# sag mill design

### Ring gear drives huge grinding mill Machine Design

By this summer, a grinding mill that is bigger around than a Boeing 747 will turn chunks of copper ore into gravelsized bits for smelting and refining. The largest ring gear will make it happen

Get price### Optimize SAG milling with customised grinding ball design

The sheer size and scale of new ore processing operations, with their associated desire to substantially increase product throughput, means that primary SAG mills have grown to larger capacities. Paul Peng, CEO and chief metallurgist at Sino Grinding Industries (SGI), emphasizes it is critical that grinding media is designed and manufactured to cope with this []

Get price### Geomagic Design X Volume Calculation SAG Mill YouTube

Jan 30, 2018 · This video shows how to calculate Volume of a SAG Mill using GEOMAGIC DESIGN X in under 6 minutes from start to finish. Alignment: Local Based on Pick Point & Global and Fine Merge: HD Mesh

Get price### TECHNICAL NOTES 8 GRINDING R. P. King

LG A mill power equation for SAG mills. Minerals and Metallurgical Processing. Feb 1990 pp5762. Gross power No load power Net power drawn by the charge (8.13) The net power is calculated from Net power KD2.5L e! c./ Watts (8.14) In equation 8.14, D is the diameter inside the mill liners and Le is the effective length of the mill including the

Get price### SAG Mill Grinding Circuit Design

SAG mill itself and not on the test work program. Stated another way, money invested in a large SAG mill is an investment that can produce handsome returns if extra production is needed or simply to give the mine the option to mill the hardest ores at design throughput rates.

Get price### Outotec Grinding technologies

Outotec Grinding technologies 005 Robust design Outotec mills are designed to produce optimal results, even in harsh environments. Outotec offers both trunnion and shell supported mill design, complemented by a drive solution tailored for optimum performance in any environment. Mill bearings The type of support bearing is selected on the basis of

Get price### (PDF) Optimisation of the Sossego SAG mill Mauricio

The SAG mill discharges onto contributing to the low throughputs obtained in the SAG mill. The role of two 12'' x 24'' horizontal vibrating screens whose oversize is conveyed to SAG mill grate open area and aperture was evaluated in detail.

Get price### Manual design of SAG/ball/rod mill foundations

Mar 14, 2007 · Have personally never been invovled with the design of a SAG Mill foundation, but have done a number of rotler, balancer, very large CNC Mills A number of these issues are common to both, but as I understand it the typical SAG Mill is very large and I

Get price### THE COMMINUTION CIRCUIT DESIGN FOR THE CONSTANCIA

ABSTRACT This paper discusses the process design and layout of the Constancia Project comminution circuit. The circuit consists of a 60 x 113 primary crusher, two 16 MW SAG mills and two 16 MW ball mills.

Get price### SAG MILL DISCHARGE SCREENSTROMMEL vs. VIBRATING

SAG MILL DISCHARGE SCREENSTROMMEL vs. VIBRATING Tony Moon, RTZ What I''d like to talk about is probably one of the nastiest bits of mill design for a grinding circuit, and that is the choice of what do you use on a SAG mill discharge? Do you use vibrating screens or trommel screens? What many of you probably don''t realize is that at

Get price### SAGMILLING.COM

Grinding Circuit Modelling Documentation. This documentation describes the operating and underlying mathematics of the SAGMILLING.COM grinding circuit modelling program. It is intended to be used by the model users who want to operate and understand the functioning of grinding models.

Get price### STARTLING EFFECT OF BALL SCATS REMOVAL ON SAG MILL

Plant Manager Process Design, AngloGold Limited PO Box 62117, Marshalltown, 2107, Johannesburg, South Africa email: [email protected] ABSTRACT An increase of over 10% in mill throughput was achieved by removing the ball ss from a singlestage SAG mill. These ss are nonspherical ball fragments resulting from uneven wear of balls with

Get price### Improving Energy Efficiency Via Optimized Charge Motion

The product from the SAG mill is further reduced in size using pebble crushers and ball mills. Hence, typical gold or copper ore requires between 2.0 and 7.5 kWh per ton of energy to reduce the particle size. Considering a typical mining operation processes 10,000 to 100,000 tons per day the energy expenditure in grinding is 50 percent of the

