Increasing availability through advanced Gearless Drive …
ventional drive systems serving to utilize the principle of economies of scale. By elimination of various components of the drive train, the maintenance activities and spare parts inventories are reduced. The advantages are culminat - ing in the incomparable availability of the Siemens' gearless drive technology of about 99.5% – as confirmed by
ABB's new Gearless Mill Drive generation: Maintenance …
The gearless mill drive (GMD) has been continuously developed since its introduction in 1969. The structural design, the electrical parts and of course motor monitoring and control have all experienced major developments that have enabled larger, more efficient operations and higher productivity.
ABB wins $51 million order from largest copper producer in Kazakhstan
This agreement follows two previous orders worth $45 million each for gearless mill drive packages, and covers the complete electrification, instrumentation and automation for both sites. ... as well as state-of-the-art Extended Automation System 800xA. Installation and commissioning of the equipment at Bozshakol is scheduled for …
QdX4 Mill Drive
The QdX4™ Mill Drive features internal torque splitting capability transmitting motor input power to the pinion shaft and equally dividing into two mill pinions. This type of torque splitting gear box technology has been in operation since the early 1960's. We have rearranged the drive architecture in order to apply high powered ...
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 Minas Gerais, next to Belo Horizonte – the heart of ...
gearless mill drive optical systems
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gearless mill drive optical systems
Gearless Mill Drive Optical Systems; Batch Ball And Rod Mills And Batch Drive Roll Net Weight 45 Lbs Rpm;, We can provide all elements of a mill drive system as double and triple reduction gearing available depending on the required ratio and motor, ABB's Gearless mill drive system is the most powerful mill drive system in the market.
Gearless Mill Drive Optical Systems
Get Price ;Gearless Mill Drive Optical Systems - image-plus.fr,Gearless Mill Drive Optical Systems Sri Lanka. home gearless mill drive optical systems sri lanka volume 6, issue 7 - citefactor these vibrations engender noisy operation and cause more wear and tear resulting in low life span. the development of a more efficient multi …
Gearless Mill Drive (GMD), para molinos
El sistema GMD Molino SAG (Semiautógeno) de 40 pies posee una potencia de 28 MW. Para alcanzar este requerimiento el SAG será equipado con el nuevo Cicloconvertidor ABB de 18 pulsos. ABB es una vez más el primero en presentar esta configuración tecnológica de punta para esta particular aplicación.
ABB gearless mill drive system to power SAG mill
Summary. September 1, 2010 - ABB 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. Fluor Corporation in Santiago, Chile, will act as EPCM contractor for this important project; Corporation will be the mill supplier.
Products and solutions Drive systems for all grinding
The ABB gearless mill drive is the most powerful mill drive system on the market. It provides highest availability, long- ... This is achieved by eliminating all mechanical components of a conventional mill drive system (ring-gear, pinion, gearbox, coupling, motor shaft and motor bearings). Features – Power rating: 5–36MW – Mill diameter ...
Gearless Mill Drive Protection Improvements and Its Behaviour …
Abstract: A cycloconverter-fed gearless mill drive is a drive system that has hardware and software protection functions to protect the equipment in case of abnormal operating conditions, malfunctions or failures. For demanding applications in the mining industry, protections systems need to be reviewed considering special or …
Mill drive selection for semiautogenous grinding mills
E Primary SAG, 34x1 6 Two variable speed ac motors coupled mill, $4 million 22,500 to a gear drive with air clutches. motor, $1.75 million each 6000 Two secondary ac synchronized motor coupled to a gear mill, $2.5 million ball mills, 18x27 drive with an air clutch. motor, $602,000 6050 F Ptimary SAG, 34x16 Ringmotor system. mill, $3.1 …
How digitalized gearless drive technology results in …
Technologies for extraction and processing, including gearless mill drives (GMDs) and gearless conveyor drives (GCDs), help operators save energy and achieve greater throughput at large mills with higher grinding …
Gearless mill drives
Bigger is better - ABB drive systems designed to power mega mills in mining. Service for grinding applications: Protect and optimize your drive systems. Service for mining and mineral processing industries: Keep …
Gearless Mill Drive Protection Improvements and Its …
Abstract—A cycloconverter-fed gearless mill drive is a drive system that has hardware and software protection functions to protect the equipment in case of abnormal operating …
gearless mill drive optical systems
gearless mill drive optical systems T18:08:45+00:00 Gearless mill drives Grinding ABB. Our GMD eliminates all mechanical components of a conventional mill drive system, such as ringgear, pinion, gearbox, coupling, motor shaft and motor bearings: By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of ...
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.
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 … See more
SIMINE Gearless mill drives
Our solution: SIMINE Gearless mill drives – outstanding reliability for your mine. The gearless concept. The gearless drive avoids any contact between the rotating mill and …
CHH621 – Gearless Mill Drive Theoretical System …
CHH621 – Gearless Mill Drive Theoretical System Overview. Course goal. The goal of this course is to provide participants with the required theoretical knowledge of gearless mill …
Gearless mill drives
bearings, used within a conventional mill drive system. By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor. Building a track record ABB's experience in optimizing gearless solutions for grinding applications extends over 50 years, making it the market leader with the largest
Gearless mill drives
The ABB gearless mill drive (GMD) is the most powerful mill drive system available, combining the highest levels of efficiency, reliability, flexibility and availability. The …
CHH624 – Gearless Mill Drive Operation and …
the a GMD system Participant profile This training is targeted to operators, electricians, technicians and site engi-neers. Prerequisites Participants should have basic electro technical background. It is highly recommended that the par-ticipants successfully completed the "Gearless Mill Drive –Theoretical System Overview" (CHH621). Topics
Training Simulator for Gearless Mill Drives
Detail of Training Simulator: drive control section with the SINAMICS controllers and the interface board to power section Your challenge: Maximum operations at the bottleneck The Gearless Mill Drive (GMD) is potentially the most critical bottleneck in the mine production process. Each hour of downtime can result in a heavy financial loss.
gearless mill drive optical systems
Gearless Mill Drive Optical Systems Sri Lanka . Caroline Phillips. the rotor and stator of the motor. The drive pulley and rotor are arranged on the same shaft. When installing the system used within a conventional mill drive system. By mounting the rotor poles directly onto the mill ABB ABB's Gearless mill drive system is the ...
11 System Overview (Gearless Mill Drive) | PDF
11 System Overview (Gearless Mill Drive) - Free download as PDF File (.pdf), Text File (.txt) or view presentation slides online.
How digitalized gearless drive technology results in …
Eleven 5MW gearless drives with synchronous motors running at low speeds (50-60rpm) drive three conveyors; two with four motors each and one with three. Two 20MW conveyors transport the ore from the open pit operation to the surface, overcoming an elevation change of around 1,300m, while the second conveyor feeds into a slightly smaller, 15MW ...
Periodic Maintenance Reports (PMRs) for Gearless Mill …
Periodic Maintenance Reports for Gearless Mill Drives DriveMonitor (DM) ABB DriveMonitor is a diagnostic intelligent system: Industrial PC with H/W firewall and optical link Framework for data acquisition and processing Features: Data acquisition from different signal sources Data storage and consolidation in dedicated database
ABB Library
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, …