China Yr Yzr Wound Rotor Slip Ring Lifting Metallurgy

Three Phase Motor, Ac Motor, Induction Motor manufacturer / supplier in China, offering Yr Yzr Wound Rotor Slip Ring Lifting Metallurgy Crane GOST Low Voltage Ball Mill Asynchronous Three Phase AC Induction Electric Motor, AC Induction Motor Electric Llift Motor, AC Induction Motor High Temperature Electric Motors and so on.

Ringgeared mill drives Grinding ABB

Nowadays more and more mills are fed by frequency converter systems, allowing for higher performance and flexibility of operation. ABB continuously extends technical and performance frontiers of ringgeared mill drive (RMD) technology to fit your site requirements. We provide optimized mill drive solutions for all types of ringgeared mills

Carbon Brush Performance on Slip Rings Mining Electrical

Carbon Brush Performance on Slip Rings Richard D. Hall – Morgan AM&T Roland P. Roberge – Morgan AM&T Gary Lozowski – Morgan AM&T Mining Electrical Maintenance and Safety Association September 9, 2010 Clearwater, FL. Machines that use Carbon Brushes on Slip Rings. Synchronous Motor or Generator Slip Rings Carbon Brushes. Synchronous Motor • Constant speed • Very

Slip Rings Moog Inc.

With over 35 years of experience, our Business Development Specialist, Glenn Dorsey, discusses the basics of slip rings. From how they are designed and manufactured to the internal workings that allow the transmission of power and data, Dorsey shares key information on choosing the right slip ring

Ringgeared mill drives Grinding ABB

Nowadays more and more mills are fed by frequency converter systems, allowing for higher performance and flexibility of operation. ABB continuously extends technical and performance frontiers of ringgeared mill drive (RMD) technology to fit your site requirements. We provide optimized mill drive solutions for all types of ringgeared mills

Cement mill motors Medium voltage motors

Slip ring electric motors for ball mill, cement mill and raw mills. The first class manufacurer and suplier of large slip ring motors with fast delivery time and high flexibility. Type: asynchronous slip ring electric motor Power: 160 to 5000kW Voltage: 400V, 690V, 3300V, 6000V, 6600V, 11000V Frequency: 50Hz or 60Hz Number of poles: 4, 6, 8, 10

MAINTENANCE SCHEDULE CHECKLIST

stator & 2 for rotor slip rings 4 Terminals – 2 for armature & 2 for field. Sometimes 2 additional for shunt field Terminals cabinet type and position DC field supply required. A modified Universal motor has brushes & commutators (for use as power tool drives like drills, cutters, grinding mill motors, etc.) Rotor have Commutators &

Henan Hiya Mechanical Equipment Co. LTD.

Ball Mill . Concrete Mixer Truck. JR Slip Ring Induction Motor. ZD Conical Motor. YZTD Variable Poles Multispeed Threephase Motor for Tower Crane. YD Variable Poles Multi Speed AC Motors. Hammer Crusher. YEZ Conical Rotor Motor Threephase Asynchronous Motors. YZR Tower Crane Motor. Belt Conveyor for Dry Powder . Henan Hiya Mechanical Equipment Co. LTD. No. 301.National Road,

Old School Sync motor soft started and put across the line

09.11.2015 · Old School Sync motor soft started and put across the line 1000 HP 4000V Ball mill drive. GE Synchronous motor Fast forward to the 35 second mark you never know when they will actually

Ring gear drives huge grinding mill Machine Design

Motors & Drives Ring gear drives huge grinding mill. By this summer, a grinding mill that is bigger around than a Boeing 747 will turn chunks of copper ore into gravelsized bits for smelting and

SLIP RINGS MTEK

SLIP RING ASSEMBLIES The main function of a slip ring assembly is to transfer electrical power and electrical signals from a stationary to a rotating platforms. MTEK specialises in the design and production of compact, instrumentation slip ring assemblies designed for AC and DC current, digital data, control signals and video signals.

SLIP RINGS MTEK

SLIP RING ASSEMBLIES The main function of a slip ring assembly is to transfer electrical power and electrical signals from a stationary to a rotating platforms. MTEK specialises in the design and production of compact, instrumentation slip ring assemblies designed for AC and DC current, digital data, control signals and video signals.

