# pinion on sag mill

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### Grinding Mill Gear Assembly

2015 7 28 By mill we refer to Ball Mills Rod Mills and SAG Mills Anything gear and pinion really The discharge end of the mill For the operator this only becomes a problem should the bolts that hold the liners in begin to leak water and ground rock This combination is called SLURRY If this slurry gets onto the face of the bull gear it will act like

Get Price### Mining Weekly

2005 8 26 Discussing this new range of products Calver explains that the Impactmeter patent pending is an acoustical instrument developed for the purpose of monitoring impacts inside a SAG mill

Get Price### Minerals

Firstly there was a serious flaw in the power configuration of the SAG mill and ball mill both rated at 6000 kW with a single pinion drive The capacity of the SAG mill was not fully utilized as the actual operating power draw was only 3358 kW This meant it was only operating at 56 of its maximum power providing large room for improvement.

Get Price### Innovative Gear Drive Solution for Grinding Mills

2020 4 8 Both the SAG mill and ball mill are each driven by two gear units Because on a conventional drive variant only one engagement per pinion with the girth gear is possible per side an economic power limit of about 8 MW per drive is in effect With the DMG2 gear units Siemens said this limit expands to as much as 12 MW per drive.

Get Price### Gearless mill drives

2021 2 16 28 MW GMD for a 40 SAG mill 28 MW GMD for 42 SAG mill Whether it is size or an installation at the highest altitude 4600 m.a.s.l ABB s GMDs are well positioned to contribute to the building of larger and ever more powerful mills Leading the gearless mill drive evolution The ABB gearless mill drive GMD is the most powerful

Get Price### rod Mill Girth Gear and ball mill girth gear and sag mill

High quality rod Mill Girth Gear and ball mill girth gear and sag mill girth gear for sale from China China s leading Oxidized Pellet Mill Girth Gear product with strict quality control GS42CrMo4 ball mill Ring Gear factories producing high quality HRC55 Mill Girth Gear products.

Get Price### What s the Difference Between SAG Mill and Ball Mill

2019 11 26 The biggest characteristic of the sag mill is that the crushing ratio is large The particle size of the materials to be ground is 300 400mm sometimes even larger and the minimum particle size of the materials to be discharged can reach 0.1 mm The calculation shows that the crushing ratio can reach 3000 4000 while the ball mill s

Get Price### MODELLING THE INFLUENCE ON POWER DRAW OF THE

stage AG/SAG mills it became clear that even grate discharge mills can accumulate slurry at the toe of the charge and this can considerably affect power draw depending on the extent of mill has a gear and pinion drive Note that this definition of net power is not the same as the

Get Price### Grinding Circuit

SAG mill product feeds two parallel ball mills of 6.6 m 11.1 m internal diameter length each with a 9.7 MW twin pinion drive The ball mills are operated at a ball charge volume of 30–32 and 78.5 critical speed The SAG mill trommel undersize is combined with the ball mills discharge and pumped to two parallel packs clusters of

Get Price### Grinding Mills

SAG mill product feeds two parallel ball mills of 6.6 m 11.1 m internal diameter length each with a 9.7 MW twin pinion drive The ball mills are operated at a ball charge volume of 30–32 and 78.5 critical speed The SAG mill trommel undersize is combined with the ball mills discharge and pumped to two parallel packs clusters of

Get Price### Pinion Gear Sag Mill

Pinion Shaft is the key component in the transmission system of the mill especially the large scale SAG mill AG mill and ball mill It has strict requirements for material and manufacturing complex process flow and high precision Therefore the selection technology and manufacture of pinion

Get Price### Grinding mills

1991 9 1 The standard line of mills includes autogenous AG and semiautogenous SAG mills beginning with a 6 ft x 2 ft 1.83 m x 0.61 m 25 hp 18.7 kW laboratory mill and is followed by 12 ft to 36 ft 3.7 m to 11 m diameter mills ranging in power from 150 to 20 000 hp 112 to 14 900 kW .

Get Price### Sag Mill Of Running

Sag Mill Of Running FOB Reference Price Get Latest Price Pinion on sag mill grinding mill china ant mill maintenance services laser alignment pinion girth gear maintenance installation whether you operate a ball mill sag mill or any other type of mill you know the importance of keeping the mill running unplanned down time.Sag mill ring gear failureread more.

Get Price### Experimental Analysis of Semi autogenous Grinding Mill

2019 10 4 To predict the power of the SAG mill Hoseinian et al proposed an analytical model based on gene expression programming To develop their model they employed several tests by varying the SAG mill parameters such as the moisture of charge mass flow rate cell weight of mill load solid percentage and inlet and outlet water to the SAG mill.

Get Price### sag mill dion pinion drive

SAG millsOutotec We are essentially providing up to twice the power transmission of a conventional dual pinion drive Gearless mill drive GMD technology has further expanded the use of large SAG milling allowing Outotec to produce the world s largest SAG mill

Get Price### MODELLING THE INFLUENCE ON POWER DRAW OF THE

stage AG/SAG mills it became clear that even grate discharge mills can accumulate slurry at the toe of the charge and this can considerably affect power draw depending on the extent of mill has a gear and pinion drive Note that this definition of net power is not the same as the

Get Price### Selecting Inching Drives for Mill and Kiln Applications

2016 5 21 the mill gear in inching mode N o mill is the actual output speed of the mill gear in normal running mode P mill motor is the actual power of the main drive motor or 2 x main drive motor for dual pinion drives The power computed above is considered P inch = N o inch P mill motor N o mill

Get Price### installation twin pinion sag mill

Key Words SAG mill start up Comminution Tests Bond Work Indices These projects involved SAG mills from 26 to 36 ft in diameter with installed power in the range 97 to 168 MW using single twin pinion and gearless technology for.

