HOW TO ENSURE SEISMIC REQUIREMENTS FOR SAG AND BALL MILLS Dr Axel Fuerst ABB Switzerland Baden CH Generally the foundation design requires more effort than the seismic design of the GMD simply due to structure is made of steel It is known from site experience that foundations get damaged before the GMD and mill structures Design
Ball Mill Application and Design Ball mills are simple in design consisting of horizontal slow rotating vessels half filled with grinding media of to 15The particles to be milled are trapped between the grinding media or balls and are reduced in size by the actions of impact and attrition
In this study a practical case of ball mill foundation is investigated to illustrate the approach and the dynamic behaviour of structure The concrete mat foundation and piers are modelled by FEM
Ball Ball Mill Foundation Design High Capacity Ball Mill DesignPower Calculation The basic parameters used in ball mill design power calculations rod mill or any tumbling mill sizing are material to be ground characteristics Bond Work Index Live Chat Ball Mill an overview ScienceDirect Topics
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Sep 23 2014· This means that SAG mill foundations behave very differently from ball mill foundations 4 – Mill Designer Stiffness Criteria One of the mill designers performs a calculation to determine the "target stiffness" of the foundations given the mill and ring motor stiffnesses
The basic parameters used in ball mill design power calculations rod mill or anytumbling mill sizing are material to be ground characteristics Bond Work Index bulk density specific density desired mill tonnage capacity DTPH operating solids or pulp density feed size as F80 and maximum ''chunk size'' productsize as P80 and maximum and finally the type of circuit openclosed you are designing for
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Dec 04 2012· ball millball millsball mill machineHenan Bailing Machinery CoLtd The ball mill equipment should be installed onto the firm concrete the foundation design and construction of ball mill machine you can refer to the »More detailed
A practical case of ball mill foundation is examined herein The diameter of mill is 80 m with length of 131 m operating at 12 rpm challenge to the design of grinding mill foundation in
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ball mill foundation design Ball Mill Design Concrete Foundation Grinding MillIssue 1 record in the design of mining equipment SAG mill and three 24 ft ball mills each driven by a Standard engineering design of mill foundations relies
foundation design criteria for sag mill and ball mill foundation design criteria for sag mill and ball mill The mechanical design of grinding facilities in mineral processing plants is based on foundations for the SAG and ball mills due to vibration problems experienced be included in models developed with standard finite element packages
Design Method of Ball Mill by Discrete Element Method collected The diameter of the gibbsite powder was measured using a Master Sizer 2000 Sysmex Corporation Details of the experimental conditions are given in Table 2 Results and Discussion 1 Effects of Fins on Ball Motion in the Mill To predict ball mill grinding behavior using the dis
Chapter 3 Steady State Model Development and Validation OoCities of the steady state models is required as they are the foundation of the is arguably the only one that is widely used for design pilot mill scaleup and Dynamic models of the SAG mill ball charge rock charge water charge and mill
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The substructure method is used for dynamic analysis of the ball mill foundation that is the structure and soil are considered as two parts separately The structure mat foundation and piers
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