MAINTENANCE OF CARBON BRUSHES, BRUSHHOLDERS,

MAINTENANCE OF CARBON BRUSHES, BRUSHHOLDERS, COMMUTATORS AND SLIP RINGS. A major player in industry worldwide, Mersen offers you its global technical expertise based on its extensive knowledge of electrical rotating machinery gathered over a period of 120 years. This guide is for the use of all professionals in industrial maintenance. Preventive maintenance procedures vary depending on

Mining, Mineral Processing & Power Plant Equipment for

Mining, Mineral Processing & Power Plant Equipment for Sale since 1999 We offer the most reliable choice for all kinds of Electric Motors, Sychronous Motors, DC Motors, Used Motors, Ball Mills, Rod Mills, Pebble Mills, SAG Mills, Mine Hoists, Crushers, Flotation, Mixers, Pumps, Diesel Generators, Natural Gas Generators and all the Mining Equipment you require.

Ball Mill Induction Motor Slection

motor selection for ball mill Forum for Electronics. Mar 09, 2016· motor selection for ball mill Hi All, I am planning to build a ball mill due to its high price. A ball mill is a device to grinder any media. Lets get back for the motor selection :) So induction motors should be the target here. I can get fan motor or water pump motor (2 poles

SmartMill Grinding ABB

Combine ABB''s variablespeed drive system with advanced process control ABB Ability™ Expert Optimizer for grinding to provide maximum mill control. It can be applied to new or existing AG, SAG and ball mills, powered by either ringgeared mill drives (RMD) or gearless mill drives (GMD).

Electrolytic starter (LRS) for high power slipring motors

The level variation of electrolyte is pretty slow, which does not enable resistance to vary quickly enough for some specific appliions (control of the slip for the ball mills for example). Why using a starter for slip ring motors. In order to start a slip ring motor, the accelerating torque has to be sufficiently higher than the resisting

Slip ring motors MENZEL Elektromotoren

Most slipring motors that leave our plant in Germany are special adaptation specimens – for example motors that are no longer being produced by large companies such as Siemens, or ABB. Typically, these are single slipring motors that are electrically and mechanically identical to older models.

Slip Ring Induction Motor YouTube

04.10.2017 ·Ń phase motor with Resistance Type Starter. 2 Rocar arm field armature commutator carbon brush with holder slipring commutator centre fugal swit Duration: 3:44. Pushpendra Kumar Sharma Jangid

Electrolytic starter (LRS) for high power slipring motors

The level variation of electrolyte is pretty slow, which does not enable resistance to vary quickly enough for some specific appliions (control of the slip for the ball mills for example). Why using a starter for slip ring motors. In order to start a slip ring motor, the accelerating torque has to be sufficiently higher than the resisting

Starting a 6kV 3Ph 2,200 kW 1,000 rpm slipring motor

16.09.2017 · Starting a 6kV 3Ph 2,200 kW 1,000 rpm slipring motor for a cement ball mill

Starting of slip ring induction motor explained in an easy

A Slip Ring induction motor can be started with external resistance added in its rotor circuit. But how does external resistance aid in better starting characteristics? Read here to know about the starting arrangement and the role played by the external resistances in obtaining better starting characteristics. Also know about the qualities of slip ring induction motors.

What is a liquid resistance starter?where it is used??

What is a liquid resistance starter?where it is used??.. Answer / anurag pattanayak Since in a Slip Ring Induction Motor, the Rotor resistance is low, this can cause very high current and low starting torque.SO by externally adding resistance, we increase the rotor resistance and thus decrease the starting current and increase the starting torque. ie Pull out torque can be

GEARS & DRIVES IRevival of the GMD in cement

installation of a 40ft, 28MW SAG mill GMD and two 28ft, 22MW ball mill GMDs at Toromocho (Minera Chinalco Peru) at the unprecedented height of 4600m above sea level. by Matthias Neurohr, ABB Switzerland Ltd IRevival of the GMD in cement Mr P Subba Raju, MD Lalitha Cement, and Abdellah Nahdi, senior sales manager ABB

China AC Motor manufacturer, High Voltage Motor, Slip Ring

AC Motor, High Voltage Motor, Slip Ring Motor manufacturer / supplier in China, offering AC Induction Motor Electric Llift Motor, AC Induction Motor High Temperature Electric Motors, AC Induction Motor Electric Motor 630kw and so on.

