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Start Your ProjectFeb 06 2011 re how to estimate the wear rate for ball mill as per the experience for 3 chambers 1000 hp cement mill the given below thumb rule of wear rate and kwh was found to be practicle 1st chamber 03 kgs tonne cement ground 90 mm make up load 2nd chamber 02 kgs tonne cement ground 60 mm make up load

Dec 08 2009 re how to estimate the wear rate for ball mill hey ball wear can be measured by weighing an entire charge before and after grinding a known tonnage of materials with new balls sample of given size can be weighed before and after grinding a given tonnage and assuming uniform wear per unit of ball surface the total charge wear can be estimated

May 09 2009 re how to estimate the wear rate for ball mill dear mr bhandari i have developed software to calculate best pattern for material you want to grind kotiyal reply know the answer to this question join the community and register for a free guest account to post a reply

Re re how to estimate the wear rate for ball mill dear mr vikpro i agree with your statement and your willingness to help i see you have lot of useful calculation sheets could you please forward me the sheets for the following to apostoloskosmasyahoocom

Per annum as such developing the ability of predicting mill wear will allow a more accurate estimate of wear cost1 but to the authors knowledge there has not a practicable grinding media wear rate model been well established typically the ball charge motion prole exhibits three comminution zones that can be characterized i by ball

Feb 06 2011 re how to estimate the wear rate for ball mill as per the experience for 3 chambers 1000 hp cement mill the given below thumb rule of wear rate and kwh was found to be practicle 1st chamber 03 kgs tonne cement ground 90 mm make up load 2nd chamber 02 kgs tonne cement ground 60 mm make up load

Dec 08 2009 re how to estimate the wear rate for ball mill most practical way to by measuring empty height and calculating the volumetric filling of grinding mediaalternative way to make track of mill main drive kw consumption reduction and add makeup charge according to the extent of fall in power consumption

May 09 2009 re how to estimate the wear rate for ball mill dear mr bhandari i have developed software to calculate best pattern for material you want to grind kotiyal reply know the answer to this question join the community and register for a free guest account to post a reply

Re re how to estimate the wear rate for ball mill dear mr vikpro i agree with your statement and your willingness to help i see you have lot of useful calculation sheets could you please forward me the sheets for the following to apostoloskosmasyahoocom

Apr 01 1986 introduction austin and klimpel 1 recently derived functions to describe the size distributions of balls in tumbling mills in terms of a parameter 0 which they have introduced into the bond formulation 2 3 of the rate of ball wear in the form dm kr 2o dt where mt is the ball mass after t tons of material have been milled r is the

Jan 01 2016 the make up rate q b in kgday may be estimated by 96 q b d 2 l 4 06 j b b 8 q w d 24 10 3 where q w wear rate of the ball radius mmh d makeup ball size mm l d the length and diameter of the mill m

Used to calculate the coefcient of friction cof the wear tests were carried out at varying sliding distance ranging from 250 to 1000 m in a normal load range of 512 n and at a sliding velocity of 0025 ms for all compositions the weight loss was calculated the initial and nal weight of samples the wear volume was obtained

Place in ball pebble or rod mills the efficiency of wet grinding can be higher than that for dry grinding but wear of equipment is also higher usually some form of separation follows size reduction the most common is simple screening in which the screen openings are selected to pass the desired size range and retain material that is too

hss with added cobalt for wear resistance symbol exs l6231hd l6450 l6485 l6406 l6484 l6486 l6488 faster feed rates improved surface finish drillend mill selection tool hiperformance end mills gs mill hard ball

Re how to estimate the wear rate for ball mill as per the experience for 3 chambers 1000 hp cement mill the given below thumb rule of wear rate and kwh was found

Cement mill grinding media wear rate foleyinnovationsin cement mill grinding media wear rate crusher mill cement plant grinding media casting balls view casting ball cement plant grinding media casting ballsus 700 1000 get price here

Rod wear in convfmtional mill rod wear in center discharge mill three wave liner integral 11ft bar liner flow sheet clarkhilldam flaw sheet buggs island dam flow sheet hungry horse dam flow sheet detroit dam discharge area vb grindabi1ity of feed maximum minimum and desired sand specifications 11 page 7 8 10 17 17 17 13 14

Bond ball mill liner wear estimate 81 gkwh sag wear is less than half the bond bm prediction ball wear benchmarking larsen c cooper m amp trusiak a design and operation of brunswicks agsag circuit sag 2001 operating work index 115 kwht sag operating with 4 ball charge originally was ag sag 4 ball wear rate 012 kgt 10

Dec 29 2009 important consideration for a ball end mill is feed rate along with that decreased surface speed toward the center goes increased chip load start your feed at half what you would use for a similar straight cutter in the same material at the same rpm

The discharging fineness of the material milled by ball mill is between 007404mm and that of the material milled by rod mill is between 08330147mm 6 running cost the power consumption of the ball mill is slightly higher than that of the rod mill and the wear rate is also higher than that of the rod mill

May 01 2014 the rate at which material is removed from a ball is proportional to the surface area of the ball at that moment in time which can be written mathematically as 1 dv t dt 4 r t 2 or dv t dt 4 k 1 r t 2 where vt represents the instantaneous volume of the ball rt is the instantaneous radius of the ball and k 1 is the

Mosphere for 18 h with a balltopowder ratio of 110 and at a speed of 300 rmin in a satellite ball mill using wc vials and balls 10 mm in diameter mechanically alloyed powder was characterized by xrd on an xpert mpd philips diffractometer equipped with a cok 0154056 nm radiation source the particle morphology was characterized by

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