Get price### sag mill foundation design loofamsterdam.nl

Conga: The world''s first 42foot diameter 28 MW gearless SAG mill sag mill foundation design,failures have not occurred in large GMD SAG mills, the mill design was not exempt from a reliability survey This survey, resonance components of the soil, foundations, mill bearings, mill, rotor, magnetic pull between stator and rotor, and the.Fraser Osborn Simberi Gold ExpansionSimberi Gold

Get price### Grinding Circuit Design for Adanac Moly sgs.com

design of a plant for Adanac Moly Corp. to include SAG and Ball milling. The hardness of each sample was measured in terms of SAG power index, SPI (for SAG grinding) and Bond Ball mill work index, BWi (for ball mill grinding). A further measure, the Minnovex crusher index, Ci was also measured for use in the CEET program to determine SAG

Get price### Grinding Circuit Design for Adanac Moly sgs.com

design of a plant for Adanac Moly Corp. to include SAG and Ball milling. The hardness of each sample was measured in terms of SAG power index, SPI (for SAG grinding) and Bond Ball mill work index, BWi (for ball mill grinding). A further measure, the Minnovex crusher index, Ci was also measured for use in the CEET program to determine SAG

Get price### Grinding mills – Energy efficient solutions to maximize

Every mining operation has a unique grinding process. has experience of over 8,000 grinding mills globally, including manufacturing and delivering the largest SAG/AG mills in the world. Our experts welcome the opportunity to assist you with circuit and circuit control design as well as startup, operation, and optimization of your mill.

Get price### SAG Mill Liner mgscasting.com

SAG Mill Liner Design. As a casting foundry, MGS Casting also has own SAG mill liner design. In general terms, lifter spacing and angle, grate open area and aperture size, and pulp lifter design and capacity must be considered. Each of these topics has had a considerable amount of research, and numerous case studies of evolutionary liner design

Get price### SAGMILLING.COM

Grinding Circuit Modelling Documentation. This documentation describes the operating and underlying mathematics of the SAGMILLING.COM grinding circuit modelling program. It is intended to be used by the model users who want to operate and understand the functioning of grinding models.

Get price### Orway Mineral Consultants Canada Ltd. Mississauga, ON

design to specify a feed and product size plus a hardness index to produce a specific energy value (kWh/t). The laboratory benchscale SAG mill reproduces operating conditions of a commercial SAG mill, in a closed circuit dry grinding environment. The ground product for the laboratory SAG mill is then

Get price### Equipment Specifiion Sheet: SAG Mill InfoMine

Equipment Specifiion Sheet: SAG Mill Specific Gravity 3.6 tonnes/m3 Ball Mill Work Index 11.1 metric @ P 80 88 µm Primary Grind P 80 43 µm Production Rate 181.2 tonnes/hour Rod Mill Work Index 8.6 metric Ball Mill Work Index 12.2 metric Feed to SAG Mill 80% passing 150 mm

Get price### Optimizing your SAG mill operation International Mining

Similar to the impeller design affecting pump capacity, the pulp lifter design affects the discharge capacity (or mill throughput) of AG and SAG grinding mills. Generally, the discharge from AG/SAG mills consists of one or both of the following components: slurry (water and

Get price### Modelling SAG milling power and specific energy

Modelling SAG milling power and speciﬁc energy consumption including the feed percentage of intermediate size particles plant testing and its nature is considered in SAG mills design and optimisation. In many cases the feed size distribution is even more the SAG mill critical speed Pc = SAG mill power consumption

Get price### SAG Mill Operation at Cortez: Evolution of Liner Design

123 PAPER 9 SAG Mill Operation at Cortez: Evolution of Liner Design from Current to Future Operations Julius Stieger1, Process Superintendent Dave Plummer2, Process Maintenance Planner Sanjeeva Latchireddi3, Chief Process Engineer Raj K. Rajamani4, Professor – Metallurgical Engineering 1Barrick Cortez Gold Mines Star HC66 Box 1250

