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The Siemens 42ft gearless mill drive, still an

2021-4-14  demand for grinding mills beyond today’s standards of 40ft is just part of the natural market development and will soon challenge the suppliers. Past experiences guided Siemens to establish a new culture in designing bigger and more powerful Gearless Mill Motors for the expected de

SIMINE Gearless mill drives Siemens

2021-4-16  perfect concept. Siemens offers a minimum-weight, short-circuit-proof design featuring maximum stiffness especially for motors. This is why the motor’s resonance frequency is considerably higher than its operating frequencies. Reliability and availability The extremely high reliability and availabil-ity of Siemens SIMINE Gearless mill drives

Conveyor systems Transportation Siemens Global

2021-6-1  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.

Design and dynamic behavior of large Ring Motors for

2021-4-21  sis. Normally users of grinding mills do not allow interrup-tion of production for such measurements due to the high production of about 3,000 USD per minute. Therefore, the measurements were performed just after commissioning of a Ring Motor before the start-up of the Peñasquito plant in Mexico, where Siemens supplied a 19.3 MW Ring motor for

Lifecycle Services Mining industry Siemens Global

Minera Peñasquito operates two 36 foot semi-autogenous grinding (SAG) mills to grind the ore. Siemens is handling all the maintenance work for the drive systems and the associated power systems, including the primary high-voltage supply and the complete medium and low-voltage distribution of the process plant with a maintenance crew of 25 people.

siemens/mining SIMINE Gearless Mill Drives

2021-4-14  ability of Siemens SIMINE Gearless Mill Drives is based on mature technology, which we continually update with new, proven features. Cycloconverters, for example, are just one of the reasons why Siemens solutions excel. Their decisive advantage over other products on the market? They are fuseless and short-circuit-proof. And thanks to innovative

All the ways to grind coffee Welcome to Siemens Home

The original Turkish, French and English Lap Mills stored beans in a simple metal bowl, with a rotating metal pole emerging from the centre. The beans were ground by hand, as the serrated edge of the metal pole slowly sliced the beans in the bowl below. This slowly broke down the beans, depositing the ground coffee particles in a box below.

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, service-friendly and fit for purpose design to provide highest throughput, reliability

Mill drive selection for semiautogenous grinding mills

2019-11-14  grinding mills Dan B. Kivari and John Chapman A key operation of any milling circuit is grinding. Over the last two decades, large diameter semiautogenous grind-ing (SAG) mills have become the pre-ferred primary grinding mills. The drive systems became more complex as the size of the mills became larger, during which time operating and design expe-

Siemens, Grinding Mills With Ser Drive

Siemens, Grinding Mills With Ser Drive A Updates on geared vs gearless drive solutions for grinding mills SER drives are now mature and ready for use on 2 X 10MW dual drive mills.

Siemens shakes up ore grinding The Engineer The Engineer

2006-8-25  Siemens has developed a mechanism which adds a shaking action to ore grinding mills, preventing large stones from blocking the mills and stopping production.. Ore grinding mills are drums the size of houses in which ore for the production of metals is crushed. Big stones, however, frequently block the mills and workers have to break them down by hand or by using pneumatic hammers.

First use of Sinamics SL150 cycloconverters for grinding

2010-10-26  First use of Sinamics SL150 cycloconverters for grinding mills: Siemens to modernize ore mill drive for copper producer Quadra FNX. Quadra FNX Mining Ltd., a Canadian mining company, has commissioned Siemens to modernize the drive in an SAG mill in

AG mills for Sino Iron Project Australian Mining

2007-11-26  THE Siemens Industrial Solutions and Services Group (I&S) has received an order from CITIC Heavy Machinery, Luoyang, to supply gearless drive systems for five 40-foot autogenous grinding mills.

