### (PDF) Design of the 40 foot diameter SAG

PDF On Sep 1, 2001, R. Dunne and others published Design of the 40 foot diameter SAG mill installed at the Cadia gold copper mine Find, read and cite all the research you need on ResearchGate

More### Design of the 40 foot SAG Mill Installed at the Cadia Gold ...

The design of the 40-foot diameter SAG mill installed at the Cadia Gold Mine, New South Wales Australia, followed after two years of extensive laboratory and pilot plant testwork. This showed the Cadia ores to be hard and competent necessitating the use of both a variable speed mill

More### 40 ft cadia sag mill - crusher.quartz-crusher

CADIA Australia SAG-Mill 40 20,000 1998 Plant Country Type of Mill ID of Mill ... Gearless Drive 20 000 kW for a 40 ft. SAG-Mill Commissioning in May 1998 Elastic ... Request Quotation. operating experience with the 40 foot diameter SAG mill at Cadia: Ø It was necessary to increase the SAG mill ball charge to around 14% Request Quotation

More### The evolution of the Cadia 40-foot SAG mill to treat

2021-2-27 The 40-foot (40') SAG mill now receives a feed of predominantly high pressure grinding rolls (HPGR) product with a minor component of secondary crushed ore at a combined F80 of 17mm. This significant reduction in feed size to the SAG mill has markedly changed the operating characteristics of the mill, which has been extensively studied since ...

More### Design of the 40 foot SAG Mill Installed at the Cadia

The design of the 40-foot diameter SAG mill installed at the Cadia Gold Mine, New South Wales Australia, followed after two years of an extensive laboratory.

More### outokumpu 40 foot sag mill - BINQ Mining

The SAG mill is the third 40-ft unit to be driven by a Siemens system, the other two being the Sino Iron unit and another at Newcrest Mining’s Cadia Valley mine in » More detailed SAG Milling in Australia -Revised Submission

More### Cadia GMD Stator: Observed Behaviour and Modelling

2014-10-2 The Cadia SAG mill diameter is 40 ft and the ring motor that drives the mill is rated at 20 MW. In 1998 when the mill and motor were commissioned both were the largest machines of their type in the world. The stator exhibited vibration excursions that appeared to be related to the mill speed.

More### Major Mines Projects Cadia Valley Mine

Cadia Valley Underground Mine is located 22 km SW from Orange, New South Wales, Australia. ... (HPGR) unit treating screen undersize prior to the SAG mill; • Primary open circuit milling in a single 40-ft SAG mill fitted with a 20 MW motor. The motor will be upgraded to 22 MW.

More### R. Dunne's research works

It is suggested that the standard adopted is the '40 ft SAG mill' at Cadia Hill (Figure 4). The reasons for this choice are that it is a large mill, ...

More### SAG Milling in Australia -Revised Submission

2014-10-1 The Fimiston 10.97 m (36 ft) SAG mill uses twin wound rotor/gearbox/ pinion drives with variable speed achieved through CCV systems. The CCV – ring motor (gearless) drive is used at Cadia (20 MW) and Olympic Dam (18

More### SUPPLY, INSTALLATION, COMMISSIONING OF THE

2015-11-24 In June 1998, the world's largest grinding mill, the 40 ft (12.2 m) diameter 20 MW Cadia gearless SAG mill, was commissioned. This was a leap of over 40% above the largest operating SAG mill. A significant saving in capital cost gave the incentive necessary for a single mill line at Cadia, resulting in the selection of the 40 ft (12.2 m ...

More### Cadia EAnD

Cadia SAG Mill motor and ball mill gears Cadia GMD Stator: Preface The remedial design of the stator of the gearless mill drive (GMD) of the 40 ft SAG mill at Cadia Hill was

More### Cadia GMD Stator: Observed Behaviour and Modelling

2014-10-2 The Cadia SAG mill diameter is 40 ft and the ring motor that drives the mill is rated at 20 MW. In 1998 when the mill and motor were commissioned both were the largest machines of their type in the world. The stator exhibited vibration excursions that appeared to be related to the mill speed.

More### outokumpu 40 foot sag mill - BINQ Mining

The SAG mill is the third 40-ft unit to be driven by a Siemens system, the other two being the Sino Iron unit and another at Newcrest Mining’s Cadia Valley mine in » More detailed SAG Milling in Australia -Revised Submission

More### On the comparison between measured and calculated

2011-11-1 The Cadia SAG mill is 40 ft in diameter and the shell of the mill is 22 ft long between flanges. Strain gauges were applied to the Cadia mill at the locations shown in Fig. 2. The gauges were placed in similar locations to those on the Telfer mill but the feed end head gauges were omitted due to access restrictions during relining of the mill.

More### the largest grinding mill for copper ore

In June 1998 the world s largest grinding mill the 40 ft (12.2 m) diameter 20 MW Cadia gearless SAG mill was commissioned. This was a leap of over 40 above the largest operating SAG mill. A significant saving in capital cost gave the incentive necessary for a single mill line at Cadia resulting in the selection of the 40 ft (12.2 m . Chat Online

More### geita gold install sag mill

Siemens modernises SAG mill gearless drive in Cadia Valley . This two-stage grinding circuit consists of a 40 ft SAG mill with a 20 MW Siemens gearless drive and two parallel 10 MW gear driven ball mills. Siemens has now fitted the SAG mill with a Sinamics SL 150 cycloconverter for closed-loop control as well as with a Sinamics DCM control ...

