siemens grinding mills with ser drive

siemens grinding mills with ser drive

Gearless Mill Drives Beneficiation Siemens Global

Siemens implemented a unique SIMINE Gearless mill drive with SIMATIC PCS 7 mill automation and a Frozen Charge Shaker. The mine operators profit not just from an operational efficiency of 95.3%, but also from low operating costs, minimized downtime, and outstanding availability and reliability.

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The operation modes of a grinding mill with gearless drive

The use of gearless drives for grinding mills, es-pecially SAG mills, has increased considerably in recent years, owing to their many benefits. Besides adjusting the mill to softer or harder ore, the vari-able speed of the gearless drive is used to facilitate the Inching, Normal Start

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The Siemens 42ft gearless mill drive, still an

the due diligence approach from Siemens in designing the next size Gearless Mill Drive, i.e. a 42ft mill. It is a dual design approach considering, on the one hand, the experi-ences Siemens made with Gearless Mill Drive (GMD) instal-lations over the past 40 years and, on the other hand, using

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Reprint Siemens

corporating low speed motors, driving mills via a mechanical drive train with single or dual pinion and girth gear. This solution comes up its economic and design limits with increasing drive sizes. Today, mills are powered by up to 20,000 kW and mills with up to 32,000 kW are in the engineering stage. Figure 1: Gearless driven grinding mills

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Siemens Delivers First Gearless Mill Drive System to

9/13/2006· With a diameter of approximately 12 meters (38 foot) and a length of around 7 meters (22 foot), the SAG (Semi Autogenous Grinding) Mill is one of the largest mills in the world. As part of this expansion project, Siemens will supply a Simine Mill GD gearless drive system with

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Optimal medium-voltage drive for low speed and Siemens

• Coordinated drive systems with synchronous and induction motors • Motor speeds from 10 to 15,000 rpm in the megawatt power range Legendary reliability Since 1970, countless global users have chosen Siemens cycloconverters for their plants. Over 700 units installed dur-ing this time are testament to their legendary performance.

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Preprint 13-050

SER drives are now mature and ready for use on 2 X 10MW dual drive mills. Speed variation required is in the range of +/- 15% of synchronous motor speeds. VVVF drive packages from ABB and Siemens are also available for 2 x 10MW in low and high speed options. Dual hydraulic inching drives provide a

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Gearless mill drives Grinding ABB

Process optimization leads to a more efficient use of grinding power; Maintenance benefits. Easy maintenance and direct communication with drive via mill local control panel (MLCP) Reduced maintenance time ; Quick return to operation with frozen charge remover; Minimized unplanned downtime due to advanced monitoring and remote service features

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Ring-geared mill drives Grinding ABB

Variable speed solution, including softstarting and optimum torque control for entire speed range. Suitable for any kind of grinding mill. RMD plus. Full variable speed solution, additionally including mill application features providing highest operational flexibility and optimizing maintenance actions.

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Geared vs Gearless drive solutions for grinding mills

7/4/2013· En el marco del Encuentro de Operadores (Edición 30 de PERUMIN) se realizó la conferencia: "Geared vs Gearless drive solutions for grinding mills".

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Siemens Supplies Gearless Drive Systems with 'Frozen

9/15/2006· 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. The 26 foot mill (8 meters) will have a drive

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Siemens Delivers First Gearless Mill Drive System to

9/13/2006· With a diameter of approximately 12 meters (38 foot) and a length of around 7 meters (22 foot), the SAG (Semi Autogenous Grinding) Mill is one of the largest mills in the world. As part of this expansion project, Siemens will supply a Simine Mill GD gearless drive system with

Read More
Optimal medium-voltage drive for low speed and Siemens

• Coordinated drive systems with synchronous and induction motors • Motor speeds from 10 to 15,000 rpm in the megawatt power range Legendary reliability Since 1970, countless global users have chosen Siemens cycloconverters for their plants. Over 700 units installed dur-ing this time are testament to their legendary performance.

Read More
Geared vs Gearless drive solutions for grinding mills

7/4/2013· Los Bronces relying on Siemens Gearless Mill Drives Duration: 6:20. Siemens 13,153 views

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Drive Solutions up to 28 MW vem-group

From development through to aftersales ser-vice, VEM is focussed on meeting user-specific demands. By cooperating closely with the cus Drive systems for general applications Drive systems for special applications Retrofit solutions grinding mills, mixers, kneaders, worm extruders Drive Solutions up

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Ring-geared mill drives Grinding ABB

Variable speed solution, including softstarting and optimum torque control for entire speed range. Suitable for any kind of grinding mill. RMD plus. Full variable speed solution, additionally including mill application features providing highest operational flexibility and optimizing maintenance actions.

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drive efficiencey of an srr grinding mill BINQ Mining

Apr 01, 2008 · High Efficiency Ball Mill Grinding. drive efficiencey of an srr grinding mill. cement ball mill for sale. high efficiency mine cone crusher. 4000 kW drive power. These mills operate in conjunction with ball mills for ball mill efficiency

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synchronous motors Entries Industry Support Siemens

- Cold Rolling Mills Hot strip mill roughing and finishing stands. Mining (crushers, grinding mills ) Cement (crushers, mills ) Advantages : • Excellent torque characteristics • High efficiency • Unity power factor and ease of controllability • Greater Stability in the Operation with Frequency Inverters • Constant Speed Hope this helps

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Siemens CNC Retrofit Solutions » MasterControls

Sinumerik 808D/808D Advanced. The Siemens SINUMERIK 808D Low-Cost Control for Milling/Turning is perfect for Knee Mills, Vertical Machining Centers, Routers, Lathes, and Grinders. The control system is suitable for any machine that has 4 interpolating axes.

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US5154364A Grinding gap adjusting device for milling

The invention relates to a grinding gap adjusting device for milling roller mills, in which a casing contains two grinding rollers, whereof one is constructed as a pivotable loose roller, together with adjusting members and a device for the automatic setting of the grinding gap by means of a remotely controllable drive motor, the latter being coupled to the adjusting members by transmission means,

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