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# sag mill power draw

• ### Calculate Sag Mill Power Draw

Power Draw Ore SG Throughput ton/hr ton/day Capacity Installed Conditions MILL POWER DRAW AND THROUGHPUT CAPACITY : Circuit ton/hr Ore Hardness SAG mill specific pinion energy to grind ore from 80% passing 152 mm to 80% passing mm (W SDT), herein referred to as macro ore hardness. The SAG mill product is then crushed to 100% passing 3

• ### GROSS POWER CALCULATOR

power draw of an AG/SAG mill to drop can be gauged by switching the discharge mechanism choice in the model from grate to overflow when predicting the power draw of an AG/SAG mill. 4 Figure 1 – Measured vs Predicted Motor Input Power . 0 2000 4000 6000 8000 10000 12000 14000

• ### Powerbased modelling of singlestage AG and SAG mill circuits

The survey data collection included the power draw of the singlestage SAG mill, the fresh feed rate, particle size distributions for circuit feed and product, and the pebble rejection rate (pebbles are discarded from the SAG circuit and treated elsewhere). Grindability testing for SGI and/or a

• ### calculate sag mill power draw

calculate sag mill power draw. Figure 84 The effect of mill speed on the power drawn by a rotating mill The liner profile and the stickiness of the pulp in the mill can have a significant effect on the actual critical velocity Mills usually operate in the range 65 82 of critical .

• ### Calculate Sag Mill Power Draw

Calculate Sag Mill Power Draw. of the Bond ball mill grindability test. For all model based methods, a reliable method to calculate mill power draw for a given mill is required for the calculation of power draw. Morrell (1996) proposed a mathematical model for autogenous, semiautogenous and ball mills which is based on the motion of grinding ...

• ### A comparison of SAG mill power models

SAG Mill power draw models are used in mill design and grinding circuit modelling to predict how much power will be consumed by a particular mill geometry and operating configuration. This paper will compare SAG mill models by Morrell, Loveday (using "Power Numbers" published by Barratt) and Austin against several published mill surveys.

• ### (PDF) SAG mill power draw simulation using variance ...

Using Monte Carlo simulation showed that the mean power draw of Sarcheshmeh SAG mill is about. kW with a standard deviation of kW, with the highest frequency occuring between ...

• ### SAG mills

Gearless mill drive (GMD) technology has further expanded the use of large SAG milling allowing Outotec to produce the world's largest SAG mill of 42' in diameter drawing power at 28 MW. Today, Outotec is the world leading supplier of gearless SAG mills operating globally.

• ### SAG Mill Power Draw

Calculation of SAG Mill Power Based Morrell Equations

• ### Calculate Sag Mill Power Draw

Calculate Sag Mill Power Draw. The no load power is a measure of some of the power losses in the gears bearings and electrical components and is the gross power draw of the mill when empty obtained either during commissioning of the mill or when ground out for a mill reline.