Both settings are important because they describe the largest possible product size output (OSS) and smallest possible product size output (CSS). The OSS can be given as: CSS + Throw = OSS. CSS and OSS …
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• Percentage of final product times the capacity gives the production capacity of each product. • Example 0.08''-0.16'' mm at CSS 0.79'': – Percentage of crusher
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The CSS is the minimum distance between the jaw liners at the bottom of the crushing chamber when in operation. For example, a 40- x 51-in. jaw crusher calls for a …
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Crusher Vision is an automated system for determining closed-side setting (CSS) in a gyratory crusher by measuring the gap between the concave and mantle, as shown in Fig. 1. The standard method for determining wear on the mantle is to lower a galvanized steel bucket or a lead ball into the crusher then measuring the amount of deformation on ...
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Crusher adjustment (CSS) The closed side setting (CSS) defines the reduction ratio in cone crushers and has a significant effect on product gradation, capacity, and power draw. The closed side setting is measured from the bottom of the mantle to the bottom of the bowl liner at their closest point during the gyrating cycle.
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You need to allow for the stroke of the crusher - a CSS of 75mm on a jaw crusher will result in a finished product of 115mm-150mm with a 40mm stroke. This size will also be increased if the ...
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The throughput of a jaw crusher ranges between 30 and 1200 tph (Wills and Napier-Munn, 2015). Jaw crushers have been modelled previously; in 1953, Gauldie conducted a performance study of the jaw crusher, including a capacity model that handles varying speeds and closed side setting (CSS) (Gauldie, 1953).
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For those new to crushing, a jaw crusher's CSS is the distance between the jaw liners at the bottom of the crushing chamber when the machine is operating. The CSS determines the product size of the material produced by the jaw crusher. By consulting with a crusher manufacturer and a machine manual, producers can pinpoint the right …
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Take the maximum feed size divided by the CSS to obtain the crushing ratio. Maximum feed size into the jaw is 80% of the feed opening. Measuring the Jaw Crusher CSS or OSS is …
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Crushing chamber. Cone crushers consist of a fixed concave and a mantle that gyrates in an eccentric motion.. The mantle is continuously moving and provides a constantly changing gap at the bottom of the crushing chamber. The smallest size of the gap is known as the closed side setting (CSS) and represents the smallest size of material that can be …
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The reduction ratio in crushing is the ratio of the feed size to the product size during a crushing operation. It usually varies, but the reduction ratio depends on the chamber and nut adjustments. However, the best particle shape is found in material about the same size as the CSS, which is the smallest discharge opening dimension on the jaw ...
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Jaw Crusher Sizes and Power Ratings. Size is specified in terms of the gape and width, typically listed as gape x width. Largest jaw crusher is 1600 x 2514 mm with motor ratings of 250-300 kW. crushers (C200 …
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The size distribution of the products tends to be determined primarily by the CSS since no particle can fall through during a single open side period and all particles will experience …
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Contribute to redmik40/sbm development by creating an account on GitHub. Host and manage packages
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The distance between the mantle and the side is the primary area where cone crushers can be adjusted. These settings are known …
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4. OSS and CSS. There are two sides to the mantle, one is OSS, and the other is CSS. OSS refers to the open side setting, and the CSS refers to as closed side setting. A user must adjust the two sides setting to crush the material. Then, the CSS side setting will allow large particles to go down.
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The test determines the Bond Impact Work Index which is used with Bond's Third Theory of Comminution to calculate net power requirements when sizing crushers*. It is also used to determine the …
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It is a critical parameter that defines the maximum size of the crushed product from the crusher. ... Adjusting the OSS controls the size of the crushed material, and it is an essential factor in ...
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The below image shows a sectional view of a typical gyratory crusher. This type of machine is, by virtue of chronological priority, known as the "standard" gyratory crusher. Although it incorporates many refinements in design, it is fundamentally the same crusher that first bore the name of "gyratory"; its crushing chamber is very much the …
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Question: Is the largest size rock in the crusher product a feature of the crusher CSS or the OSS? Is the largest size rock in the crusher product a feature of the crusher CSS or the OSS? There are 3 steps to solve this one.
