SAG mill vs Ball mill Crushing ratio. 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.
Dual Pinion Sag Mill Vs Single Pinion Sag Mill. dual pinion sag mill vs single pinion sag mill. largest single pinion ball mill drive vriendenvankind . installation twin pinion sag mill the sag mill was the largest in the ball mill ring gear dual pinion .
Mill Components. Girth Gears & Pinions Mill Shells Sole Plates Trommels Shell & Head Liners 14ft Mill Girth Gear 16ft Mill 30MOD Pinion 12 ft Mill Trunnion 12ft Mill Shell with Trunnions 5,6MW Mill Drive Refurbishmentof16ftmilltrunnionhousing Mill Pinion 18ft Mill Trunnion bearing housing Lubriion Systems 12′ x 18′ Ball
109 Inverness Drive East, Suite F Englewood, Colorado 80112 SAG mill is an investment that can produce handsome returns if extra production is needed or Test No. Lab SAG Test Cum. Dist.% Pinion kWh/t of Ore . 1 3.59 5 2 6.13 15 3 7.00
Some consultants have the view that the gear drive is limited in power. Mr Craig Denecki (Falk Milwaukee) in his paper, presented at the 1996 SAG mill conference, provided details of the then largest gear drive in operation on a SAG mill (34ft x 18ft) at Escondida 13.4MW, which began operation in 1995. The reason for not having larger gear drives
Girth Gear Sag Mill Commissioning . The installation and commissioning of the mills and drives at Copper SAG mill, ball mill, . girth gears or the singlehelical SAG mill girth gear from David Brown . Get Price And Support Online Uneven SAG Mill Drive Power Draw Grinding . Differences between drives power draw of two drives sag mills. . Get Price
The mill drive system consists of the main mill motor, the main reduction gear box, mill pinion and girth gear. The mill is also equipped with a barring drive which is either connected to the main drive reduction unit or alternatively mounted at the back of the main motor. Refer to Figure 2 for a schematic of the mill drive system.
20'' EGL SAG mill, a Raptor 900 pebble crusher and two 24'' x 39''6" ball mills. Each mill is equipped with a 2 x 8500HP dual pinion drive system. The plant was designed to process 1585 h mtpof SAG feed. From startup, the mill struggled to meet the required production rates. Over time, a
The mill drive system consists of the main mill motor, the main reduction gear box, mill pinion and girth gear. The mill is also equipped with a barring drive which is either connected to the main drive reduction unit or alternatively mounted at the back of the main motor. Refer to Figure 2 for a schematic of the mill drive
drive appliion is a dualpinion SAG mill driven by two 5,000 kW wound rotor induction motors (WRIM). Two TMdrive10SPRs control motor speed by recovering rotor current and returning the power to the utility supply. Confi gured in a twin motor arrangement, the motors share load in the tandem mill. The Customer Need
Ball Mill Pinion Shaft Bearing Trunion Vakhusi OVERVIEW ON THE GRINDING MILLS AND THEIR DUAL PINION SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed . terminals that could cause severe damage to the gear, pinions, bearings and mill.
The Effect of Aspect Ratio on the Grinding Efficiency of Open and Closed Circuit AG/SAG Mills. power at the pinion drive and hence include the losses at the In terms of SAG mill
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.
Patent US8162246 Multiple safety element torque limiter Google Apr 24, 2012 A displaceable drive ball safety element type torque limiter is installed in a variable speed AC motor drive crusher mill drive which can include crusher mill driven by a ring gear and one or more pinion gears each driven by against respective drive balls seated in aligned pockets in
Jun 05, 2013 · We provide optimized mill drive solutions for all types of ringgeared mills: low and high speed, single and dual pinion, with and without a gearbox — all designed for reliable, long life and
Feb 16, 2006 The four latest grinding contracts include SAG and ball mills for First a 32 ft diameter, 20 ft long SAG mill with 12,000kW of installed power. Frontier''s trunnionsupported SAG mill, with conventional twinpinion drive, also
SAG mills are essentially autogenous mills, but utilize grinding balls to aid in grinding like in a ball mill. A SAG mill is generally used as a primary or first stage grinding solution. Attrition between grinding balls and ore particles causes grinding of finer particles.