Get price### Technical Program SAG Conference

SAG Mill Ball Charge Modelling at Mt. Milligan Simonian, Peters, & Doll: 28: 10:45: Design, Construction and Operating Experience of the SAGTower Mill Circuit at SEMAFO''s Boungou Mine in Burkina Faso Boylston & Houde: 29: 11:00: The impact of expanding screening capacity of the Kansanshi SAG Mill discharge on the overall circuit performance

Get price### SAG Mill Feed The Beast Wiki

The SAG Mill is a block added by the EnderIO mod. A machine similar to a Pulverizer or a Macerator. It is used to process resources to produce dust. It accepts energy in the form of Redstone Flux or Minecraft Joule, with an internal buffer of 100,000 RF and consumption of 20 RF per tick.

Get price### The Selection Design and Appliion of Mill Liners for

> Liner design has a significant effect on mill performance and liner life > Engineering approaches have highlighted mill performance with mill modelling and the use of improved materials > Liner design,with the advent of large diameter SAG mills, the issues of design, selection, monitoring and evaluation of mill performance is critical

Get price### SAGMILLING.COM .:. Articles

An updated data set for sag mill power model calibration This paper expands the SAG mill survey database published by the Author at Procemin 2013. The new database includes 49 published SAG/AG mill surveys and includes mills from all over the world.

Get price### Outotec Grinding Mills Outotec

We offer autogenous (AG), semiautogenous (SAG), ball, rod, and pebble mills in sizes ranging from kWs up to 30+ MW. Our product range also includes a number of unique solutions, including the world''s largest acidresistant grinding mills, which can operate with extremely corrosive slurry.

Get price### SAG Mill Liner Design Mineral Processing & Metallurgy

To a more significant degree than in other comminution devices, SAG Mill Liner Design and Configuration can have a substantial effect mill performance. In general terms, lifter spacing and angle, grate open area and aperture size, and pulp lifter design and capacity must be considered.

Get price### Optimization of the Design of SAG Mill Internals Using

Optimization of the Design of SAG Mill Internals Using High Fidelity Simulation by John A. Herbst Svedala Optimization Services and Lawrence Nordell Conveyor Dynamics, Inc. September, 2001 ABSTRACT High Fidelity Simulation of SAG milling is a technique, which uses DEM, CFD and FEM to

Get price### Geomagic Design X Volume Calculation SAG Mill YouTube

Jan 30, 2018 · This video shows how to calculate Volume of a SAG Mill using GEOMAGIC DESIGN X in under 6 minutes from start to finish. Alignment: Local Based on Pick Point & Global and Fine Merge: HD Mesh

Get price### lime plant sag mill skiforyou.ch

SAG Mill Grinding Circuit Design Semi Autogenous Design FactorsSag Mill Operation ExampleProcess Plant DescriptionSag Mill Design and SpecifiionOperating Problems Since CommissioningDesign Changes and Future Operating Strategies The design of large mills has become increasingly more complied as the size has increased and there is little doubt that without sophistied design

Get price### A Method of C alculating Autogenous/ SemiAutogenous

SAG mill can operate at a reasonable ef ciency if the ﬁ nal ﬁ an inefﬁ ciency value in the region of 1.25 because the design 80 per cent passing value is not achieved. The ball mill usually assesses at an efﬁ ciency of 0.85 or better because the cyclone

Get price### sag mill foundation design loofamsterdam.nl

Conga: The world''s first 42foot diameter 28 MW gearless SAG mill sag mill foundation design,failures have not occurred in large GMD SAG mills, the mill design was not exempt from a reliability survey This survey, resonance components of the soil, foundations, mill bearings, mill, rotor, magnetic pull between stator and rotor, and the.Fraser Osborn Simberi Gold ExpansionSimberi Gold

Get price### Outotec Grinding technologies

Outotec Grinding technologies 005 Robust design Outotec mills are designed to produce optimal results, even in harsh environments. Outotec offers both trunnion and shell supported mill design, complemented by a drive solution tailored for optimum performance in any environment. Mill bearings The type of support bearing is selected on the basis of

Get price