More### SAG Milling in Australia -Revised Submission

2014-10-1 mill, and there is nothing to prevent a 1:1 aspect ratio mill of, say 10 m dia. x 10 m EGL equipped with a 20 MW motor from being fabricated. Such a mill would have a less arduous environment than, say, a 13.4 m (44-ft) diameter mill. Slurry transport issues then dominate the mill selection, rather than mechanical/structural constraints.

More### Major Mines Projects Cadia PC2-3 Expansion Project

Concentrator 1 was commissioned in 1998, designed for Cadia Hill ore and had a design capacity of 17 Mt/a. In 2012, Concentrator 1 was upgraded for the processing of harder Cadia East ore which included the addition of a HPGR circuit, ahead of the SAG Mill, and a third ball mill and third flotation train.

More### CONGA: THE WORLD’S FIRST 42 FOOT DIAMETER 28 MW

2018-5-10 sizes. The results of these studies showed that a single line 40 ft SAG mill circuit gave the best project economics. Further work was followed up to optimize the 40 ft SAG mill size with the results showing that a slightly more expensive 42 ft SAG mill with equivalent power to the 40 ft SAG mill enhanced the project economics.

More### Cadia GMD Stator: Observed Behaviour and Modelling

2014-10-2 The Cadia SAG mill diameter is 40 ft and the ring motor that drives the mill is rated at 20 MW. In 1998 when the mill and motor were commissioned both were the largest machines of their type in the world. The stator exhibited vibration excursions that appeared to be related to the mill speed.

More### Siemens modernises SAG mill gearless drive in Cadia

2021-1-14 At the Cadia Valley Operations, Newcrest operates two underground mines and one open pit mine. Ore is processed to a heavily auriferous copper concentrate in a crushing, grinding and flotation circuit. This two-stage grinding circuit consists of a 40 ft SAG mill with a 20 MW Siemens gearless drive and two parallel 10 MW gear driven ball mills.

More### outokumpu 40 foot sag mill - BINQ Mining

The SAG mill is the third 40-ft unit to be driven by a Siemens system, the other two being the Sino Iron unit and another at Newcrest Mining’s Cadia Valley mine in » More detailed SAG Milling in Australia -Revised Submission

More### On the comparison between measured and calculated

2011-11-1 The Cadia SAG mill is 40 ft in diameter and the shell of the mill is 22 ft long between flanges. Strain gauges were applied to the Cadia mill at the locations shown in Fig. 2. The gauges were placed in similar locations to those on the Telfer mill but the feed end head gauges were omitted due to access restrictions during relining of the mill.

More### the largest grinding mill for copper ore

In June 1998 the world s largest grinding mill the 40 ft (12.2 m) diameter 20 MW Cadia gearless SAG mill was commissioned. This was a leap of over 40 above the largest operating SAG mill. A significant saving in capital cost gave the incentive necessary for a single mill line at Cadia resulting in the selection of the 40 ft (12.2 m . Chat Online

More### geita gold install sag mill

Siemens modernises SAG mill gearless drive in Cadia Valley . This two-stage grinding circuit consists of a 40 ft SAG mill with a 20 MW Siemens gearless drive and two parallel 10 MW gear driven ball mills. Siemens has now fitted the SAG mill with a Sinamics SL 150 cycloconverter for closed-loop control as well as with a Sinamics DCM control ...

More### Mill drives: the desire for increased power and the ...

2021-2-12 SAG mill drives (as GMDs) by some operators and principal motor designers/manufacturers until the reasons for known problems in design or manufacturing were better understood and resolved. Accordingly, the latest 40 ft dia. SAG mill is rated at 29 MW and 78% C.S., with a 42 ft dia. mill built but not yet operational. The more recent option

More### selection criteria for sag mill drive system

HPGRCEEC (Coalition for Eco Efficient The evolution of the Cadia 40-foot SAG mill to treat the Cadia East orebody a case study of incremental change leading to operational stability T. Waters A. Rice J. Seppelt J. Bubnich B. Akerstrom 14th AusIMM Mill Operators Conference 2018 29-31 August Brisbane ABSTRACT The Concentrator 1 plant at Cadia ...

More### Alan Boughey - Academia.edu

This was a leap of over 40% above the largest operating SAG mill. A significant saving in capital cost gave the incentive necessary for a single mill line at Cadia, resulting in the selection of the 40 ft (12.2 m) diameter mill.

More### concentrator sag grinding mill - Strategic Sourcing

Concentrator Sag Grinding Mill ia-suknie-slubnepl Improvements in sag mill throughput from finer feed size at the newmont ahafo operation adrian dance1 OreThis is followed by an sabc circuit comprising a 34 x 164 ft 13 mw semi autogenous grinding sag mill in closed circuit with two 600 kw pebble crushersSag milling is followed by a .

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