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3 index bond ball mill grinding mill china Bond formula for the grinding balls size calculation Oct 19 2017 · The enterprises consumers grinding media have a question about right choise the grinding ball size diameter for the mill in order to achieve the required grinding quality We noted earlier this information can be obtained fromGet Price
The ability to simulate the Bond work index test also allows examination of truncated ball mill feed size distributions on the work index For grinding circuits where the feed to a ball mill is sent directly to the classifier and the cyclone underflow feeds the ball mill see Figure 310 a question arises as to whether this practice will alter the ball mill work index BW i of the materialGet Price
A Bond ball mill work index is then performed on the mill product for the design of SAGball mill circuits This is important because it was found that there was a 115 kWht higher ball mill work index if the 335 mm ball mill test feed sie is obtained by SAG mill grinding compared with crushing View AllGet Price
Bond Ball Mill Work Index Customer Case Bond Index Ball Mill Rod Mill BT 100 XL RETSCH The grinding jar for the Bond Index Rod Mill is 12″ x 24″ in size and has a waveshaped design At least 15 to 20 kg sample material is required to simulate a closed grinding circuit in a ball or rod millGet Price
Bond Ball Mill Grindability Test The Bond Ball Mill Work Index BBWi test is carried out in a standardised ball mill with a predefined media and ore charge The Work Index calculated from the testing can be used in the design and analysis of ball mill circuits The test requires a minimum of 10kg of sample that has been stagecrushed to 100Get Price
You need a twostage solution first stage opencircuit mill and then second stage closedcircuit mill First stage will be broken into two parts as well you use a Bond rod mill work index for the coarse component of the ore 21 mm and the Bond ball mill work index for the fine component 21 mmGet Price
Cleaning and Storing of Ball Mill Charge after the Bond Work Index Procedure is done Add about 500 g of silica sand into the mill containing the ball charge Seal the mill Rotate for 20 revolutions to clean Empty the mill charge and sand into the ball try once grinding is complete Clean out the mill using a brush Put the lid on the millGet Price