Mill drives: the desire for increased power and ... - Siemens

Mill Drive Review Background With ever – decreasing mineable ore grades, increasing mining and processing rates, the use of larger unit size equipment, and a minimal number of grinding lines in the plant, risk assessment, (in terms of achieving a rated design …

Gearless Mill Drives | Beneficiation | Siemens Global

In ore processing, grinding is an essential step for the overall performance of any mine. That is why the gearless drive of a grinding mill is one of the most crucial pieces of equipment in the concentrator and why it is subject to …

ABB medium voltage drives Product overview

compressors, grinding mills, suitable for retrofit of existing motors Pumps, fans, conveyors, extruders, mixers, compressors, grinding mills, suitable for retrofit of ... – Multi-motor drive with common DC bus – Fuseless – Soft start of large synchronous motors and generators – Fuseless Examples of options

PURE ENERGY – EFFICIENT AND RELIABLE

Integrated drive portfolio We offer not only gear units and couplings. By working together with Siemens, we also pos-sess expertise in electrical drive technology, which enables us to provide the entire drive train including frequency converters, motors and controllers from a single source – per-fectly integrated and optimally combined, as a

Siemens SINUMERIK Manuals User Guides - CNC Manual

Siemens SINUMERIK Manuals ... SINUMERIK 802D sl Surface Grinding Programming Operating Manual. Siemens Simoreg Spindle Drive 6RA26. Sinumerik 840D/810D Configuring Syntax Guide. Sinumerik 840D sl Ctrl-Energy System Manual. Sinumerik 840Dsl Machine Configuration Guidelines.

Gearless drive systems for belt conveyor and grinding ...

Siemens was entrusted with the conveyor belt project in 2010, having already been awarded the contract to supply the electrical equipment for three grinding mills of …

Gearless mill drives - ABB

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

Service Sales Engineer - Large Drive ... - jobs.siemens

Siemens Large Drives Applications (LDA) engineers and produces heavy-duty electrical drive systems for medium and high voltage ranges: electrical motors, converters, and generators. Additionally, we offer special large drives for ships, mines and rolling mills.

Marcelo Perrucci – Global Product Line Manager - Grinding ...

ABB. Aug. 2012–Apr. 20196 Jahre 9 Monate. Baden-Dättwil. Based in Switzerland, global responsible for the entire product life-cycle management (including R&D) of Drive Systems for Grinding applications in the Product Group Mining, Aluminium and Cement. The portfolio includes Gearless Mill Drives (GMD), Ring-geared Mill Drives (RMD) and High ...

Conveyor systems | Transportation | Siemens Global

Siemens supplied and commissioned direct-drive systems for belt conveyor and grinding mills located 4,200 meters above sea level. The motor size is not limited by the gearbox size, thus eliminating the need for multi-motor drives.

Gearless mill drives - Grinding | ABB

Gearless mill drive system (GMD) 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 operations combines a robust ...

Bridgeport GX Series 5-Axis Models - Hardinge Bridgeport ...

2 ball screw ball screw linear way de tron co., ltd. model :_____ ser. no.:_____ date tel:04-25616000 fax:04-25627872 (ser vo motor) fanuc siemens mitsubishi heidenhain (other) (model) (reduction ratio)1/ kg/cm hydraulic power unit febis k68 (esso) vactra no.2 (mobil) tonna oil t 68 (shell) oil no.3 (iso vg2) remarks lubricate every 2 years check oil level weekly clean filter annually exchange ...

Amada Saws – Amada Saws

The Vision of Precision. With more than 70 years of industry experience, Amada Machinery America is committed to helping our customers deliver dependable service and top-quality work with exceptional grinding and sawing solutions. Marketing Lead Quality.

Shenzhen VTdrive Technology Co.,Ltd.: Variadores de Velocidade

Offering excellent vector control performance and insensitive to motor parameters. Startup torque: 0.50Hz 180% rated torque. Speed adjustment range: 1:100. Speed stabilization precision: ± 0.5%. 0.50Hz controlble motor stable operation with 150% rated torque. Vector Control 2 …

The Siemens 42ft gearless mill drive, still an ...

The result is the design of a Gearless Mill Drive motor for a 42ft Grinding Mill providing up to 35MW of power. Evolution is still the main GMD design philosophy, but realistic and proven computer models help to look beyond experience, where testing is impossible. The Siemens 42ft gearless mill drive, still an evolutionary design approach?

World's First Ore-Grinding Mill with Frozen Charge Shaker ...

