gearless mill drive system

  • Gearless mill drive order in Kazakhstan - Mineral Processing

    ABB recently won an order worth 44 million US$ to deliver three gearless mill drive systems (GMDs) for a new copper mine to be operated by Kazakhmys PLC (Kazakhmys) in southeastern Kazakhstan. The contract was awarded in the first quarter of 2012. Kazakhmys is the largest copper producer in Kazakhstan and one of the top copper producers in the ...[...]

  • Gearless mill drives - Grinding | ABB

    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. 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 ...[...]

  • Drives systems for grinding Solutions for all applications

    mill eliminating the need for an air-clutch. This allows a significant reduction in me-chanical parts and maintenance. Gearless mill drives The ABB gearless mill drive (GMD) is the most powerful mill drive system on the market. It combines highest efficiency, reliability, flexibility and availability at competitive cost. In the GMD concept,[...]

  • Design review of Gearless Mill Drives

    Gearless Mill Drives (GMD) was first used in the cement industry in the late 1960 but have progress to mineral industry due to their possibility to increase the size of …[...]

  • Gearless Mill Drives | Beneficiation | Siemens

    The Siemens 42-ft Gearless Mill Drive, still an evolutionary design approach? (SAG Conf. 2015) Optimization of the drive system for a cyclone feed pump (SME 2015) Increasing availability through advanced Gearless Drive Technology (CMP 2014) Design and dynamic behavior of large ring motors for grinding mills (SMMH 2012)[...]

  • Gearless Mill Drives | Beneficiation | Siemens

    SIMINE Gearless mill drives A standard of reliability and efficiency for grinding From Norway to Zambia, from Mongolia to Chile – for over 30 years, mining operators all over the world have been counting on SIMINE Gearless mill drives. Their most important features include a small footprint and less weight than conventional drives.[...]

  • Gearless drive systems for belt conveyor and grinding ...

    The Siemens Drive Technologies Division has commissioned a gearless belt conveyor system in the Antapaccay copper mine in Peru. This is the first large-scale reference for this technology outside ...[...]

  • Gearless mill drive system in iron ore ­processing ...

    Gearless mill drive system in iron ore ­processing Diagramm eines getriebelosen Mühlenantriebssystems von ABB # Diagram of ABB's gearless mill drive system 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.[...]

  • ABB successfully commissions largest gearless mill drive ...

    ABB’s delivery included one gearless mill drive system (GMD) for a 40-feet semi-autogenous mill and two low-speed dual pinion ring-geared mill drive systems (RMDs) for two 26-feet ball mills; making Mount Milligan’s grinding circuit one of the most advanced and powerful in North America.[...]

  • Mining industry | Market-specific Solutions | Siemens

    The gearless drive system includes four low-speed synchronous motors (4.4 MW, 66 rpm) and the associated SINAMICS SL150 converters. ... The gearless mill drives operate more energy efficiently, having a 5% higher efficiency factor than conventional drive systems.[...]

  • Gearless mill drive (GMD) and digital services for Kinross ...

    The company selected ABB's 26 MW gearless mill drive system (GMD) for the mine’s 40 ft SAG mill, as well as other drives, electrical infrastructure equipment and a long-term service agreement (LTSA). This is expected to reduce operating costs, improve process throughput and reliability while saving energy and keep equipment in top form.[...]

  • Increasing availability through advanced Gearless Drive ...

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

  • ABB Motor - Gearless Mill Drive GMD System - YouTube

    Nov 08, 2016· ABB Motor Gearless Mill Drive GMD System. Top 7 Mistakes Newbies Make Going Solar - Avoid These For Effective Power Harvesting From The Sun - Duration: 7:14. LDSreliance 2,588,365 views[...]

  • gearless mill drive system - antwerp-dreams.be

    Gearless mill drive (GMD) systems are used in mines to grind vast . The ABB gearless mill drive is the most powerful mill drive system in . GMD infographic_finaldd. Get Price And Support Online; Siemens Delivers First Gearless Mill Drive System to . For the first time ever a Brazilian mine is set to receive a Siemens gearless mill drive system.[...]

  • Gearless mill drives - Mining Weekly

    Gearless mill drives (GMDs) have been installed on platinum-miner Anglo Platinum's Potgietersrust Platinum (PPRust) 600 000 t/m concentrator.[...]

  • CHH621 – Gearless Mill Drive Theoretical System Overview

    main components of the gearless mill drive system a Understand the cooperation and inter-action of the system components and how they do affect the system behavior and protection a a Understand general operation princi-ples of the GMD on a non-technical level a Participant profile This training is targeted to project manag-[...]

  • Gearless Drives

    veloping a 12,000 kW gearless drive for the Kennecott, Utah, SAG mill and a 11,200 kW gearless drive for the El Teniente, Chile, SAG mill. In a continued call for larger, even more powerful drives, Siemens kept pace. In 1996, Freeport ordered the first gearless drive for a 38-foot SAG mill …[...]