MAINTENANCE OF CARBON BRUSHES, BRUSHHOLDERS,

MAINTENANCE OF CARBON BRUSHES, BRUSHHOLDERS, COMMUTATORS AND SLIP RINGS. A major player in industry worldwide, Mersen offers you its global technical expertise based on its extensive knowledge of electrical rotating machinery gathered over a period of 120 years. This guide is for the use of all professionals in industrial maintenance. Preventive maintenance procedures vary depending on

Ball Mill Induction Motor Slection

motor selection for ball mill Forum for Electronics. Mar 09, 2016· motor selection for ball mill Hi All, I am planning to build a ball mill due to its high price. A ball mill is a device to grinder any media. Lets get back for the motor selection :) So induction motors should be the target here. I can get fan motor or water pump motor (2 poles

Slip ring Wikipedia

Slip ring types. Slip rings are made in various types and sizes one device made for theatrical stage lighting, for example, had 100 conductors. The slip ring allows for unlimited rotations of the connected object, whereas a slack cable can only be twisted a few times before it will fail.

Gearless mill drives Grinding ABB

Our GMD eliminates all mechanical components of a conventional mill drive system, such as ringgear, pinion, gearbox, coupling, motor shaft and motor bearings: By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor. The motor is fed by a fuseless cycloconverter that is connected to the MV

Milling Energy intensive and high maintenance

field in the air gap of the motor, eliminating the gear reducer, the ringgear and the mechanical related issues faced by maintenance with ringgeared mills. In fact the rotor of the ring motor is the mill itself and the stator is built around the mill shell. This is also the reason why the ring motor is also known as wraparound motor. 9 12 6

Gearless mill drives Grinding ABB

Our GMD eliminates all mechanical components of a conventional mill drive system, such as ringgear, pinion, gearbox, coupling, motor shaft and motor bearings: By mounting the rotor poles directly onto the mill, the mill itself becomes the rotor of the gearless motor. The motor is fed by a fuseless cycloconverter that is connected to the MV

Slip ring Wikipedia

Slip ring types. Slip rings are made in various types and sizes one device made for theatrical stage lighting, for example, had 100 conductors. The slip ring allows for unlimited rotations of the connected object, whereas a slack cable can only be twisted a few times before it will fail.

Cycloconverter Wikipedia

CCVs are used for driving mine hoists, rolling mill main motors, ball mills for ore processing, cement kilns, ship propulsion systems, slip power recovery woundrotor induction motors (i.e., Scherbius drives) and aircraft 400 Hz power generation. The variablefrequency output of a cycloconverter can be reduced essentially to zero. This means

Used MOTORS, A.C., SLIP RING, 60 CYCLE (Wound Rotor) For

Motors, A.C., Slip Ring, 60 Cycle AC Slip Ring Motors, Electric Motor Frame, Induction General Electric, Westinghouse, AllisChalmers, Toshiba, Asea, Reliance

What is a liquid resistance starter?where it is used??

What is a liquid resistance starter?where it is used??.. Answer / anurag pattanayak Since in a Slip Ring Induction Motor, the Rotor resistance is low, this can cause very high current and low starting torque.SO by externally adding resistance, we increase the rotor resistance and thus decrease the starting current and increase the starting torque. ie Pull out torque can be achieved at very

Mining Grinding and Processing WEG

New Mining Motor: a special product for tough appliion. This motor incorporates special features and a new system of brushes and slip rings (wound rotor motors) making them suitable to operate under severe and harsh area appliions.

Slip Ring Motor Fundamentals Brighthub Engineering

One of the main classifiions of Asynchronous motors are the slip ring induction motors.Do you know what happens to slip ring motor when external resistance is added? Also Know about the special constructional features of the rotor. Also appreciate the external resistances and carbon brush arrangements with the slip rings and advantages of slip ring induction motor.

