· 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 first gearless machine drive in 1969, ...
Gearless mill drives Grinding ABB. ABB's GMD is the most powerful mill drive system in the market to power semiautogenous (SAG), ball and autogenous (AG) mills, This 'workhorse' for grinding operations combines a robust, servicefriendly and fit for purpose design to provide highest throughput, reliability
· Table of ContentsGeneral Description of the DriveAssembling and ConstructionComponent CharacteristicsDrive Evaluation The electric operation and design features of the 11,000 variable speed SAG mill gearless drive is presented. The function of the frequencyconverter, control system drive and lubriion systems are described. An analysis of the harmonic characteristic in the Supply ...
gearless drive systems for two ore mills for the ... the delivery of gearless mill drives for an SAG mill ..... At the heart of the system is a network of fiberoptic. Get Price. Patent US Sheave with taper lock coupler Google Patents. Mar 10, 2009 ...
· Commissioning and startup of Canada's first gearless mill drive (GMD) system has been completed at Osisko Mining Corp's Malarctic project and will increase production capacity at the mine. The system was commissioned by ABB, a leading power and automation technology group. The GMD powers a 38′ (SAG) mill at the Canadian Malartic gold mine.
· 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 loed in the iron quadrangle of ...
The sealing system of the SIMINE Gearless Mill Drives is a proven design incorporating extremely low maintenance with ingress protection that is rated at IP 55, and complemented by a purposebuilt rain shield. The outdoor version of the SIMINE Gearless Mill Drives allows omitting the concentrator building, a considerable saving of invest
The outdoor version of SIMINE Gearless mill drives has been successfully in operation since 1998. The outdoor version's design takes into account tough ambient conditions as well as the absorption of solar radiation. The SIMINE Gearless mill drives' sealing system has a proven design incorporat
· ABB's gearless mill drive system should improve energy efficiency and provide increased process availability at Teck's Carmen de Andacollo copper mine. ABB has successfully completed the commissioning of a MW gearless mill drive (GMD) system for the Hipogeno project. The GMD powers an 11 m SAG mill at the mine in central Chile.
Gearless mill drive system in iron ore processing Mineral Processing. Diagramm eines getriebelosen Mühlenantriebssystems von ABB # Diagram of ABB's gearless mill drive system Ringgeared mill drive system ABB Group Leading digital technologies for industry. Ringgeared mill drive system. today dual pinion or gearless driven mills are ...
· Siemens expands mining portfolio to include gearless drive system for 42foot SAG mills. Siemens is now able to provide to mining companies a gearless drive system for SAG mills with a tube diameter of 42 feet. This enables throughput to be almost doubled in comparison with the 38foot mills commonly used today.
Gearless Mill Drive Images Abb Group. Two GMD systems for 27foot ball mills at Esperanza copper mine, Chile 8605 kB GMD system for a 40foot semiautogenous SAG mill at Esperanza copper mine, Chile.
An induction motor fed by GE's MV7000 Medium Voltage drive is one of the latest solutions designed and offered by GE for all rolling mill appliions. As the induction motor provides more availability, reliability, lower maintenance and reduced electrical distribution equipment, this solution can contribute to significant savings for our customers.
· 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 ...
Gearless mill drives are becoming the drive system of choice on large AG, SAG and ball mill installations for new projects and existing mill expansions. ABB commissions gearless mill drive system .
· ABB has won an order worth 27 million from Swedish mining company Boliden to supply gearless drive systems for two new grinding mills that will increase production at one of Europe's largest copper mines.. The gearless mill drives will be installed at Boliden's Aitik mine, loed near Gällivare in northern Sweden, where they will power two new 38foot autogenous grinding mills.
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%. The ...
Gearless Mill Drive System,Apr 24, 2008· Baden, Switzerland Gearless mill drive systems will maximize productivity and energy efficiency at a new copper mine in northern Brazil. ABB says it recently won an order from Vale (formerly CVRD) to deliver such a system to the Salobo mine, ...
Commissioning Variable Speed SAG Mill Gearless DriveTable of ContentsGeneral Description of the DriveAssembling and ConstructionComponent CharacteristicsDrive Evaluation The electric operation and design features of the 11,000 HP variable speed SAG mill gearless drive is presented The function of the frequencyconverter, control system drive and lubriion systems are described An analysis of ...
· 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 startup 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.
Insurability of large gearless MILL drives698 Кб. Figure 1 – The gearless mill drive With this innovative concept, the gearless mill drive (GMD) eliminates all critical mechanical components inherent within a conventional mill drive system, such as ring gear, pinion, gearbox, coupling or .
ment of gearless mill drive (GMD) systems – giant motor and drive systems that power ore They are more reliable and energy efficient than traditional mill drive systems, and increase mill productivity. ABB delivered the world's first gearless mill drive to Lafarge cement company in France in 1969, L oed near Gällivare, in the
· Hi, Please, could anyone share a document about maintenance or troubleshooting of the ABB PSR2 controller (Gearless Mill Drive)? I'd like some documentation to s ...
Gearless mill drives Grinding (ABB in Mining) ABB Group. 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.