Plug-and-play controller for high-pressure grinding mills

2019-4-24  Siemens is extending the Simine portfolio for high-pressure grinding mills (HPGR) to include a new controller. Plug-and-play functionality makes the load share controller available for immediate use. The web-server based operator interface allows the process engineer at any time (on-line and off-line) to adapt the controller parameters and thus optimising the torque distribution. The

Innovative Gear Drive Solution for Grinding Mills E & MJ

2020-4-8  Innovative Gear Drive Solution for Grinding Mills December 2014 Operating Strategies Cemtec and Siemens jointly developed a standard-equipment, economical solution to handle the power needed to drive a 10.4 x 6.1-m, 15-MW SAG mill and an 8.2 x

Siemens Supplies Gearless Drive Systems with 'Frozen

2006-9-15  The Siemens Industrial Solutions and Services Group (I&S) has received an order from Equinox Copper Ventures Ltd. of Zambia to equip two ore-grinding mills for the Lumwana copper project with gearless “Simine Mill GD” drive systems. The “frozen charge shaker” function will be used here in ore-grinding mills for the first time.

First use of Sinamics SL150 cycloconverters for grinding

2010-10-29  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

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, service-friendly and fit for purpose design to provide highest throughput, reliability

Our modern vertical roller mill takes you further

The industry best in energy-efficient grinding, the OK Mill uses five to ten percent less power than other vertical roller mills and 30 to 50 percent less energy than conventional ball mills. Easy operation and maintenance. Worn roller grinding surfaces can either be replaced or

Siemens, Grinding Mills With Ser Drive

Siemens, Grinding Mills With Ser Drive A Updates on geared vs gearless drive solutions for grinding mills SER drives are now mature and ready for use on 2 X 10MW dual drive mills.

Siemens Mining Technology Mining News and

Siemens Supplies Gearless Drive Systems with ‘Frozen Charge Shaker’ for New Ore-Grinding Mills in Zambia. The Siemens Industrial Solutions and Services Group (I&S) has received an order from Equinox Copper Ventures Ltd. of Zambia to equip two ore-grinding mills for the Lumwana copper project with gearless “Simine Mill GD” drive systems.

AG mills for Sino Iron Project Australian Mining

2007-11-26  THE Siemens Industrial Solutions and Services Group (I&S) has received an order from CITIC Heavy Machinery, Luoyang, to supply gearless drive systems for five 40-foot autogenous grinding mills.

All the ways to grind coffee Welcome to Siemens

The original Turkish, French and English Lap Mills stored beans in a simple metal bowl, with a rotating metal pole emerging from the centre. The beans were ground by hand, as the serrated edge of the metal pole slowly sliced the beans in the bowl below. This slowly broke down the beans, depositing the ground coffee particles in a box below.

Plug-and-play controller for high-pressure grinding

2019-4-24  Siemens is extending the Simine portfolio for high-pressure grinding mills (HPGR) to include a new controller. Plug-and-play functionality makes the load share controller available for immediate use. The web-server based operator interface allows the process engineer at any time (on-line and off-line) to adapt the controller parameters and thus optimising the torque distribution. The

Preprint 13-050

2018-2-20  Several thousand grinding mills have been manufactured and have been in operation for the last century. The gearless drive came into the minerals industry in 1980 and as per their reference lists, Siemens have approximately 60 installations and ABB have approximately 85. The reasons why these gearless drives on mills came about in the late

2.5l Laboratory Basket Mill For Pigment Test Grinding

2.5l Laboratory Basket Mill For Pigment Test Grinding,Find Complete Details about 2.5l Laboratory Basket Mill For Pigment Test Grinding,Laboratory Basket Mill,Pigment Basket Mill,Basket Bead Grinder from Grinding Equipment Supplier or Manufacturer-Shanghai Root

Ring-geared mill drives Grinding ABB

Copper Mountain: Overview on the grinding mills and their dual pinion mill drives (English pdf Technical publication) Measuremens at a state of the art 2x5 MW dual pinion mill drive (English pdf Technical publication) Protect and optimize your RMD systems. Service

Our modern vertical roller mill takes you further

The industry best in energy-efficient grinding, the OK Mill uses five to ten percent less power than other vertical roller mills and 30 to 50 percent less energy than conventional ball mills. Easy operation and maintenance. Worn roller grinding surfaces can either be replaced or

MATERIAL GRINDING BY MEANS OF BALL MILLS DAAAM

2019-2-19  the grinding mills are big power consumers, since grinding process is power-intensive. The electric power consumption for solid material grinding amounts up to about 20 % of the total power consumption for own needs of the plant or about 2 % of the total amount of power grinding processes are Siemens, Schenk, Br.