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Cone crusher basics in 4 minutes

The widest distance is known as the open side setting (OSS) and the narrowest, the closed side setting (CSS). These settings are important. 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.

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HP series cone crushers Wear parts …

Closed side setting (CSS) The closed side setting defines the reduction ratio in HP cone crusher and has a significant effect on the 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. Feed opening

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New insights

Crusher Vision's new camera system is laser guided and can measure the closed side setting of a gyratory crusher remotely. Courtesy of Crusher Vision T eck's Highland Valley Copper approached Crusher Vision in 2009 with the hope of finding a way to more accurately predict mantle life and reduce downtime for its gyratory crusher.

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Jaw Crushers JW Series

Closed Side Setting Adjustment The crusher closed side setting is infinitely adjustable within setting limits through the actuation of hydraulically controlled wedges and tension rod spring. The wedge assembly is fully contained within the crusher frame. A hydraulic power pack, positioned close to the crusher, provides push button control. Main ...

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® C Series™ jaw parts

Open side setting (OSS) The open side setting is measured when the crusher is at rest. The setting is measured either top to top, or bottom to top, depend-ing on the tooth profile of the …

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Selecting crushing chambers for cone crusher

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 …

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Application guide ® MP Series™ cone crusher …

Closed side setting (CSS) The closed side setting has a significant effect on the product gradation, capacity, and power draw of an MP Series™ cone crusher. 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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Crusher Close Side Settings

The actual minimum safe closed side setting of a crusher will vary somewhat, for any given crushing machine, depending upon the character of the material, the amount of fines in the feed, and whether the crusher is being …

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GP series cone crushers Wear parts …

Closed side setting (CSS) The closed side setting defines the reduction ratio in GP cone crusher and has significant bearing on product gradation, capacity and power draw. The closed side setting is measured from the bottom of the mantle to the bottom of the concave at their closest coincidence during the gyrating cycle. Nip angle

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Application guide SUPERIOR® primary gyratory crusher …

The superior gyratory crusher's discharge setting is referred to as the Open Side Setting (OSS). This is a single pre-determined setting at which the crusher and it's crushing chamber are designed to operate. The setting cannot be operationally changed to produce different product sizes instead the setting change is made by modifying the ...

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Maximize your cone crusher productivity | Pit & Quarry

"Fines in the crusher feed" is defined as material entering the top of the crusher, which is already equal to or smaller than the crusher's closed-side discharge setting. As a rule of thumb, the maximum number of fines in the crusher feed should not exceed 25 percent for secondary crushers or 10 percent for tertiary crushers.

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Crusher Product Gradation Charts

This same sort of information may be presented by the manufacturer in a set of curves for the various settings of the crusher. The curves, one for each closed side setting, will give an estimate of the cumulative percentage of material passing a given screen size on the horizontal scale with the screen opening in inches on the vertical scale.

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C-Gap Used for Crusher Closed Side Setting at Northparkes

The C-Gap unit is being employed at Northparkes mine in NSW, Australia. The tool allows for quick and accurate measurement of the operation's targeted 60mm – 120mm closed side setting in its Krupp 160-190 gyratory crusher. Please visit the company website for more information. Image: C-Gap ...

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Size reduction control in cone crushers

Size reduction control of cone crushers has received fairly little attention over the past few decades. Consequently, the most common control objective is still to regulate the crusher load (crusher power or crusher main shaft piston pressure) or the closed side setting (the shortest distance between crushing liners), not the actual size reduction.

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Mobile Jaw Crusher CSS Range and Measurement

Difference between Closed Side Setting and Open Side Setting. Measuring the Closed Side Setting (CSS) or Open Side Setting (OSS) is usually confusing as many methods are employed without understanding consequences. ... Use the jaw crusher reverse function on the display screen to get the arrow on the flywheel in the correct position.

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AMIT 135: Lesson 5 Crushing – Mining Mill Operator Training

  1. Normally the size reduction by crushing is of limited importance besides the top size of the product going to grinding.
  2. This means that the number of crushing stages can be reduced depending on the feed size accepted by primary grinding stage.
See more on millopsmunity.uaf.edu
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    Crushing Principles of Mechanical Crushing

    • As the market demand shifts can the crusher operation be modified? • The crusher is likely to be installed for maximum production. Can it be changed to maximum efficiency? • Understanding …

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  • Hydraulic vs. Shim-Adjust Jaw Crushers: Which Is Right For …

    For a traditional shim-adjust Jaw Crusher, adjusting the closed-side setting is a bit labor-intensive and requires a complete plant shutdown while the adjustment is being made. Lockout/tagout and all safety procedures must be followed while performing the adjustment to reduce the risk of injury. You also need to make sure you have the ...