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deducting the stroke from the OSS. CSS is the most important crusher parameter since it defines the maximum product size and has significant bearing on capacity, product gradation, power draw, and wear. Check the machine's instruction manual for the permitted minimum CSS. Dimensions to be deducted from the OSS mm in C80 24 1 C96 32 1 1/4 …
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The crushability, grindability, and cutability of rocks are associated with many factors. During the size reduction processes in a jaw crusher and rod mill, crushing and grinding energy consumption increase when finer size fractions of the product are desired (Zeng and Forssberg 1992).Heikkilä (Heikkila 1991) reported that the lithological …
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You need to allow for the stroke of the crusher - a CSS of 75mm on a jaw crusher will result in a finished product of 115mm-150mm with a 40mm stroke. This …
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How you select your primary crusher will be based on factors like moisture content, maximum rock lump size, material density SG, abrasion index, degradability and it being prone to dusting or not. The crusher capacities given by manufacturers are typically in tons of 2,000 lbs. and are based on crushing limestone weighing loose about 2,700 …
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These sides of the crusher are referred to as OSS (open side setting) or CSS (closed side setting.) How the user configures these settings will determine the final size of your product. The OSS represents the largest distance between the concave and the mantle, and this side determines the largest size of outgoing particles. The opposite is ...
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Also you have to know material feed top size and size reduction ratio. Based of this it is easy to calculate product top size. The next step includes type characteristics that depend on material hardness (i.e. for middle hard ore, the type characteristic is 1.9 for R=0). Based on this you can calculate the size of crusher discharge.
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SIZE MAXIMUM RECOMMENDED CSS 1000 Automax Medium Coarse 160mm 36mm 1000 Automax Coarse 175mm 36mm 1000 Automax Extra Coarse 195mm 36mm ... Position: Mounted beneath the crusher product conveyor. Drive: Hydraulic drive. Top deck: 45mm aperture fitted as standard Bottom deck: Optional extra. Control: Fixed …
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Large particles must be reduced to specific sizes to either comply with aggregate sizing regulations, or facilitate mineral liberation; therefore, in the aggregates …
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The OSS is the largest distance between the concave and the mantle at the bottom of the crusher, so it determines the largest particle size of the outgoing product. As the smallest distance between the concave and the mantle, the CSS is the final crushing zone, and is vital for determining the product size, as well as energy consumption and ...
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Jaw crusher, as a common crusher equipment, occupies an important position in the crusher industry. Jaw crusher has the characteristics of large crushing ratio, good performance and high efficiency. The discharging port of the jaw crusher can be adjusted according to the needs of customers. How to adjust the CSS of jaw crusher?
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Closed side setting (CSS) The closed side setting can be calculated by deducting the stroke from the OSS. CSS is the most important crusher parameter since it defines the maximum product size and has significant bearing on capacity, product gradation, power draw, and wear. Nip angle The nip angle is the angle between the fixed …
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HP cone crusher at the lower end of its speed range will increase the cavity volumetric throughput and the product gradation curve can be altered to produce fewer fines. The allowed speed limits can be found in the HP cone crusher instruction manual. Before changing the speed of the crusher, consult product support for further information.
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moving jaw moves in going from OSS to CSS. Throw = OSS-CSS. The capacity is a function of size and OSS. Manufacturers publish tables of capacity for their crushers of various size as a function of the open-side set. 5.1.1 Cone crushers Cone crushers are commonly used for secondary, tertiary and quaternary crushing duties. Two
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The Crusher throw is defined as the distance in the direction of compression the moving crushing surfaces/plates travel from OSS to CSS. Throw = OSS – CSS. OSS and CSS will define a …
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A better crusher control, 36% increase in the crusher throughput and finer and narrower product size distribution were among the main outcomes of the new feed chute.
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Closed side setting (CSS) The closed side setting can be calculated by deducting the stroke from the OSS. CSS is the most important crusher parameter since it defines the maximum product size and has significant bearing on capacity, product gradation, power draw, and wear. Check the machine's instruction manual for the permitted minimum CSS.
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