20 to 24 . On large primary crushers, using curved or nonchoking concaves and where gravity is of marked aid to nip with the large pieces at the mouth. the angle runs from 25 to 30 . The parameters used in the basic design of a gyratory crusher are nip angle, feed rate, feed opening, closed-side setting, work index, and horsepower.
Apr 16, 2021 Discharging size is a very important parameter of Jaw Crusher, as which determine the capacity and max discharging size of the crusher. So it’s important to know how to set this. 1. Meaning of some words. C.S.S. When running the jaw crusher, the closest distance of the fixed plate and movable plate called C.S.S. Primary.
Get PriceJaw crushers find a wide application for brittle materials. For example, they are used for comminution of porous copper cake. A Fritsch jaw crusher with maximal feed size 95 mm, final fineness (depends on gap setting) 0.3–15 mm, and maximal continuous throughput 250 Kg/h is shown in Fig. 2.8.
Get PriceCrusher Introduction. Crusher is also called stone crusher, rock crusher, gravel equipment, it is the machine that the exclusive compound content which the grain size larger than three millimeters more than 50% of the total discharged amount.
Get PriceOct 06, 2021 Grindability. by Ames. Ore grindabihty refers to the ease with which materials can be comminuted and data from grindability tests are used to evaluate crushing and grinding efficiency.Probably the most widely used parameter to measure ore grindability is the Bond work index W; The work index, Wi, is calculated kWh per ton applied in reducing ...
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Get PriceIf the mill is used as a crusher, which means that the particle size diameter of the finished product is quite coarse ( 1 mm), then the mill can be discharged by gravity. However, for finer target sizes, requiring very high speed and thus moving a lot of air, the final product can be transferred pneumatically.
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Get PriceThe undersize is scalped before feeding to the jaw crusher. Assuming the maximum feed rate is maintained at 30 t/h and the shapes of feed and product are the same and the crusher set is 10 cm, estimate the size of jaw crusher required and the production rate. Solution. The first exercise is to determine Q RC from equation Q RC = Q R /K. Step 1
Get PriceCone Crushers. The Symons Cone Crusher has come into almost universal use during the last few years for the final stage of crushing. It is a development of the secondary gyratory crusher, which is merely a small gyratory crusher designed to break the product of the primary machine down to about 1 -in. size; but the main shaft of a cone crusher instead of being suspended from a spider is ...
Get PriceHersam (1 9231 for different machlne parameters thereby influencing the degree of compaction of the product. The final equation for the capacity of jaw crushers can now be written as W = Vh K1 K2 KS d (9) where K1, K? and K3 are related to the parameters F,,/G, TI G and the nature of the material, respectively. Using the data
Get Price0.5 for both standard and short-head crushers and n2 is approximately 2.5 for short-head and 4.5 for standard crushers. The parameters in the classification and breakage functions are obviously specific to the type and size of crusher. Unfortunately not many studies have been done to establish their values under a range of actual operating conditions.
Get PriceOct 05, 2021 G = Gape Size R r = Crusher Reduction Ratio S = Set Size. Let’s solve an example; Find the gape size when the crusher reduction ratio is 8 and the set size is 4. This implies that; R r = Crusher Reduction Ratio = 8 S = Set Size = 4. G = R r x S G = 8 x 4 G = 32. Therefore, the gape size is 32. Calculating the Set Size when the Crusher Reduction Ratio and the Gape Size is Given. S = G / R r. Where: S = Set Size R r = Crusher Reduction Ratio G = Gape Size…
Get PriceOct 08, 2012 In order to rationally design the jaw crusher and ensure the reliability and economy of its operation, we must correctly calculate and select its structure parameters and operating parameters. In the following paragraph, the experts of Henan Hongxing Mining Machinery will introduce the selection and calculation of the main structural parameters and the working parameters…
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