Gearless Mill Drive System

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 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 (GMD) and digital services . 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).

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-

01-03-2012· 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 the Brazilian mining state.

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 rotor of the gearless motor. Building a track record

been providing gearless drive systems for 40-foot SAG mills. And over the past three years the company has received ten orders for this type of mill, rated at up to 28 MW. In 2010, Siemens proudly announced the sales re-lease of a 42-foot gearless drive. The 42-foot drive al-lows throughput to be nearly doubled compared to

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-

gearless drive mills and crushers and mw . 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 164 MW Also included in the scope of supply were transformers, E-houses, the drive control, the cooling system, protection equipment and ,...

Gearless mill drive system - luigispizzapastashawano. gearless mill drive optical systems. abb commissions the most powerful gearless mill drives ever built, sep 22, 2010 two gearless mill drives (gmd) power two new 38-foot (116 meter) autogenous grinding mills included is the first high speed dual-pinion drive system in this .

Main PCS7 overview screen of the Grinding Mill system Modernized gearless drive mills at Codelco’s Chuquicamata copper mine in Chile Gearless Drives July 2011 21 . Read More Comments. rz tk GearlessDrive brochure USletter GB . The beginning: 1985 – the first conveyor using a gearless drive …

Gearless vs Hydraulic Drive System - Commercial Elevators . SWITZERLAND ABB says that its innovative gearless conveyor drive is available for use on a wider range of conveyor systems Already proven on larger motors the newest drive is designed for medium power range motors 1 to 3 MW per motor to make this technology economically feasible for a broader range of conveyor systems …

Gearless Sag Mill Maintenance Schedules. ABBs 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 …

Laguna Seca concentrator uses a SAG mill and three ball mills, all driven by gearless mill drive (GMD) systems. Table 1 gives an overview of the basic technical data of the installed drives. TABLE I. MILLS AND THEIR DRIVES IN THE LAGUNA SECA PLANT Equipment Drive Comments SAG Mill (Semi-autogenous Grinding) Quantity : 1 unit

Large Electromotor Ball Mill Drive System. These large coal crushing drive systems are usually rotated by motor-driven gearing. A typical application consists of a motor-driven primary single-stage reducer that, through a flexible coupling, drives a large open pinion which in turn, meshes with a large ball mill ring girth gear that is attached directly to the ball mill.

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-

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 .

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.

Main PCS7 overview screen of the Grinding Mill system Modernized gearless drive mills at Codelco’s Chuquicamata copper mine in Chile Gearless Drives July 2011 21 . Read More Comments. rz tk GearlessDrive brochure USletter GB . The beginning: 1985 – the first conveyor using a gearless drive …

gearless mill drive system . harga juwal beli sekrap bola mill pr kilo; ... Siemens is now able to provide to mining companies a gearless drive system for SAG mills with a tube diameter of 42 feet. Obter preço. bola mills gearless . Horizontal mills .

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 itself becomes the rotor of the gearless motor.

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 .

Siemens, the company that introduced Gearless Mill Drives (GMD) to mining industry started up its first GMD on a ball mill in Norway in 1980. The mill and its drive system are still in service. Today, GMDs are mainly used for SAG mills between 36 and 40 feet (10.7 to 12.2 m) and ball mills …

Two 28 MW gearless mill drive systems (GMDS) are operating in the mine’s 12-metre SAG mills and four 16.5 MW GMDS are employed in 26 ball mills along with associated control systems. “Gearless mill drives are the ‘workhorses’ for grinding operations which are at the heart of any mine.

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 ...

Gearless Ball Mill Drive. Environmental protection Energy-saving Low cost. 2019 10 29the six abb gearless mill drives, which are the most powerful mill drive systems on the market for semi autogenous sag, ball and autogenous.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 ...

Large Electromotor Ball Mill Drive System. These large coal crushing drive systems are usually rotated by motor-driven gearing. A typical application consists of a motor-driven primary single-stage reducer that, through a flexible coupling, drives a large open pinion which in turn, meshes with a large ball mill ring girth gear that is attached directly to the ball mill.

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.