Trunnion Bearing Assembly Ball Mill & Rod Mill

Ball Mill PINION SHAFT BEARINGS. The first part of the mill that we will look at is the TRUNNION BEARING. This is a HYDROSTATIC BEARING which is a slow moving bearing that carries a heavy load. Usually it is …

SAG Mill Grinding Circuit Design - …

SAG Mill Design and Specification . The Kidston plant was designed to process 7500 tpd fresh ore of average hardness; but to optimise profit during the first two years of operation when softer oxide ore will be treated, the process …

First use of Sinamics SL150 ... - International Mining

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 ...

Programming style guide - Siemens

a free service by Siemens AG and/or a subsidiary of Siemens AG ("Siemens"). They are non-binding and make no claim to completeness or func tionality regarding configuration and equipment. The application examples merely offer help with typical tasks; they do not constitute customer-specific solutions.

Ok Tedi plans for long term with SAG mill upgrades by …

In the island state of Papua New Guinea, Ok Tedi Mining Limited (OTML) runs the copper and gold mine Ok Tedi. OTML's drive train infrastructure at the Ok Tedi mine is in excess of 30 years old. In order to ensure long term profitability, OTML is using Siemens technology to supply and install complete new variable speed drive trains for the two Semi-Autogenous …

SAG Mill | Autogenous and Semi-Autogenous Mills | …

Since the early 1980s, we have been designing and manufacturing Semi Autogenous Mill (SAG Mill) and Autogenous Mill (AG Mill) under the Fuller-Traylor brand. Semi-autogenous grinding uses a minimal ball charge in the range of 6-15% while autogenous grinding uses ore only. SAG and AG Mills operate by lifting ore/grinding media and dropping it on ...

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Parameter Manual Machine data and parameters - …

1 Machine data and parameters Parameter Manual, 03/2013, 6FC5397-7AP40-3BA1 7 Machine and setting data 1.1 Explanation of the …

Siemens - setting the standards in mining - International ...

Siemens – setting the standards in mining. Posted by Paul Moore on 11th August 2021. Powering some of the world's largest mining conveyors, grinding mills, hoists and trolley assist truck fleets, Siemens has an enviable reference list and depth of experience. IM Editorial Director, Paul Moore spoke to Christian Dirscherl, VP for Mining ...

problem Scaling Mismatch to Ballbar - Siemens

2) Usually the mechanical squareness measurement are made on 250-300 mm so the value that you say, 2 cent, is the same value that you obtained with Ballbar (-0,061 mm/m=>0,020 mm/300). Usually the sag compensation table is used to compensate the horizontal spindle bending due to the weight of the spindle.

SAG Mill Control: It Shouldnt be that Hard

The mill, the first of five to be installed at Sino, has a diameter of 12.2 m (40 ft), is 15 m (49.2 ft) long, and will be powered by a 28-MW Siemens GMD. Siemens also supplied the gearless drives for a 36-ft SAG mill with a rated …

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

SAG mill drives (as GMDs) by some operators and principal motor designers/manufacturers until the reasons for known problems in design or manufacturing were better understood and resolved. Accordingly, the latest 40 ft dia. SAG mill is rated at 29 MW and 78% C.S., with a 42 ft dia. mill built but not yet operational. The more recent option

Mining industry | Market-specific Solutions | Siemens Global

A sustainable, digital, highly efficient future. Mining creates the foundation for future growth. It provides the elements for every industry, from construction to mobility to consumer goods. This is why the mining industry must be on the forefront of sustainability – …

Our modern vertical roller mill takes you further …

Our vertical roller mill offers optimum raw, cement and slag grinding. Our best-in-class OK™ Mill is a globally successful vertical roller mill solution for grinding raw material, cement and slag. Its cutting-edge design features consistently deliver …

1 x SAG Mill & Siemens Motor - Global Physical …

1 x SAG Mill & Siemens Motor For Sale/Re-Assignment Mill Details Type of Mill SAG Mill Mill Dimensions 11,582 mm x 7,759 mm (38' x 26') (D x L) Default Mill Speed 7.5-8.0 RPM Mill Speed 7.56-10.08 RPM Liners Excluded Mill Drive Motor Type Wrap Around (included) Mill Drive Motor Size 19,400 KW (26,016 hp) Variable Speed Drive Yes Max.

