum permissible feed size is not the same, my reference to use of the former Soviet Union standards, the width of the feed port to a fixed tooth plate tooth tip (bottom teeth) and the activities of the end of teeth-tooth (tooth tip) from the purpose of calculating the standard, while the number of international enterprises to a fixed tooth plate and calculated the distance between the activities of tooth plate, thus showing the same specifications of products, domestic products and foreign enterprises in fact are often small compared to a tooth deep distance, large-sized breakers teeth deep 60-100mm, and therefore domestic product are often too small to allow the feed size of 50-80mm. Jaw Crusher exclusive mine mouth can be adjusted, corresponding to a different row of mine I have a different processing capabilities. Therefore, more processing power, we should determine the row of the same size as mine mouth.

The factors influencing its selection and purchase for this service are much the same, regardless of how many crushing stages there are in the flow sheet; and therefore, this term, by common usage, is applied to the breaking equipment which takes up the job of reduction where the blasting operations leave off.

Selecting the right type and size of primary crusher is a problem of prime importance in the designing of a mining machinery of any nature and size. Usually this machine is the largest and most expensive single item of equipment in the plant; a mistake in the choice can only be remedied fully by replacement; and because the entire primary crushing equipment house arrangement is generally 'tailored' to fit the breaker, such replacement is almost always a costly procedure. While personal favoritism toward some particular types may safely be allowed to swing a close decision, it should never blind the engineer or operator to the merits of other types, nor to the limitations of his favorite.

The primary crushing setup is closely linked to the quarrying or mining operation, and it is only by careful adjustment of all equipment selections to the general plan of operation that optimum operating results may be realized.

While it is convenient to discuss the influence of these several factors separately, it is well to keep in mind that they are more or less closely interlocked, and that a change in one of them may necessitate altering one or more of the others.

In addition to the factors listed there are usually a few which are peculiar to each individual problem such as labor costs and so on. Any plant design problem is an economic as well as an engineering one. We are concerned he re chiefly with the engineering phases.

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