Get Price### My Gear is Bigger than Your Gear

2014 7 17 Lake SAG mill gear sets at 13.4 meters Rhody says Additionally there are five others with diameters between and 13 13.2 meters In terms of mill power two of these have a total mill power of 24 138 hp There are three other ball mill gear sets with diameters less than 13.1 that have a mill

Get Price### installation twin pinion ball mill

Grinding Mills SAG mill product feeds two parallel ball mills of 6.6 m 11.1 m internal diameter length each with a 9.7 MW twin pinion drive The ball mills are operated at a ball charge volume of 30–32 and 78.5 critical speed Chat Online Selecting Inching Drives for Mill and Kiln Applications

Get Price### Pinions For Grinding Mills Rolling Mills and Gearboxes In

Grinding Mill Pinion Ball mill SAG mill Rod mill Pellet Rotary Kiln Pinion rotary kiln pinion cement mill pinion Manufacturing Standards and Materials AG2101 d04 and AGMA 6114 17CrNiMo6 20CrNi2MoA 30Cr2Ni2Mo Carburizing Gear Accuracy AGMA 2101 d04 AGMA 6114 and grade 5 A5 in AGMA 2015 and the precision of quenched and

Get Price### Grinding Mills

2014 6 15 Grinding Mills CITIC HIC manufacture a full range of Grinding Mills for the Mining Sector Our largest mills has been delivered to SINO Site to date are Ø12.2m x 11m 28MW Gearless Drive AG Mills and Ø7.9m x 13.6m 2x8 MW Twin Pinion Drive Ball Mills These mills are scheduled of start up on 2012 Our market share in China exceeds 80 with the

Get Price### Pinion Shaft For Mining Grinding Mill HENGIN

Pinion Shaft is the key component in the transmission system of the mill especially the large scale SAG mill AG mill and ball mill It has strict requirements for material and manufacturing complex process flow and high precision Therefore the selection technology and manufacture of pinion shaft

Get Price### Optimal Speed Control for a Semi Autogenous Mill Based

Therefore SAG mills are favored by large mines and are becoming more and more widely used in the mineral processing industry 1 2 A SAG mill has low speed and heavy load which cause the energy consumption of grinding operation to be very high It accounts for a large proportion of the electrical consumption across the plant .

Get Price### Ball Mills and Sag Mill problem

2007 11 21 We have two Ball Mills and one Sag Mill We had some visual inspection on pinion and ring gears during these inspections we found some abnormal wear on this gears pictures show this problem in enclosure After that we decided to do some tests as vibration and oil analysis Result of the vibration and oil analysis tests are as a below

Get Price### Ok Tedi plans for long term with SAG mill upgrades by

2017 11 22 On SAG 1 the two existing motors will be replaced with 12 pole low speed induction motors operated at 20 hertz Hz Due to the low speed nature of the drive train a torque limiting coupling is fitted to protect pinion and girth gear from eventual transient torques.

Get Price### installation of grinding mill girth gear and pinion

installation twin pinion sag millwereldpraktijk sag mill alignment Elastic mill sag by weight of mill balls and materia to grind After temporary alignment of the teeth of pinion and girth gear with the mill empty Fig 8a re alignment should be undertaken with the mill filled with mill balls i e with reference to

Get Price### Power based modelling of single stage AG and SAG mill

The SGI equation uses a transfer size between a SAG and ball mill it is proposed that a synthetic transfer size of 2100 µm be used to model single stage SAG mills 5.9ˇ √˙˝ ˛ ˚ 0.96 0.985˜ # ˝ ˝ √˙˝ 2 where SGI is the SAG Grindability Index minutes P80 is the SAG hydrocyclone overflow 80 passing size µm

Get Price### Sag Mill Synchronous Motors

sag mill mining motor AM King each with 1 500 HP Motor Dismantled Ball Mill SAG Mill HighPressure Grinding Rolls synchronous motor Gearless Mill Drive Get Price Sincronous Motor Drive Ball Mill Polysius grinding mills can be driven via ring gear pinion motor on a SAG mill Synchronous motor drive with air clutch Direct Drive Ball Mill

Get Price### SAG Mill

Rely on our proven track record of AG and SAG Mill superiority Since the early 1980s we have been designing and manufacturing Semi Autogenous Mill SAG Mill and Autogenous Mill AG Mill under the Fuller Traylor brand Semi autogenous grinding

Get Price### Mill upgrade commissioned

ABB has commissioned an upgrade to Vale s existing Clarabelle dual pinion semi autogenous SAG mill Fig 1 The mill is used to reduce the size of the ore at the company s nickel and copper mines in the Sudbury area Ontario The project was completed on time and on budget with an excellent safety record.

Get Price### Successful Design of the NICO Grinding Circuit for

2021 1 19 29 kWh/t of SAG pinion energy to achieve 1.7mm T80 represented the correct design hardness for the NICO project mills And whether the total pinion energy SAG plus ball mill was sorted by increasing SAG or by increasing total pinion energy the result was the same.

Get Price### Autogenous grinding mills AG mills

Gearless mill drive GMD technology has further expanded the use of large AG 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 AG mills operating globally.

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