Ball bearing motor Wikipedia

A ball bearing motor is an unusual electric motor that consists of two ballbearingtype bearings, with the inner races mounted on a common conductive shaft, and the outer races connected to a high current, low voltage power supply.An alternative construction fits the outer races inside a metal tube, while the inner races are mounted on a shaft with a nonconductive section (e.g. two sleeves

Ball mill motor type Mine crushing equipment Henan

Ball mill motor type. 2019722 · Ball mill. A typical type of fine grinder is the ball mill.A slightly inclined or horizontal rotating cylinder is partially filled with balls, usually stone or metal, which grind material to the necessary fineness by friction and impact with the tumbling balls.

Slip Rings Moog Inc.

With over 35 years of experience, our Business Development Specialist, Glenn Dorsey, discusses the basics of slip rings. From how they are designed and manufactured to the internal workings that allow the transmission of power and data, Dorsey shares key information on choosing the right slip ring for you.

CMP Paper 16.10.09 Final ABB Group

USE OF THE LATEST TECHNOLOGY TO OVERCOME THE DEMANDS OF MILL OPERATION Tatiana Ravani von Ow, M.Sc., Sales Manager Ringgeared Mill Drives Leandro Bomvisinho, M. Sc., Sales Manager Gearless Mill Drives ABB Switzerland Ltd Center of Excellence Mining Process Segelhofstrasse 9P 5405 Baden Dättwil Switzerland Phone: + 41 58 586 71 21

Slip Ring Motor Fundamentals Brighthub Engineering

One of the main classifiions of Asynchronous motors are the slip ring induction motors.Do you know what happens to slip ring motor when external resistance is added? Also Know about the special constructional features of the rotor. Also appreciate the external resistances and carbon brush arrangements with the slip rings and advantages of slip ring induction motor.

What is the working principle of slip ring induction motor

A slip ring induction motor (a.k.a. wound rotor induction motor) has the main benefit that it is easier to start than a squirrel cage motor. By putting resistance in series with the rotor windings, the starting current can be kept low while mainta

"EXPERIENCE WITH SYNCHRONOUS AND Cimentec

EXPERIENCE WITH SYNCHRONOUS AND SLIP RING INDUCTION MOTORS DRIVING CEMENT MILLS Nathan Schachter, P Eng CIMENTEC Engineering Ltd IEEE Cement Industry 1998 Technical Conference . EXPERIENCE WITH SYNCHRONOUS AND SLIP RING INDUCTION MOTORS DRIVING CEMENT MILLS Table of contents Section Page 1 Abstract 3 2 Introduction 3 3. Ball mill and motor 3 3.1 Ball mill load characteristics 3.2 Motor

ball mill motor drive noncontact ring ZFINAN Heavy Machinery

ball mill motor drive noncontact ring Themillnormally operates at 3150 rpm 1outboardmotor bearing legend2inboardmotorbearing 3inboardmillbearing 4outboardmillbearing bearing that was failing themill rotor bearingswhich are mounted in a steel housing are two 2 cylindrical roller bearings nu 316 ecmc3 and one 1 groovedballbearing skf 6316 c3.

Slip ring Wikipedia

Some other names used for slip ring are collector ring, rotary electrical contact and electrical slip ring. Some people also use the term commutator however, commutators are somewhat different and are specialized for use on DC motors and generators. While commutators are segmented, slip rings are continuous, and the terms are not interchangeable.

Search WEGthreephaseinductionmotorsmasterline

Low and high voltage three phase induction motors M line slip ring rotor Date: 05/30/2019 Code: 14338636/04 Language: English Size: 1 . Three phase induction motors cooled by water jacket used in explosive atmospheres WGM20 line Date: 07/17/2019 Code: 14917349/00 Language: English Size: 13 . W01 Brake Motor Threephase Electric Motor Date: 10/31/2019 Code: 50084261/02

Paper # 25 Copper Mountain Overview on the Grinding

Figure 7 – ABB synchronous motor on Ball Mill 1 The drive requirements for the Copper Mountain mills are as follows: Rated power: 2 x 6340 kW (2 x 8500 hp) SAG mill rated motor speed 204 rpm, max. motor speed 214 rpm Ball mill rated motor speed 195 rpm, max. motor speed 209 rpm Starting torque: 150% for 15 s