Feb 07, 2017 · Logistic challenge: New stage goal. The arrival of the low speed dualpinion mill drives for Collahuasi Copper Mine, Chile Siemens Mining
RingGeared Mill Drives Flexible and smooth operation Brochure (English pdf Brochure) Copper Mountain: Overview on the grinding mills and their dual pinion mill drives (English pdf Technical publiion) Measuremens at a state of the art 2x5 MW dual pinion mill drive (English pdf
Feb 07, 2017 · Logistic challenge: New stage goal. The arrival of the low speed dualpinion mill drives for Collahuasi Copper Mine, Chile Siemens Mining
Selecting Inching Drives for Mill and Kiln Appliions Glen Cahala Frank C Uherek, Principal Engineer Gear Engineering Software Development Abstract The inching drive, also known as a barring or auxiliary drive, is an important component of any mill or kiln installation. It is used for maintenance and inspection purposes, as
GIRTH GEAR . Elastic mill sag by weight of mill balls and materia! to grind A: After temporary alignment of the teeth of pinion and girth gear with the mill empty, Fig. 8a, realignment should be undertaken with the mill filled with mill balls, i. e. with reference to the elastic sag in cold con dition, Fig. 8b.
Benefits of continuous data acquisition from critical large drive systems in a mine operation (SME 2016) Frozen charge detection and automatic loosening with gearless mill drives (SAG Conf. 2015) Mill drives: the desire for increased power and the associated limits and conditions (SAG
Sag mill dual pinion geared drive installation twin pinion sag mill crusher machine for sale crusher machine for sale siemens to modernise the drive in a sag mill in mill drives and twinpinion sag mill ball mill ring gear dual pinion contact the manufac,Sag mill dual pinion geared drive.
sag mill dual pinion geared drive . what is a ball mill barring gear mpce. SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed .. Read More Sag Mill Dual Pinion Geared Drive – . Get Price ore ball mill pinion replaore work newstonight.
DUAL PINION MILL DRIVES The SAG and the two ball mills are gear driven and Copper Mountain selected the sophistied low speed dual pinion mill drives from ABB to drive these mills. Brief History Sophistied Dual Pinion Mill Drive Technologies About five years ago, ABB was already the market leader for Gearless Mill Drives (GMD). ABB
The Effect of Aspect Ratio on the Grinding Efficiency of Open and Closed Circuit AG/SAG Mills. power at the pinion drive and hence include the losses at the In terms of SAG mill aspect
installation twin pinion sag mill installation twin pinion sag mill Crusher Machine For Sale. Autogenous mills, semiautogenous mills and ball mills for wet . from the supply of a ball mill to the installation of a comprehensive system for limestone grinding or lime slaking. .
pinion systems to 8 MW per pinion and dual motor systems with quadruple pinions extend the range of gear driven mills to a theoretical limit of 32 MW. The Ernest Henry SAG mill (11 MW) is currently the largest twin pinion single drive mill installed in Australia. Problems have been experienced with the twin pinion drive at Fimiston and with the
Ring gear drives huge grinding mill. this mill uses a ringmotor drive, Figure 5. The SAG mill is followed by two 20ft diam., 7,500hp geardriven ball mills. In a ball mill, the pinion
Mill Pinion Gears. Our high torque, high precision integral and nonintegral mill pinions are used in SAG, horizontal ball mill and rotary kiln appliions 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
Selecting Inching Drives for Mill and Kiln Appliions Glen Cahala Frank C Uherek, Principal Engineer Gear Engineering Software Development Abstract The inching drive, also known as a barring or auxiliary drive, is an important component of any mill or kiln installation. It is used for maintenance and inspection purposes, as
sag mill dual pinion geared drive. sag mill wrap around motor. Posted at sag mill dual pinion geared drive Ring Motor or. Wraparound Motor 2 x SAG Mills. Chat Online amp Get Price. Read More. ball mill torque dual pinion failure gsmachine.us. READ MORE
SAG Mill Components. Previous Next Manufacturing limitations from gear vendors determine the minimum number of pinions which can be used to drive the mill as well as the number of gear sections. If the advantages of a synchronous motor are desired on any dual pinion drive appliion, dual synchronous motors are available to drive dual
Pinion Drive Sag Mill mayukhportfolio . 1 COPPER MOUNTAIN: OVERVIEW ON THE GRINDING MILLS ball mills. The installation and commissioning of the mills and drives at Copper SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed. OBTENIR UN PRIX.
