gearless mill drive system - fredsanitair.nl

Siemens expands mining portfolio to include gearless drive ... The principal component of the new drive system, which was designed and constructed within just two years, is a ring motor with a width of 25 meters and a height of 20 meters. 38 …

SAG MILLING - Gearless drive system from ABB - Canadian ...

SAG MILLING – Gearless drive system from ABB. WESTERN AUSTRALIA - Five years in storage have failed to affect the performance of the ABB gearless drive on a SAG mill at the St. Ives gold mine belonging to GOLD FIELDS of South Africa. The mill was originally ordered in May 1997, but shortly before the manufacturing was completed, the then ...

Rohrdorfer Group modernizes mill drive with Sinamics - ZKG

By modernizing its gearless mill drive with the new Sinamics SL150 converter, cement manufacturer Rohrdorfer Group has increased the availability of its plant without the need to interrupt on-going production. The world's first ring motor from Siemens has been doing stalwart service for over 45 years at the cement works in Rohrdorf, Bavaria.

Gearless Mill Drive Optical Systems

Gearless Mill Drive Optical Systems. FOB Reference Price:Get Latest Price Milling Machines For Powder. Gearless mill drive optical systems gearless ball mill drive grinding mill china choosing a sag mill to achieve design performance small mill for chemical industry how to align ball mill pinion to drive motor icrogrinding of carbon units in gujarat metso designs largest sag …

gearless mill drive optical systems

Gearless mill drives Grinding ABB. Our GMD eliminates all mechanical components of a conventional mill drive system, such as ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings: By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor

ABB Motor - Gearless Mill Drive GMD System - YouTube

ABB Motor Gearless Mill Drive GMD System

When it Comes to Mining, Bigger is Best - Power Transmission

Gearless mill drive. The limitation of an RMD system was overcome by ABB when it introduced the first gearless mill drive (GMD) in 1969 for the cement industry. ABB introduced the first GMD into the minerals industry in 1985 and since then it has become the de facto standard equipment for mines with larger throughput requirements.

Gearless Mill Drives | Beneficiation | Siemens Global

The SIMINE Gearless mill drives pump system significantly enhances concentrator productivity by eliminating the reducer gear between motor and pump and all corresponding maintenance. In addition, the cyclone pumps with variable speed can adjust their energy consumption to the optimized flow of pulp, resulting in energy savings of up to 30%.

Gearless mill drive system in iron ore ­processing ...

Gearless mill drive system in iron ore ­processing. ABB was recently contracted to supply gearless mill drive (GMD) systems for two 38 foot semiautogenous grinding (SAG) mills at the Serra Azul iron ore mine in Brazil. The Serra Azul mine unit, owned by MMX Mineração e ­Metálicos, an EBX Group company, is located in the iron quadrangle of ...

Integrated drive technology from Siemens ... - AT Minerals

A further gearless mill drive with 22 megawatt output will ensure equally efficient and reliable driving of a ball mill with an inner diameter of 28 foot. Gearless drive systems are distinguished by their high efficiency and their low maintenance effort.

Gearless mill drives - ABB

2 GEARLESS MILL DES 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 the mill, the mill itself becomes the …

Increasing Availability through Advanced Gearless Drive ...

The Gearless Mill Drive system consists of the ring motor with its feeding cyclconverter, pre-installed in an E-house. It also includes the excitation rectifier, the automation system (for mill and motor) including HMI, monitoring and diagnostic system, MCC's (for mill and drive auxiliaries), differential

Gearless Mill Drive System - gordonvanveelen

The Gearless Mill Drive system consists of the ring motor with its feeding cyclconverter, pre-installed in an E-house. It also includes the excitation rectifier, the automation system (for mill and motor) including HMI, monitoring and diagnostic system, MCC's (for mill and drive auxiliaries), differential

Gearless mill drives - Grinding | ABB - Mining

Gearless mill drive system (GMD) Maximum availability and productivity Go gearless to meet your business objetives by exceeding standard availability targets in your grinding operations.

Gearless mill drive reliability — ABB Ability™

The gearless mill drive eliminates all mechanical components of a conventional mill drive system, such as ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings. By mounting the rotor poles directly onto the mill, the mill …

Gearless mill drive system in iron ore ­processing ...