..more at Siemens. World's First Ore-Grinding Mill with Frozen Charge Shaker Starts Operating in Brazil – Siemens Drive Solution Increases Availability and Productivity in Gold Mine

Sentinel: Siemens Gearless Mill Drives - YouTube

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 ...

US3369636A - Control of synchronous motors on a common ...

In. the operation of heavy machinery such as large grinding mills where it is not economic to drive the machine by a single synchronous motor, owing to limitations of gear sizes, it is the practice to employ a plurality of two or more synchronous electric motors, generally …

Slip Energy Recovery Drives (SER) Australia | CSE Uniserve

Description. The CSE Uniserve Rotor Drive Slip Energy Recovery System (SER) is designed for reliable and repeatable mill starting and speed control and to return all unused energy into circuit below when operating speed. It exclusively offers operators full torque at hyper synchronous speeds. Typical applications include mills, crushers, fans and pumps.

US7024805B2 - Dragline excavating machine with direct ...

A dragline excavating machine includes a gearless direct drive AC drive motor for driving each of the hoist and the drag drums in the system. The gearless AC motor is driven using a digital system which receives AC power from the utility system rectifies the power using active front end circuits, and converts the resultant DC to a frequency controlled AC using an inverter circuit.

LOESCHE SEMINAR, ISTANBUL/TURKEY 50 years of Loesche …

"Drive selection for large Loesche vertical roll-ers mills" was the focus of Thomas Fahrland. With reference to an overview, he pointed out that mill capacities have steadily increased in recent years. Fahrland compared three different gear systems with a conventional drive: EMPP from Siemens/ CEM from Maag, Multiple Drive from Siemens and

© Siemens AG 2016 SINAMICS G120C compact inverters …

The SIZER for Siemens Drives engineering tool makes it easy to engineer the SINAMICS and MICROMASTER 4 drive families. It provides support when selecting the hardware and firmware components necessary to implement a drive task. SIZER for Siemens Drives is designed to support configuring of the entire drive system.

First use of Sinamics SL150 cycloconverters for grinding ...

First use of Sinamics SL150 cycloconverters for grinding mills: Siemens to modernise ore mill drive. Posted by Matrix on 29th October 2010 Canada's Quadra FNX Mining has commissioned Siemens to modernise the drive in a SAG mill in its Robinson open-pit copper mine in Nevada, USA. This will be the first time that an ore mill is to be equipped ...

Web Development Services - Web Development Company | Logo ...

Your business website represents your brand. Therefore, its functional efficiency is important for your market reputation. Our web development services helps you to develop websites that comply with current industry standards, providing a seamless experience to your end-users.. Our web developers create high-performing websites using state-of-art website development practices.

Full gear unit range for your horizontal mill | FL

Lateral drive . Our freshly redesigned MAAG® GEAR LGDX is a highly functional, compact lateral drive system for horizontal mills. With its smart casing design, it can be positioned either on the horizontal axis of the mill or at 40° underneath it, delivering a more compact design with lower construction and foundation costs.

The Importance Of Motor Dynamics In Reciprocating ...

The Importance Of Motor Dynamics In Reciprocating Compressor Drives. Investments in further developing the North American natural gas supply continued at a strong pace in 2013. Major investments are being made to process, transmit and store the new gas supplies. The need for highly accurate torsional analyses to produce the most reliable ...

SIEMENS CNC Simulator | MasterControls

SINUMERIK Operator Cases, Drive Racks, and full Training Racks. Our SINUMERIK CNC simulators bring the Siemens CNC control right into the classroom, office, or maintainence space. Providing users with exposure to SINUMERIK controls without the need for a full feature machine.

Making gains with the OK™ mill - FL

Making gains with the OK™ Mill. 1 March 2018. As cement producers continually seek reduced energy consumption and lower maintenance costs, two emerging trends are changing the face of cement production: the use of grinding stations that support variable feed materials and more widespread use of vertical roller mills (VRMs).

Siemens to spin off Large Drives Applications ...

Siemens LDA covers a huge range of solutions but broadly it engineers and produces heavy-duty electrical drive systems for medium and high voltage ranges: electrical motors, converters and generators, as well as special large drives for ships, mines and rolling mills.

3-Axes Siemens 808D Mill CNC Kit, Siemens Motors & Drives ...

The Siemens 808D CNC for milling is perfect for 3-Axis Knee Mills, Vertical Machining Centers, and Routers. The control system is suitable for any machine that has 3 interpolating axes. For more information download the Siemens 808D CNC System Brochure .