### Feed Size VS Ball Size - Grinding & Classification ...

Feed Size VS Ball Size (7 replies) One can argue the f50 is a more realistic value since balls wear and the average ball size might be closer to half the maximum. Then the multiple would be closer to 13 times the maximum particle size fed to the ball mill. A f80 = 6 mm would need a ball size of 75 mm.

### What Is The Feed Size For Ball Mill

The size of ore shall not exceed 65mm and the best feed size is under 6mmhe effect in this stone is better than coarse grindingrid ball mill consists of the shell, feeding part, discharging part, main bearing, lubricating system, driving system and other parts.

### what is the feed size for ball mill

A typical type of fine grinder is the ball mill.... is the mill circuit product size in micrometers; F80 is the mill circuit feed size in micrometers.

### CALCULATION OF MAXIMUM BALL SIZE FOR BALL MILL GRINDING

Jun 25, 2018 · The Size of the mill feed (80% passing) =F (microns) Work index for the feed = Wi kwh/s.ton %age of mill in critical speed = Cs (percent) Specific gravity of the feed = S (gm/cm3) Mill effective diameter = D (meter) Then, Maximum ball size for ball mill grinding is B(mm)

### Calculate and Select Ball Mill Ball Size for Optimum Grinding

Calculate and Select Ball Mill Ball Size for Optimum Grinding. Based on his work, this formula can be derived for ball diameter sizing and selection: Dm <= 6 (log dk) * d^0.5 where D m = the diameter of the single-sized balls in mm.d = the diameter of the largest chunks of ore in the mill feed in mm.

### Ball Mill: Operating principles, components, Uses ...

The balls which could be of different diameter occupy 30 -50% of the mill volume and its size depends on the feed and mill size. The large balls tend to break down the coarse feed materials and the smaller balls help to form fine product by reducing void spaces between the balls. Ball mills grind material by impact and attrition.

### what is the feed size for ball mill

the feed rate for ball mill and the size is 900x2100. How Ball Mill Ore Feed Size Affects Tonnage & Capacity. The finer you crush, the higher your ball mill tonnage and capacity will be. The effect of ball mill feed size and how it affects circuit throughput can be hard to estimate.

### Ball Mill - RETSCH - powerful grinding and homogenization

Ball mills are among the most variable and effective tools when it comes to size reduction of hard, brittle or fibrous materials. The variety of grinding modes, usable volumes and available grinding tool materials make ball mills the perfect match for a vast range of applications.

### How can one select ball size in ball milling and how much ...

Popular Answers ( 1) Ball size depends on initial size of charge and ranges from 10mm-150mm dia. For particular material and initial size the ball size must be optimized. Please refer the link below and see if it works for you and other method is hit and trial.

### What is a ball mill? What are its uses and advantages? - Quora

Energy Saving Ball Mill * Product Introduction A high efficiency and energy saving ball mill with rolling bearing * Capacity Up to 160t/h * Product Improvement Cylindrical energy saving grid ball mill is lined grooved ring plate which increases th...

### Optimum choice of the make-up ball sizes for maximum ...

As the feed size is reduced further, less of the 50.8 mm balls and more of the 25.4 mm balls are required for the maximum capacity, attaining 100% of 25.4 mm balls for a feed size of 4.7 mm ( Fig. 6 d). The capacity difference between the best and the worst make-up ball mixtures was as high as 150%.

### what is the feed rate for ball mill and the size is

feed of ball mill | limestone wet ball mill limestone feed size – YouTube Ball mills are used primary for single stage fine grinding, regrinding, and as the … Feed size is 80% passing 1/4″ (6mm or finer) for hard ores and 80% passing 1″ …

### feed size ball mill - extruder-machine.be

· Specific gravity of the feed = 2.2 gm/cm3. Mill effective diameter = 2.23 m. 335 is a constant used for dry grinding with steel balls in the mill. Actual size of media is taken is lower than the calculated value. It is around 80 to 90 mm.

### Industrial Grinding Mills - Hippo Hammer Mills 5 to 100 HP

AdHeavy duty grinders for a wide variety of materials. Grains, Herbs, Wood.