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 required openside settings (jaw crushers and gyratory crushers) or closedside settings (cone crushers) for a given product size.

May 24, 2015· In a jaw crusher feed is admitted between two jaws, set to from a V open at the top. ... To use this equation, a work index Wi is defined as the gross energy requirement in kilowatthours per ton of feed needed to reduce a very large feed to such a size that 80% of the product passes a 100µm screen. ... Labels: bond, bond law, bond s law ...

equation of motion of a jaw crusher Analysis of the single toggle jaw crusher kinematics Journal of Purpose. This stone aims to obtain equations that can be used to describe the motion of any given point in the swing jaw of a single toggle jaw crusher.

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May 24, 2015· In a jaw crusher feed is admitted between two jaws, set to from a V open at the top. ... To use this equation, a work index Wi is defined as the gross energy requirement in kilowatthours per ton of feed needed to reduce a very large feed to such a size that 80% of the product passes a 100µm screen. ... Labels: bond, bond law, bond s law ...

Feb 26, 2014· Computer aided design of Jaw Crusher ... Mineral Processing Crushing Plant design, construction, operation and optimisation 1. ... • One of the keys of the Bond work index success over time has been its reliability and reproducibility. • The figure below shows that the Ball Mill work index is normally distributed with AVG and ...

Want to Know How Does Impact Crusher Want to Know How Does Impact Crusher Work? the chemical, mining, construction Sanme Company News impact crusher stone crusher rock crusher jaw crusher cone . In Chemical What Is Jaw Crusher Work bond work index equation for jaw crusher. crushing energy and work .

MethodsEdit. The most common machines for the comminution of coarse feed material are the jaw crusher (1m > P 80 > 100 mm), cone crusher (P 80 > 20 mm) and hammer crusher. Primary jaw crusher product in intermediate feed particle size ranges (100mm > P80 > 20mm) can be ground in Autogenous or SemiAutogenous...

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design of a control model utilising two crusher variables and a selftuning control algorithm. In this research work, a process model describing the dynamic operation of an Osborn 57S gyrasphere cone crusher is investigated. Modelling of the Mowana crushing circuit .

All the common basic equations relating energy requirement for comminution can be derived from a single ordinary differential equation kLm L E =− d d () where E is power, L is particle dimension (diameter), k is a constant and m takes one of three values depending on the particle size: 2, or 1.

crusher. The Bond Index was estimated as 15 kWh /h. Assuming that the density of the limestone was t/m3, determine: 1. the optimum RPM of the toggle 2. the maximum annual capacity of crusher with 99% availability 3. Power consumption at the optimum speed 3. Jaw Crusher (C): A single toggle Blake jaw crusher with cm x cm receiving hopper

the Bond equation (1961). For every Bond Ball Mill Work Index test carried out at JKTech, a standard report is issued. The report details the Bond test procedure method, and presents the results including F80, P80, Grindability and Work Index. Further interpretation of the results is available if required.

The parameters to be used are the Standard Bond Grindability Test (which is used to evaluate the crushability and grindability of the feed, which is often referred to as the Work Index) which then can be used the calculation of the Specific Grinding Energy (also a parameter) as well as the Abrasive Index (which is already recorded for all ...

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