sag mill ring and pinion

SAG mills - Outotec

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 of 42' in diameter drawing power at 28 MW. Today, Outotec is the world leading supplier ...

Ring gear drives huge grinding mill | Machine Design

Mar 01, 2000· But this is no ordinary mill. With inside dimensions of 36-ft diam. and 19-ft long, this semi-autogenous grinding mill (SAG — see next section) will use a 43-ft diam. ring-gear drive to transmit ...

Sag Mill Drives: Girth Gears At 18,000 Hp

The single helical SAG mill girth gear, which is cast in four pieces, has 362 teeth, 0.75 DP, 863.6 mm face width, 12.4 m outside diameter and a 10.5 m diameter bore."The SAG mill is 34 ft. in diameter, dual pinion with 12,000 hp," says Neal Biege Sr., head of global marketing for FL .

Ball mill high vibs | AMP Maintenance Forums

Hi Observing high vibs on pressing and lifting pinion DE and NDE bearing on a ball mill. Motor and main GB drive are OK. Clear predominant gear mesh frequency is appearing in the spectrum along with harmonics and side bands. But 1st GMF is predominant. side bands with pinion speed is seen. no GG speed side band was observed Some of the vib data, spectrums and photos shown in the attachment.

sag mill and ball mill -

Sag Mill Ring And Pinion Ball Mill. Sag Mill Pinion Drive. Abb s gearless mill drive system is the most powerful mill drive system in the market to power semiautogenous sag ball and autogenous ag mills our gmd eliminates all mechanical components of a conventional mill drive system such as ringgear pinion gearbox coupling motor shaft and motor ...

What's the Difference Between SAG Mill and Ball Mill ...

Nov 26, 2019· 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 ...

Grinding Mill Foundations

Sep 23, 2014· A mill vendor is experienced in mill design and generally knows nothing about ring motors or foundations. A geared mill does not require a torsional analysis. Wrong for several reasons but for this post, the torsional harmonics can be greater than the dynamic loads of tooth mesh, mill and pinion rotation and liner loads.

sag or ball mill helical gears description

ball mill pulveriser ring gear and pinion samac. ... FOB Reference Price Get Latest Price Sag or ball mill helical ring gears description sag or ball Ball Mill an overview ScienceDirect Topics The ball mill is a tumbling mill that uses steel balls as the grinding media The length of the cylindrical shell is usually 115 times the shell diameter .

installation twin pinion sag mill

installation twin pinion sag mill [randpic] installation twin pinion sag mill 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

Grinding Mill Gear Assembly

Jul 28, 2015· We will begin with the mill's bull gear assembly and work towards the motor, The BULL GEAR, sometimes called the RING GEAR is designed to turn the mill transforming the energy of the motor into motion for the mill. By mill we refer to Ball Mills, Rod Mills and SAG Mills. Anything gear and pinion …

vertical mill gear dual pinion - BINQ Mining

DUAL PINION SAG MILL VS SINGLE PINION SAG MILL | Clinker Grinding Mill. ... SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed INTRODUCTION The project is located 15 km southwest of Princeton, ...

Pinion Drive Sag Mill -

SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed. Read more. A Updates on geared vs gearless drive solutions for grinding mills (operating). Among the many reasons that geared drives on large SAG mills ... twin pinion drives used primitive …

dual pinion sag mill

SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed The grinding circuit consists of a SAG mill and two ball mills, all dual pinion gear driven. Live Chat » dual pinion sag mill. dual pinion sag mill Get Price >>sag milling in australia - focus on the futureOrway, This is the third review of SAG milling practice in ...

how to set backlash ball mills - Hitlers Hollywood

SAG mill ball mill ring gear dual pinion drive systems variable speed the inching mode in the ABB drives are currently set to turn the SAG mill at about 10 of backlash phenomenon occurs between the pinions and ring gear. Get a Quote Send Message. MORE DETAILS:

CMP Paper 16.10.09 Final

torque that has to be transmitted to the mill through the torque tube at the charge or discharge side of the mill. Single and dual pinion configurations can be powered by low speed synchronous motors (approx. 160 - 200rpm) connected directly to the pinions driving the ring gear or by high speed

ABB ring geared mill drives - YouTube

For more information: continuously extends technical and performance frontiers of ring-geared mill drive technology to fit site requ...

gears andpinion for ball mill

sag mill ring and pinion. 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. get price. Ring gear drives huge grinding mill Machine Design. With inside dimensions of 36-ft diam. and 19-ft long, this semi-autogenous ...

Smooth Operators: Wichita multi-plate clutch technology

After mill-to-motor speed synchronization, multi-plate clutches can also provide a level of protection during torque overload conditions in the mill by slipping if an unforeseen load spike occurs. This slippage protects the mill's pinion gear, ring gear and gearbox (if installed), which are all expensive items with typically long lead times.

Mill drive selection for semiautogenous grinding mills

Table 1). SAG mill drive systems used on the same size grinding mill: Cupitul cost fixed speed ac synchronous drive In calculating the NPC, the capital complete with ring and pinion gears; cost in US dollars for each SAG mill variable speed dc drive complete system was determined. Although the with ring and pinion gears; ringmotor gearless drive.