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    A review of modeling and control strategies for cone crushers …

    The minimum distance between the mantle and concave is defined as the closed side setting (CSS) of the cone crusher. The CSS is easily changed online in a large variety of commercial crushers; different principles of CSS adjustment are described in (Quist, 2017). The maximum distance between the mantle and concave, on the other hand, is defined ...

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    Crusher Performance Factors

    A high-speed, gyratory, cone crusher or fine-reduction crusher in the same plant just as consistently produces material 70% of which passes a square opening test sieve, equivalent to its close-side setting. In both cases all material is reduced to a one-way dimension not exceeding these respective open and close-side settings.

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    System and method for measuring a closed-side and/or open-side setting …

    A gyratory crusher and system for determining a close-side setting or an open-side setting is provided including a point cloud generator mounted proximate the crusher; a laser emitter mounted to mark the first trace on the mantle at a predetermined position of the gap; a drone; a camera mounted on the drone to capture a series of image of the first trace as the mantle of …

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    Best Practices for Feeding Jaw Crushers

    This will produce steady, consistent tons per hour out of the Jaw Crusher. It will also promote inter-particle crushing to break any flat or elongated material. A well-graded feed for a Jaw Crusher includes material larger than …

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    HP series cone crushers Wear parts …

    Closed side setting (CSS) The closed side setting defines the reduction ratio in HP cone crusher and has a significant effect on the product gradation, capacity and power draw. The closed …

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    Tips to maximize crushing efficiency

    The closed-side setting of a jaw crusher helps determine the nip angle within a chamber, typically 19 to 23 degrees. Too large of an angle causes boiling in the crushing chamber. This is where the jaw plates cannot grip onto the rock, and it keeps slipping up and down, avoiding being crushed. The nip angle gets flatter as the machine is set ...

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    System and method for measuring a closed-side and/or open-side setting …

    A gyratory crusher and system for determining a close-side setting or an open-side setting is provided including a point cloud generator mounted proximate the crusher; a drone; a laser emitter mounted on the drone to mark the first trace on the mantle at a predetermined position of the gap; a camera mounted on the drone to capture a series of image of the first trace as the …

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    operations pull out guide illustrated

    "If you feed off to one side, it lowers your production and throughput. You might see the crusher amping out, but only half the machine is ac-tually working." Smith says that bulk-loading rock will overload the crusher and can cause the bowl or cone to float. "With float, the crusher will lose the closed-side setting (CSS) and more

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    Cone Crusher Diagram: Simplified Guide

    The final size of the crushed product is determined by the cone crusher's closed side setting (CSS). With the help of the crusher's hydraulic or spring-based mechanism, the CSS—the smallest gap between the mantle and bowl liner at the bottom of the chamber—can be changed. Operators can achieve the desired product size by configuring the ...

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    ® GP Series™ cone crushers Wear parts …

    Closed side setting (CSS) The closed side setting defines the reduction ratio in GP cone crusher and has significant bearing on product gradation, capacity and power draw. The closed side setting is measured from the bottom of the mantle to the bottom of the concave at their closest coincidence during the gyrating cycle. Nip angle

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    How To Size A Jaw Crusher

    Another consideration is the method of adjusting the closed-side setting: manually with shims or hydraulically with the push of a button. Shim-adjust Jaw Crushers are lower in capital cost, but they require a complete plant shutdown when product-size adjustments need to be made, as well as someone to physically make the adjustments.

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    Crusher Closed / Open Side Setting Program

    Crusher Vision is an automated closed side setting system for gyratory crushers that measures the gap between the concave and mantle.

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    Crusher with adjustable closed side setting

    A crusher is provided having improved wear resistance and crushing capacity. Particularly, the crusher provides an improved mechanism for adjusting the closed side setting by acting on an adjustable jaw, rather than the moveable jaw. The crusher includes a moveable jaw, an adjustable jaw, and a frame that supports the adjustable jaw and the moveable jaw such that the …

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