This Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore samples These equation application methods are used to process 12″ ore samples in a Ball Mill using a standard ball charge Below describes in general terms the Bond Work Index Procedure used by a Professional Metallurgical Testing Laboratory If you ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.
Get a Quote leave MessageFeeding Granularity: ≤20-≤25mm
Applied Materials: Limestone, calcite, barite, dolomite, potassium feldspar, marble, talcum, gypsum, kaolin, bentonite, medical stone, rock phosphate, manganese ore, iron ore, copper ore, gold ore,quartz, active carbon, carbon black, ceramic, coal, etc.
Applicable Range: Cement, silicate product, new building material, refractory material, fertilizer, black and non-ferrous metal ore dressing and glass ceramics production industry, etc.
DetailsPower: 37-55kw
Capacity: 1-18TPH
Application: It is widely used in refractory materials, powder plant, metallurgy, chemical industry, energy, transportation, heating and other industries.
DetailsProcessing Ability: 0.2–16 m³/min
Processed Materials: Non-ferrous metal minerals such as copper, lead, zinc, molybdenum, cobalt, tungsten, antimony etc.
Applications: The machine can be used to separate nonferrous metal, ferrous metal, noble metal, nonmetallic mine, chemical material and recycle mine.
DetailsCylinder Capacity: 9-285m³
Production Capacity: 1.9-76TPH
Application Range: Industries of mining, ore beneficiation, construction materials and chemical engineering.
DetailsPower: 0.5–5.5kw
Screen Layer: 1–2
Screen Size: 1–40mm
DetailsVolume Weight: 4-230t
Processing Capacity: 0.5-50TPH
Application Area: Metallurgy industry, building material, etc.
DetailsFeeding Size: ＜25mm
Production Capacity: 8-43TPH
Applied Materials: Coal, cement, ore, calcite, cement clinker, dolomite, clay, coal, barite,etc.
DetailsFeeding Size: 300-700mm
Production Capacity: 50-250TPH
Applied Materials: Iron ore, copper ore, gold ore, river gravel, limestone, granite, basalt, diabase, andesite, etc.
DetailsThis Grindability Test or Bond Ball Mill Work Index Procedure is used to determine the Bond Work Index of minus six mesh or finer feed ore samples These equation application methods are used to process 12″ ore samples in a Ball Mill using a standard ball charge Below describes in general terms the Bond Work Index Procedure used by a Professional Metallurgical Testing Laboratory If you
Read MoreThe method is used to size a cement ball mill Efficiency correction factors are applied with the Bond equation The method is valid both for clinker grinding and for raw materials grinding This method only gives a rough and initial idea for sizing a cement ball mill
Read MoreThe ball mill work index laboratory test is conducted by grinding an ore sample prepared to 100 passing 336 mm 6 mesh to product size in the range of 45150 µm 325100 mesh thus determining the ball mill work index Wi B or BWi The work index calculations across a narrow size range are conducted using the appropriate laboratory work index determination for the material size of
Read Moredesign of ball millsThe 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 bulk density specific density desired mill tonnage capacity DTPH operating solids or pulp density feed size as F80 and maximum chunk size product size as P80 and maximum and
Read MoreTHE BOND WORK INDEX OF LIMESTONE AND ANDESITE MIXTURES value is found in a laboratory Bond ball mill The Bond work index determination according to the standard Bond s test is done on all these samples with comparative sieve size of 74 105 and 150 microns
Read MoreThe FC Bond Work Index Test Ball Mill was designed by F C Bond for use in determining the Bond Index a measure of grindability and power required for grinding applications The FC Bond Mills are used in laboratories throughout the world A copy of Fred C Bonds Method of Crushing and Grinding for determination of the Bond Index is included with each mill This mill can be used to calculate
Read MoreJK Bond Ball Mill Test JKTech An improved method using less mass compared to the Bond Ball Mill Work Index test The JK Bond Ball Mill JKBBM test is a locked cycle grindability test conducted using a standard laboratory Bond Ball Mill with the same steel ball charge and material feed size passing 335 mm as the Bond Ball Mill Work Index test
Read MoreThe 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 mill The Rod Mill Work Index RWI is used for particle size determination in a size range from 25 mm down to 21 mm whereas Ball Mill Work
Read MoreBall mill design requires a Bond work index BWi for ball mills at the correct passing size SAG mill design requires an appropriate SAG test for example SPI Chapter 5 Flotation design needs a valid measure of kinetics for each sample including the maximum attainable recovery and rate constants for each mineral Chapter 12
Read MoreTHE BOND WORK INDEX OF LIMESTONE AND ANDESITE MIXTURES value is found in a laboratory Bond ball mill The Bond work index determination according to the standard Bond s test is done on all these samples with comparative sieve size of 74 105 and 150 microns
Read MoreMar 01 1983 · MakeUp Feed Mill INTRODUCTION The Bond method 1 2 for sizing tumbling ball mills has been used successfully for many years On the other hand a more detailed method of analysis of the grinding process has been developed in recent years 3
Read MoreBond Test WI’s kWht Rod Mill Ball Mill 95 kWht8 9 kWht Bond Standard Circuit Work Index Assume the rod mill Work Index of 95 applies from the actual rod mill feed sizeof 19300 mµ although some of this work might ideally be done by crushers to achieve a rod mill F80 of 16000 m to a rod µ
Read MoreCorrection of Bond Ball Mill Work Index Test for Closing Mesh Sizes It is commonly known that one must run the Bond ball mill work index test such you pick a closing mesh to give a P80 close to desired grind size
Read MoreDrop Weight Index DWi and the coarse ore grinding index M ia Test data from the Bond ball mill work index test is used to calculate the fine grinding index M ib The M ia and M ib indices are used to calculate specific energy for the coarse W a and fine W b components of the total grinding specific energy at the pinion W
Read MoreSimilar to a Comparative Work Index this test is an open circuit dry batch grindability test run in the standard Bond Ball Mill for a set time It can be used at mesh sizes from 65 to 200 mesh normally 100 mesh The test requires calibration against the standard Bond Ball Mill Work Index test to estimate the Work Index
Read MoreIn practice it is possible to find materials of nonstandard size that are finer than 3327 this work a procedure for the calculation of the Bond work index is suggested for cases when the
Read MoreDec 12 2016 · 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 bulk density specific
Read MoreThe method requires all the elements of the ball mill work index test to be filled in Ball mill Wi test closing screen size umclosing µm Ball mill Wi test product size P 80 µm Ball mill Wi test feed size F 80 µm Ball mill Wi grams per revolution at test conclusion gpr Required parameters F 80 µm is the 80 passing size of the
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