SINAMICS PERFECT HARMONY GH180 - Siemens

Siemens has more than four decades of experience manufacturing nearly every type of medium-voltage converter or inverter that ... • Specialized applications such as rolling mills, horizontal mills, shaft generators and high-speed compressors SINAMICS PERFECT HARMONY GH180 ... (dip or sag) -34%, continues operation with reduced torque ...

1 Fundamental Principles of 2 SINUMERIK 840D sl ... - …

Preface Fundamentals iv Programming Manual, Edition 08/2005, 6FC5398-1BP10-0BA0 Hotline If you have any questions, please get in touch with our hotline: A&D Technical Support Tel.: +49 (0)180 5050-222

Siemens Delivers First Gearless Mill Drive System to ...

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 20,000 kilowatts of rated power.

Gearless Mill Drives | Beneficiation | Siemens Global

Siemens has provided about 80 SIMINE Gearless mill drives to the mining industry since 1980. In these thirty-plus years, SIMINE Gearless mill drives have accumulated a combined total of over 500 years in operation time – and this number is steadily growing even as you read this. This is a benchmark we are immensely proud of.

Sieg SX2 Mini Mill - mini-lathe.com

Introduction (10/17/09) As they have done with the new SC2 7x12 mini-lathe, Sieg's engineers have taken the basically sound design of the X2 mini-mill and enhanced it with a new belt-drive and brushless DC motor to make …

Siemens to Upgrade SAG Mill Drives at Bingham Canyon | …

Siemens to Upgrade SAG Mill Drives at Bingham Canyon. November 2010 | Suppliers Report. Rio Tinto has commissioned Siemens Industry, Inc. to modernize three semi-autogenous grinding (SAG) mills at Kennecott Utah Copper's Bingham Canyon mine/plant complex near Salt Lake City, Utah, USA. According to Siemens, the DC-powered drives will be ...

Horizontal Mill Pinion Drives | Beneficiation | Siemens Global

Products for SIMINE Pinion mill drives. Siemens provides high-speed drives as well as low-speed drives. Our high-speed drive solutions provide operational flexibility and full modularity. The power ranges from 100 kW to 24 MW. Our low-speed drives reduce wear and help cut energy costs by up to 5%. Offered up to 24 MW, the variable speed of low ...

Siemens modernises SAG mill gearless drive in Cadia …

Siemens modernises SAG mill gearless drive in Cadia Valley. Posted by Matrix on 27th March 2012 Siemens has modernised a gearless grinding mill drive at Newcrest's Cadia Valley Operations, near Orange in New South Wales, Australia. This is the first time that a gearless grinding mill had been equipped with a Sinamics SL150 cycloconverter control.

SAG Mill Grinding Circuit Design - 911metallurgist.com

SAG Mill Design and Specification . The Kidston plant was designed to process 7500 tpd fresh ore of average hardness; but to optimise profit during the first two years of operation when softer oxide ore will be treated, the process equipment was sized to handle a throughput of up to 14 000 tpd. Some of the equipment, therefore, will become ...

SIMINE Gearless mill drives - assets.new.siemens.com

SIMINE Gearless mill drives' rpms can be tailored to your operations at any time, and are infinitely variable and uncomplicated. Whether manually or fully automatic – rpms can be adjusted to account for the proper-ties of the ore, resulting in significantly less wear to the mill lining. The mill's direction

Design and dynamic behavior of large Ring Motors ... - …

Ring Motors vary the speed of the mill by changing the sta-tor frequency. A cycloconverter provides variable frequency for start, stop and speed variation during operation. Figure 1: Ring Motor of the 38' SAG-Mill of Rio Paracatú Mineraçao; Brazil 3 Design Verification To assure reliability of operation the mechanical design must be verified.