·On this basis the performance of the gyratory crusher under different crushing chamber shapes is studied by combining the DEM simulation with the response surface method RSM and the performance prediction model is obtained based on multiple nonlinear regression Further the productivity is considered as the main optimization objective the
·A DEM material model was constructed based on the actual material model within the crusher chamber to simulate the discharge performance of the straw crusher accurately Hence in this study initial experiments were carried out prior to the simulations The experiment used corn straw at a moisture content of %
·crusher chamber was obtained the swing speed of the mantle the length of the parallel zone the bottom angle of the mantle the eccentric angle the eccentricity and the
·Firstly import the crusher chamber model drawn by SolidWorks into the geometry module and set the motion characteristics for each part The movement of the mantle includes two one is its own rotation movement the speed is very low generally 10∼15 r/min and the other is the eccentric movement around the axis of the concave
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·Example The HP crusher chamber selection table shows the minimum opening settings However the presented settings are provided as a guide only The actual minimum setting is at which the crusher will operate without causing ring bounce Feed type; Feed material characteristics such as gradation bulk density moisture clay content and
The crusher chamber is hosted in intermediate volcanics and is located in proximity to Fault 6 and the Footwall Shear Zone FWSZ Fault 6 is a mine scale structure orientated at approximately 30/210 that underlies the orebody The Fault 6 zone has a variable thickness between 10 and 25 m and contains jointed
·The crushing chamber is the main component that interacts directly with the ore during the operation of the gyratory crusher Therefore it is a critical factor in determining the performance of the gyratory crusher Cleary and Morrison 2021;
The PC2 crusher chamber is a large excavation located at a depth of 1 300 m with a stand off distance of 280 m from the Panel 2 footprint This paper describes the geomechanical analyses and design carried out to evaluate stability and support of the chamber including Keywords large chamber deep and high stress mining ground support
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