drive appliion is a dualpinion SAG mill driven by two 5,000 kW wound rotor induction motors (WRIM). Two TMdrive10SPRs control motor speed by recovering rotor current and returning the power to the utility supply. Confi gured in a twin motor arrangement, the motors share load in the tandem mill. The Customer Need
Nov 14, 2013 · ABB''s supply scope included four dualpinion lowspeed mill drive systems for two SAG mills and two ball mills, each consisting of two synchronous motors, converter transformers and ACS6000 frequency converters. These include active rectifier units allowing the mill drives to achieve a power factor of 0.90 leading.
Hofmann Engineering has a long and successful history of designing, manufacturing, installing and servicing mill and kiln parts. With a capability of manufacturing girth gears up to 15m (49ft) diameter and shells up to 13.4m (44ft) diameter, Hofmann Engineering is in a
Jun 15, 2014 · Our largest mills has been delivered to SINO Site to date are 呬.2m x 11m 28MW Gearless Drive AG Mills and ࡷ.9m x 13.6m 2x8 MW Twin Pinion Drive Ball Mills. These mills are scheduled of start up on 2012. 80% with the largest mills supplied to date being a ࡷ.9m x 13.6m 2x8.5MW Ball Mill and a 呫m x 5.4m 2x8.5MW SAG Mill, being the
Buy used Sagmills from A.M. King Industries. We can help guide you to the best solution for your equipment needs. UNUSED FL 36'' x 22''6" Dual Pinion SAG Mill with 2 ABB 9,000 kW (12,069 HP) Motors for Total Power of 18,000 kW (24,138 HP) (9.75M X 3.66M) EGL SAG Mill, 6,800 HP dual drive (2 x 2,550 kw) Manufacturer: HARDINGE
Gearless mill drive (GMD) technology has further expanded the use of large SAG milling allowing to produce the world''s largest SAG mill of 42'' in diameter drawing power at 28 MW. Today, is the world leading supplier of gearless SAG mills operating globally.
The Slip Energy Recovery Drive (S.E.R. Drive) is a technology well proven in the industry for large power motoring systems that allows precise motor speed control at the same time that recover the slip energy in the wound rotor induction motors (WRIM). The typical appliions include SAG mill, AG mill and ball mill.
installation of grinding mill girth gear and pinion_Mill Pinion GearsGear SystemsDavid Brown SantasaloMill Pinion Gears Our high torque, high precision integral and nonintegral mill pinions are used in SAG, horizontal ball mill and rotary kiln a
SAG and AG Mills operate by lifting ore/grinding media and dropping it on the operating bed of the mill charge. High impacts from lifting ore and media promote impact breakage which is the primary mechanism for size reduction in the mill.
Ball Mill / SAG Mill Wear Parts Cast replacement wear parts with improved wear life. 2508077999 [email protected] UNICAST.CA Drives, Gears, Pinions, Bearings Unicast ball mill drive systems, including gears, pinions, and bearings. BALL MILL DRIVES, GEARS, PINIONS, AND BABBITTED BEARINGS Accurate and customized to fit. With infield
how to align ball mill pinion to drive motor. Ringgeared mill drives Single and dual pinion. SAG and ball mill appliions and are able ment such as auxiliary motors. When dual pinion mills are used, Dual pinion low speed mill drive Power 2 x 4500 kW . BALL MILL DRIVE MOTOR CHOICES.