gearless mill drive

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Gearless Mill Drive - YouTube

Jan 25, 2017· Category Pets & Animals; Song Lino_Rise_Media_REVFILE_AdRev_2016_1-0112_Intro Break & Enter-1708.-8703; Artist Lino Rise Media; Licensed to YouTube by

Grinding | ABB

Gearless mill drive training . GMD theoretical system overview, operation and maintenance, ring motor knowledge and maintenance, PSR2 controller, System 800xA GMD applications. Ring-geared mill drive training . Operation and maintenance aspects of a medium voltage RMD with or without E-house.

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

Advantages of Gearless Motor Drives in Large Ore Grinding ...

Gearless motor drives are the alternative to the conventional motor with many advantages. This article gives a brief introduction to these huge, impressive drives. ... Using one large mill is more economical than using a number of smaller mills. This requires a very large capacity electric drive to …

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.

Instability in gearless mill drive motors - EE Publishers

Instability in gearless mill drive motors by Peter Warner, Anglo American Technical Division In 2006 Anglo Platinum ordered two 26-foot ball mills from FFE Minerals – Vecor and two 17,5 MW gearless mill drives (GMDs) from ABB for the 600 kilo tonne per month concentrator for the Potgietersrust Platinum North expansion project.

A Mechatronic Solution Design and Experience with Large ...

The gearless drive of today is well known throughout the mining industry. After more than 30 years, a wide application spectrum for Gearless Drives has been installed, which are capable of handling various ore and mill types. Time has shown that all requirements for grinding mills can be satisfied by this concept. In many cases, innovative ...

Gearless Drives - industry.siemens.com

plied gearless drives for two 36-foot ring motors, de-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

Gearless Mill Drive - es.scribd.com

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. The motor is …

Design review of Gearless Mill Drives - bopapeeng.co.za

DESIGN REVIEW OF GEARLESS MILL DRIVE: MILL SYSTEM ANALYSIS Thulare Bopape, Hennie Klopper Anglo Technical Solutions Abstract: It has been well established that a critical component of the up-front design for large mills is a full system Finite Element Analysis (FEA), including the mill and its bearings, the motor, the foundation and the soil.

Mining Weekly - Login

The weekly editions of Engineering News and Mining Weekly will be posted to your preferred postal address. Gain online access to: Project Browser - providing an overview of latest developments and ...

Gearless AG/SAG mills -

Gearless AG/SAG mills. With the proven use of gearless drive technology, the limitation of AG/SAG mill size due to gearing constraints has been eliminated. is the world's leading supplier of gearless …

Sentinel: Siemens Gearless Mill Drives - YouTube

Jan 19, 2016· 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. For mines of this size ...

Siemens supplies gearless drive systems with "frozen ...

For the two ore-grinding mills, Siemens is supplying gearless ring motor drive systems supplied with power via cycloconverters. The SAG mill has a diameter of 38 feet (11.6 meters) and will be equipped with a 18 megawatts drive system.

gearless mill drives - Mine Equipments

Gearless Mill Drive Sales Rev Up to Meet Demand - WOMP 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 ...

Drives systems for grinding Solutions for all applications

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, the mill becomes the rotor of a synchro-nous motor. The torque is transmitted through the magnetic field between

ABB gearless mill drive & digital services help increase ...

ABB's gearless mill drive offering is part of the innovative ABB Ability™ MineOptimize portfolio. "MineOptimize is a framework that encompasses optimised solutions, developed engineering, digital applications and collaborative services to help mining companies achieve the most efficient design, build and operation of any mining and ...

Gearless mill drives - Grinding | ABB

Gearless mill drive system. 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 grinding ...

Sentinel: Siemens Gearless Mill Drives - YouTube

Jan 19, 2016· Sentinel: Siemens Gearless Mill Drives Siemens. Loading... Unsubscribe from Siemens? ... Siemens Gearless Mill Drives result in reduced total costs and assure a high performance, in accordance ...

Gearless mill drive images - ABB Group

01127204_2.jpg 10723 kB Two 18.6MW GMD systems for 27-foot ball mills at Esperanza copper mine, Chile 01126974_2.jpg 8605 kB 22.4MW GMD system for a 40-foot semi-autogenous (SAG) mill at Esperanza copper mine, Chile 01127262_2.jpg 9462 kB GMD at Esperanza copper mine, Antofagasta, Chile. 01126997_2 ...

Instability in gearless mill drive motors - ee.co.za

Instability in gearless mill drive motors by Peter Warner, Anglo American Technical Division In 2006 Anglo Platinum ordered two 26-foot ball mills from FFE Minerals – Vecor and two 17,5 MW gearless mill drives (GMDs) from ABB for the 600 kilo tonne per month concentrator for the Potgietersrust Platinum North expansion project.

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.

Increasing Availability through Advanced Gearless Drive ...

Siemens' gearless drive technology of 99.46 to 99.71% - as confirmed by real operational data from the Antapaccay mine in Peru. It was the first plant worldwide to use gearless drives for both applications. KEYWORDS Gearless Mill Drives, Gearless Conveyor Drives, Availability, SAG Mill, Ball Mill, Overland Conveyor, Antapaccay 15

Gearless mill drives Go gearless - ABB Ltd

(4600 m.a.s.l.), our gearless mill drives are designed to meet these challenges as we continuously develop new features that allow us to adapt to your needs and the ever changing site requirements. The ABB gearless mill drive (GMD) is the most powerful mill drive system on the market.

ABB Gearless Mill Drive Users Meet in Peru | E & MJ

ABB Gearless Mill Drive Users Meet in Peru. ABB reported that it held the most recent of its Gearless Mill Drive (GMD) User Meetings in Lima, Peru, during October 23–24. The conference, a cooperative event between ABB Switzerland and ABB Peru, was the fourth meeting of its type, following a global event held in Switzerland in 2007 and after ...

gearless mill drive system - Traducción al español – Linguee

Roping arrangement on (gearless) traction elevators, where the hoist ropes pass around a secondary sheave and back over the drive sheave again, so the traction (friction) of the ropes on the drive …

ABB held global Gearless Mill Drive User Meeting in Peru

Baden, Switzerland, November 13, 2008 – ABB, the leading power and automation technology group, announces that it has held the second global Gearless Mill Drive (GMD) User Meeting.

siemens.com/mining SIMINE Gearless Mill Drives

to low-wear Drive processes The SIMINE Gearless Mill Drives rpms can be adapted to your operations at any time, and are infinitely variable and uncomplicated. Whether manually or fully automatic – rpms can be adjusted to the properties of the ore, resulting in significantly less wear to the mill lining. The mill's direction of rotation can be