Gearless mill drive system in iron ore ­processing ABB was recently contracted to supply gearless mill drive (GMD) systems for two 38 foot semiautogenous grinding (SAG) mills at the Serra Azul iron ore mine in Brazil.

Managing and monitoring gearless mill drives ...

Managing and monitoring gearless mill drives. Posted by Matrix on 15th December 2014. ABB has re-packaged its proven and tested service offering for gearless mill drives (GMD) remote diagnostic services with the launch of a newly created product package of two modules, GMDbeatTM and GMDfitTM. The basic module, GMDbeat, covers ABB's ...

Siemens Delivers First Gearless Mill Drive System to ...

Simine Mill GD provides a gearless drive with no mechanical parts between the motor and the mill. Stepless adjustment of the rotational speed aids optimum start-up and means that the system can be controlled in accordance with the varying demands of the material in the mill. This reduces wear, maintenance and energy consumption.

Gearless Mill Drive System In Iron Ore Processing

Gearless Mill Drive System In Iron Ore Processing. Oct 06 2015 The belt conveyor will replace a railway system currently used to transport the ore out of the mine to the processing plant. The Integrated Drive System IDS If you are interested in our …

ABB drive systems to provide high productivity at ... - Mining

New drive systems, including two 25-foot, ball mill gearless mill drive systems of 15,000 kW each, will provide high efficiency and availability at Toquepala copper mine .

ABB to supply gearless mill drive to mine in ... - Automation

ABB will supply three gearless mill drive (GMD) systems, gas-insulated switchgears (GIS), E-house and power transformers for the Ministro Hales (MH) project in Calama, Chile. February 28, 2011 - ABB, was awarded an over $47 million contract from Codelco for the delivery of three gearless mill drive (GMD) systems, gas-insulated switchgears (GIS ...

Go gearless with ABB's mill and conveyor drives for more ...

Chuquicamata copper mine in Chile. Commissioning of the world's most powerful gearless conveyor drive system. Our longstanding association with Swedish mining company Boliden is an example of how ABB's gearless drives have increased productivity at its Aitik open-pit copper mine. We have provided two large GMDs of 23.4 MW for the AG mills.

SINAMICS SL150 | Medium Voltage Converters | Siemens Global

Sentinel Copper Mine, Gearless mill drive systems Sentinel is a copper mine project located approximately 150 kilometers west of Solwezi in the middle of the savannah. In incorporates the most modern and cutting-edge technology. Read more. Xstrata Copper. Peru.

ABB Library - Gearless Mill Drives

The stator of the gearless motor is then wrapped around the mill. With this innovative concept the gearless mill drive eliminates all critical mechanical components inherent within a conventional mill drive system, such as ring gear, pinion, gearbox, coupling or air clutch, motor shaft and motor bearings.

siemens/mining SIMINE Gearless Mill Drives

The outdoor version of the SIMINE Gearless Mill Drives has been successfully in operation since 1998. The design of the outdoor version takes into account the tough ambi-ent conditions as well as the absorption of solar radiation. The sealing system of the SIMINE Gearless Mill Drives is a proven design incorporating extremely low mainte-

ABB gearless mill drive system to power SAG mill - Automation

ABB gearless mill drive systems feature numerous benefits when compared with conventional geared drive systems: superior reliability, increased process availability, extended life span and improved energy efficiency. ABB delivered the world s …

Gearless Ball Mill Operation - 911metallurgist

A gearless mill drive is a major investment for a plant and as the beating heart of the production process is essential. Thus, having knowledge of how to make most of your GMD is crucial. The following advanced digital service can enable optimized productivity at the highest level: ABB Ability™ Predictive Maintenance for grinding

gearless mill drives Archives - International Mining

Gearless mill drives (GMDs) are the grinding solution of choice in challenging environments. By eliminating bolt-on mechanical components such as ring-gears, pinions, couplings and gearboxes, GMDs offer ore producers unrivalled availability, efficiency and durability, while reducing operating expenditure, according to GMD provider ABB.

Commissioning Variable Speed SAG Mill Gearless Drive

Commissioning Variable Speed SAG Mill Gearless Drive. The electric operation and design features of the 11,000 H.P. variable speed SAG mill gearless drive is presented. The function of the frequency-converter, control system drive and lubrication systems are described. An analysis of the harmonic characteristic in the Supply System and Motor is ...