Galbiati Group has recently implemented the biggest ever constructed gear reducer addressed to Siemens Vai Pomini.. Worm screw gear set, consisting in a helical five assets wheel for screw down drive; composed of two symmetrical parts, with a weight of about 28,000 kg each.. Command reducer for the opening of the cylinders of the roughing mill, hot reversible with …

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%.

Mill Drive [kW] / Output Torque Gearbox [kNm] 0 100 200 300 400 500 600 700 Mill Capacity [t/h] Mill Drive Power Output Torque Gearbox Mill Capacity Fig. 1: Development of mill sizes 1.1 Function of the main gearbox in a vertical roller mill The main gearbox of a vertical roller mill has to perform two major tasks (see also Fig. 2): 1.

Standard gear unit which can be installed horizontally or vertically. Nominal torque range from TKN = 3,100 Nm to 1,400,000 Nm with 28 sizes. Nominal transition range from i = 1.25 to 450. Over 1,000,000 versions, but only one original. The FLENDER® helical and bevel-helical gear unit portfolio is by far the most comprehensive range of ...

London, 09.12.2021. In October 2021, Indian steel producer JSW Steel Ltd. started up two continuous slab casters at its Dolvi plant in Maharashtra. Together, the two two-strand casters have an initial annual capacity of around 4.5 million metric tons of slabs with future capacity potential for 6 million metric tons.

Early attempts to provide load sharing on twin pinion drives used primitive electronics which have since been developed to eliminate the problems encountered in earlier attempts. In particular, torque pulsations between the twin motors have been overcome using a higher number of devices (pulses) and better electronics.

Last month at the Future of Mining Conference in Sydney, PETRA MD, Penny Stewart demonstrated the world's first digital twin for mine value chain optimisation. Two years of historical data from PanAust's Ban Houayxai mine was ingested into the MAXTA digital twin.

Pinion mill drives are widely used in the mining industry to grind materials to a requested size. If the equipment is operating at optimum efficiency, this has positive impact on production and operating economics. Drive solutions are needed for speed and torque control.

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The twin pinion mill drive application uses the same control system technology as the gearless drive technology, providing variable speed to optimize the grinding process and throughput. The system is equipped with Simatic PCS 7 control software and visualization for mining, and it measures the torque of each motor to ensure that both motors ...

SIEMENS FLENDER KMPS 755 Gearbox for VRM, 990/22.17 rpm, 5600KW, New Surplus Please inquire. MAAG WPU-242/C Gearbox for VRM, 40.86:1, 995/24.35 rpm, …

A rolling mill drive with at least one drive spindle arranged between a drive unit and a driven roll and terminating in a spindle head connected detachably to the neck of the roll. A coupling and decoupling device is arranged between the neck of the roll and the spindle head of the drive spindle. The coupling and decoupling device includes a coupling sleeve, a coupling pin …

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Autogenous and Semi-Autogenous Mills Single stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach. Whe

1 X Metso Sag Mill Siemens Motor. ... Sag mill product feeds two parallel ball mills of 66 m 111 m internal diameter length each with a 97 mw twin pinion drive the ball mills are operated at a ball charge volume of 3032 and 785 critical speed the sag mill trommel undersize is combined with the ball mills discharge and pumped to two parallel ...

SIEMENS AG Automatisierungs- und Antriebstechnik Motion Control Systems Postfach 3180, D-91050 Erlangen and R. & S. KELLER GmbH Klaus Reckermann, Siegfried Keller Postfach 13 16 63, D-42043 Wuppertal Order No.: 6FC5095-0AB00-0BP1

Twin-Pinion Mill Stand Drives. 2-Speed, twin-piniion mill stand drives with pneumatic shifter and a force-feed lube system are offered. Features. Ratios up to 1500:1; Single,double,triple,quadruple,quintuple reductions; Ratings up to 6,000,000 in. lbs. (677,909 Nm)

Gearless mill drive (GMD) and digital services help increase production by 50% at Kinross Tasiast mine in Africa. Driving Boliden's electric transformation, saving 830 m3 of diesel annually and reducing emissions by 80 %. Sustainable deep underground mining: LKAB, ABB, Epiroc, Combitech and AB Volvo collaboration.

Axis backlash checking and adjustment procedure for CNC. Machine parameter compensation, problems and causes related to excessive mechanical slop in ballscrews and gibs.

Installation of a Sinamics type SL150 cycloconverter is the centerpiece of the modernization of the ore mill in the Robinson Mine. The Simine Mill GD solution concept for gearless mill drives and twin-pinion mills enables analog or early digital control systems to be replaced without also having to replace the motor or transformers.

The longevity of MAAG® GEAR Pinions contributes to easy maintenance and smooth operations for your mill and kiln. The diversity to fulfil your demands. The wide variety of our MAAG® GEAR Pinion designs allows them to function in a wide range of applications. Our range of materials, finishings and features gives you precisely the right pinions ...

The Simine Mill GD solution concept for gearless mill drives and twin-pinion mills enables analog or early digital control systems to be replaced without also having to replace the motor or transformers. Particularly in retrofitting projects, the control system of a cycloconverter can be replaced while retaining the power unit.

China 1-2t/H Small Capacity Siemens Motor Equipped Animal Feed Pellet Extruder, Find details about China Pellet Mill, Feed Pellet Making Machine from 1-2t/H Small Capacity Siemens Motor Equipped Animal Feed Pellet Extruder - Henan Richi Machinery Co., Ltd.

Logistic challenge: New stage goal. The arrival of the low speed dual-pinion mill drives for Collahuasi Copper Mine, ChileSiemens Mining

Hot aluminum roughing mill. Twin drive . 2 x 3.600 kW – 30 rpm – 1.300 mm Roll center distance. Read More. 25 February 2010 kingonweb.

Danieli high-productivity straight bar production lines achieve over 180 t/h of 10-mm-dia bar/rebar production through the High-speed Twin Channel system for a 96-meter-long straight bar running onto the cooling bed at a speed of 50 m/s (180 km/h), braked and discharged in less than 2 seconds or over 130 t/h wehn using multi-stand slit rolling technology.

It also includes large geared pinion drives for mills, as well as AC drives for shovels and mine winders. Finally, it includes the Siemens AC drives for mining trucks. In the bigger picture, LDA Minerals Solutions takes a comprehensive view of mining electrification and covers all aspects from generation to utility infeed, through medium ...

design mill speed, and the maximum design ball charge volume (Barratt, 1989). For single pinion and dual pinion drives, with 21 MW now a distinct possibility, the probability of pinion changes to a higher mill speed should always be considered when set-ting gear ratios, service factors, and motor power ratings.

This document shows a 3D visualization of a typical SIMINE® PMD (Pinion Mill Drive) solution. Feel free to download it and play with the different options to get a better understanding of our solution.