Dual Pinion Sag Mill Vs Single Pinion Sag Mill

dual pinion sag mill vs single pinion sag mill - (mill ... A Updates on geared vs gearless drive solutions go "metric" ??? 4. 12.8 m Dia x 7.62 m Long (6.86 m EGL) SAG Mill all Mill …

Purchase of New SAG Mill from First Majestic Silver Corp ...

Jul 21, 2021· The complete SAG Mill package manufacturered and supplied by Outotec includes: Mill shell fabricated in 8x90° segments; Mill heads cast in 4x90° segments with demountable trunnions; Ductile ring gear and carbonized pinion shaft; Pinion shaft assembly equipment; Erection cradles; Bracket, coupling and guard

SAG Mill Components - Mineral Processing & Metallurgy

Apr 18, 2018· SAG Mill Components. Once the basic operating conditions have been defined for the mill designer then, and only then, can he begin taking into account shell and head stresses and trunnion bearing sizes required to carry the load and to give the required openings for feeding and discharging the mills. Mill heads are key structural components of ...

Mill Pinion Failure Modes

sag mill ring gear failure - BINQ Mining. sag mill dual pinion geared drive. ... click here to get more infomation about ball mill failure modes. … sag mill ring gear failure – Grinding Mill China. Read more. rod mill, pinion gear failures -

Ball Mill Pinion Drive Picture -

SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed .... even load sharing between the two motor and pinion drives a clutch is not required. cement mill …

sag mill pinions -

Mill Pinion Gears. Our high torque, high precision integral and nonintegral mill pinions are used in SAG, horizontal ball mill and rotary kiln applications across the globe. Supplied as an individual component or as a fully optimised system comprising a girth gear, mill drive gearbox, pinion and barring drive, our pinions are manufactured ...

How To Install A Ffe Trunnion Of A Sag Mill

SAG mill discharge end ... of the SAG mill design. FFE Minerals was the original equipment supplier to Minera Los Pelambres in their 1997 project to install ... how to install a ffe trunnion of a sag mill Overview. ... installing a ball mill pinion. SAG mill, ball mill, ring gear, ... trunnion bearings, girth gear, ... to install ball mill and ...

Ball Mills and Sag Mill problem | AMP Maintenance Forums

Nov 21, 2007· 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:

Autogenous mills, semi-autogenous mills and ball mills for ...

mill start. Installation of a ring motor on a SAG mill. Synchronous motor drive with air clutch. COMBIFLEX® drive (5,400 kW) with high- speed synchronous motor and fluid coupling. Oil lubri-cated standar-dised pinion arrangement with Ring motor drive. induction motor.

Size Reduction - CJT Surplus

20"wide x 83" dia., shoe style bearings. 4 piece ring gear, spur cut, 248 teeth. Feed chute. Gear guards. 3 Spare pinions. Cylindrical Shell with removable heads. CJT Reference – DS#03910. 13 ft x 20 ft Ball Mills. 13 ft x 20 ft Ball Mills.

sag mill dion pinion drive -

sag mill ring and pinion - krigelodge. technical name of pinion of ball mill drive - . SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed Table 1 includes the technical data for the Copper Mountain SAG mill. Table 1 read more. installation twin pinion sag mill – …

Successful Design of the NICO Grinding Circuit for ...

Jan 19, 2021· 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. Taking design numbers from this analysis shows that to grind to a T80 of 1.7mm (from 152mm F80) in a SAG mill will require 29.5 kWh/t in the SAG mill. When ball mill grinding is added,

sag mill ring gear failure -

NEWS RELEASE Kumtor Mine Ball Mill Repair and ... - Centerra Gold. Mar 6, 2008 ... SAG mill and regrind mill circuits. ... of the ball mill shell, a defect in which is believed to have contributed to the failure of the ring gear. ... mill until a new ring gear can be procured and installed, which is …

Gearless mill drives - ABB

The gearless mill drive eliminates ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings, used within a conventional mill drive system. By mounting the rotor poles directly onto ... • 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


answered. Depending on the mill size and type, the mill can be driven by several configurations of drive systems. The main options are single low speed motors connected to a pinion driving a ring gear, two low speed motors connected to two pinions and driving a ring gear, or a gearless motor mounted directly onto the mill. In addition, a gearbox

Paper # 25 - Copper Mountain Overview on the Grinding ...

The grinding process with one 34' x 20' SAG mill and two 24' x 39.5' ball mills will be briefly discussed. All three mills are gear driven by a ring gear, dual pinion and two low speed synchronous motors. Copper Mountain has installed on all three mills, the new state-of-the art dual pinion mill drives.

Sag Mill Pinion Damage -

SAG mill ball mill ring gear dual pinion crushercoal millcoal mobile lead to damage of the ring gear and pinion of a Vertical Mill. pinion gear for ball millfuturetechsystems vertical mill flender alignment pinion gear. vertical ball mill drive. Read More.

installation twin pinion sag mill

SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed INTRODUCTION The project is located 15 km southwest of Princeton, British Columbia (BC), an established the installation of a new primary crusher and conveyer system Initial production on the Copper Mountain.

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