  • Control Engineering | Green drives: Energy-efficient drive ...

    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 , located at the Tapirape-Aquiri National Forest, in the state of Pará, Brazil.[...]

  • Gearless Ball Mill Operation

    Table of ContentsStructural Design of Mill and BearingsStructural Design of the BearingOperational ResultsMaintenance of “Gearless Drive” Mill The reliability of large diameter, high horsepower ball mill is paramount when large production and minimum downtime is required. The 17 ft. x 56 ft. double compartment ball mill at St. Lawrence Cement Company has the first gearless drive built in ...[...]

  • Cobre Panama starts up gearless mill drive systems ...

    11 days ago· According to ABB, they are the most powerful drive systems available for semi-autogenous (SAG), ball and autogenous mills. In all, two 28-megawatt gearless mill drive systems (GMDs) are in use at the mine's 40ft SAG mills, and four 16.5MW GMDs are employed in 26 football mills.[...]

  • gearless mill drive system - greenrevolution.org.in

    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 air clutch, motor shaft and motor bearings.[...]

  • ABB gearless mill drive system will power world’s first 42 ...

    ABB gearless mill drive systems feature numerous benefits when compared with conventional geared drive systems: superior reliability, increased process availability, extended life …[...]

  • Gearless drive systems for belt conveyor and grinding ...

    The SAG mill was fitted with a gearless drive with a power rating of 24 MW and the ball mills were also fitted with gearless drive systems, each providing 16.4 MW. Also included in the scope of supply were transformers, E-houses, the drive control, the cooling system, protection equipment and …[...]

  • Sentinel: Gearless Mill Drive System - Topics - Siemens

    The mills at Sentinel in Zambia are amongst the world’s biggest, with 2 off 40 ft SAG mills complete with 28 MW drives, and 2 off 28 foot-ball mills with 22 MW drives.[...]

  • ABB gearless mill drive system will power world’s first 42 ...

    Baden, Switzerland, September 1, 2010 – ABB, the leading power and automation technology group, won an order from Newmont Mining Corporation to engineer three gearless mill drive (GMD) systems to be installed at the Yanacocha Minas Conga oxide copper gold project in Peru.[...]

  • gearless mill drive system - amembazorgcentrum.nl

    gearless mill drive system Gearless mill drive images- gearless mill drive system ,Gearless mill drive images To download this file, right-click on the icon and select, "Save target as," , Two 186MW GMD systems for 27-foot ball mills at Esperanza copper mine, Chile 01126974_2jpg 8605 kB 224MW GMD system for a 40-foot semi , GMD ,[...]

  • Six gearless mill drives commissioned at Panama's newest ...

    12 days ago· Two 28 MW gearless mill drive systems (GMDs) are operating in the company's 40 ft SAG mills and four 16.5 MW GMDS are employed in 26 football mills along with associated control systems. "Gearless mill drives are the 'workhorses' for grinding operations which are at the heart of any mine.[...]

  • ABB gearless mill drives - YouTube

    Feb 21, 2019· Our gearless mill drive system is a robust, fit for purpose solution engineered for reliable, long-life and low maintenance operation. Category Science & Technology[...]

  • Cobre Panama starts up gearless mill drive systems ...

    11 days ago· In all, two 28-megawatt gearless mill drive systems (GMDs) are in use at the mine's 40ft SAG mills, and four 16.5MW GMDs are employed in 26 football mills. "Gearless mill drives are the 'workhorses' for grinding operations, which are at the heart of any mine," ABB's Cobre Panama project manager Rene Chacon said.[...]

  • SIMINE Gearless mill drives

    the speed control system, behaves like a DC machine. The TRANSVEKTOR control system used on high-power mill drives has gone through a long development phase. A lot of experience has been gained with this system during the last 33 years. The first gearless drive with this control has been operating successfully for more than 30 years.[...]

  • ABB successfully commissions largest gearless mill drive ...

    Jun 30, 2014· ABB’s delivery included one gearless mill drive system (GMD) for a 40-feet semi-autogenous mill and two low-speed dual pinion ring-geared mill drive …[...]

  • Gearless Mill Drive Sales Rev Up to Meet Demand

    Gearless Mill Drive Sales Rev Up to Meet Demand By Russell A. Carter, Managing Editor. 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. At least 31 GMDs have been ordered from Siemens and ABB, for …[...]

  • 2009 Gearless Mill Drives - CB&MUA

    Marsh 1 WHY shift to the gearless drives in mineral processing ??? Mill size – grinding economies of scale Relative lifecycle cost Lower power consumption Robust design Avoiding critical open gear power trains Variable speed Compatibility with processing plants Engineering design efficiencies Availability Minimal downtime[...]