##tihuan2##8′ x 37′ Allis Chalmers 2 Compartment Ball Mill, Chrome Moly Liners, 900 HP Synchronous Motor. Equip yourself with the gold standard. Manufacture & Design. Diameter: 8′ dia. Length: 37′ long; Compeb Ball …
WhatsApp: +86 18221755073
##tihuan2##Case Study- Application of Asynchronous Low Speed Motors for Mining Ball Mill Application . Mills are often the bottleneck in the beneficiation process rendering their continuous operation critical to a mine. In June 2014, four low speed asynchronous motors were commissioned for two28' ball mills at a copper mine in the United States.
WhatsApp: +86 18221755073
##tihuan2##ABB synchronous motors are renowned for their proven quality and reliability. Robust design ensures reliability through cool operating temperatures and low vibration.
WhatsApp: +86 18221755073
##tihuan2##4.3 Synchronous Motor Salient pole synchronous motors pose another unique set of characteristics. These motors get their rotor excitation from a separate source and can, therefore, operate at synchronous speed. The typical synchronous motor has a speed torque curve shown in Figure 4.
WhatsApp: +86 18221755073
##tihuan2##In the textile and paper industries, synchronous motors with a variable frequency drive system are used for a wide range of speed operations. Power electronic converters that generate very low frequencies allow for the use of synchronous motors in ultra-low-speed applications, such as driving crushers, rotary kilns, and variable-speed ball mills.
WhatsApp: +86 18221755073
##tihuan2##The site is Latin America's largest ball mill operation. Grupo Mexico will use GE's advanced synchronous motor technology to add 84 megawatts (MW) of power at six Buenavista ball mills. Quadramatic motors run at fixed speeds with minimum system losses to promote high efficiency, thus lowering the mine's energy requirements.
WhatsApp: +86 18221755073
##tihuan2##The subject of this paper is a synchronous drive of grinding ball mills 4 MW, 150 rpm, 6 kV, 50 Hz on the base of PWM CSI. The system is installed at the concentrating plant of Norilsknickel in ...
WhatsApp: +86 18221755073
##tihuan2##Two Common Permanent Magnet Energy-Saving Solutions: (1) Permanent magnet direct drive motor to drive pinion instead of asynchronous motor + reducer; the 2 nd type of ball mill which uses a three-phase synchronous motor, can not be replaced by permanent magnet motor;(Ring type direct-drive permanent magnet motor can be used for …
WhatsApp: +86 18221755073
##tihuan2##Buy 15' X 20' (4.6m X 6.1m) Ball Mill W/ 3000 Hp (2237 Kw) Synchronous Motor from A.M. King Industries. Request a quote online today. Used Mining & Processing Equipment - Grinding Mills, Crushers & Process Plants
WhatsApp: +86 18221755073
##tihuan2##Synchronous Motors and Generators provide superior value in terms of proven reliability, low maintenance performance and long life in any application. They can be found wherever there is a demand for highly efficient, cost-effective, dependable machines and can be furnished with adjustable frequency drives for soft starting or speed regulation.
WhatsApp: +86 18221755073
##tihuan2##Purchasing a fixed-speed or variable-speed mill drive requires the speci-fication of several important engineering values: the motor rated output power, motor rated speed and …
WhatsApp: +86 18221755073
##tihuan2##Applications of Synchronous Motors. usually, synchronous motors are used for applications where precise and constant speed is required. Low power applications of these motors include positioning machines. These are also applied in robot actuators. Ball mills, clocks, record player turntables also make use of synchronous motors.
WhatsApp: +86 18221755073
##tihuan2##Synchronous Motors. Synchronous motors can be either high speed motors driving the pinion through a main gearbox (typically 6 or 8 pole motors) or low speed motors …
WhatsApp: +86 18221755073
##tihuan2##Download scientific diagram | Ball mill drive system: (a) traditional drive mode; and (b) SMCPMSM direct drive. from publication: Analysis of Unwinding Stator Module Combined Permanent Magnet ...
WhatsApp: +86 18221755073
##tihuan2##The synchronous motor construction is similar to that of a synchronous generator. A synchronous motor is a type of electric motor that has ... ball mills, steel mills, metal rolling mills, cement mills, rubber and textile mills, centrifugal pumps, air compressors, fans, blowers, line shafts, turn tables, timers, clocks, juicers, tape recorders ...
WhatsApp: +86 18221755073
##tihuan2##Abstract: In the process of selecting a suitable motor for a cement mill, there are several issues to consider that, for the purpose of analysis, can be grouped into two distinct categories. The first category is the technical analysis, which is based on engineering considerations that evaluate the merits of either a synchronous or a slip-ring induction …
WhatsApp: +86 18221755073
##tihuan2##Kollmorgen synchronous motors are high pole count motors that naturally turn at slower speeds (72 or 60 rpm). They only need a resistor – capacitor (RC) network to operate
WhatsApp: +86 18221755073
##tihuan2##Synchronous motors have some disadvantages as well, which are given below −. Synchronous motors are not self-starting. Synchronous motors require DC excitation at the rotor. The construction of a synchronous motor is more complicated than induction motors. Synchronous motors are costlier than induction motors.
WhatsApp: +86 18221755073
##tihuan2##• Marine and offshore: variable speed motors in azimuthing propulsors and shaft line applications • Metals and minerals: rolling mills, hoists, processing lines, semi-autogenous grinding (SAG) mills, ball mills and blowers • Power utilities: pumps, fans and condensers • Pulp and paper: chippers, refiners and grinders
WhatsApp: +86 18221755073
##tihuan2##The majority of large ball mills are powered by AC synchronous motors with fixed stator windings. The motors are electrically connected to the AC supply with a separate source of DC excitation connected to the field winding on the rotating shaft. When it comes time to service the mill an access hatch must be positioned to allow …
WhatsApp: +86 18221755073
##tihuan2##It can be either separately excited or non-excited motor i.e. the former requires a separate DC source energizes the rotor windings and generates a magnetic field while the latter describes a synchronous motor whose rotor is designed to be magnetized by the rotational stator magnetic field and rotates with it.
WhatsApp: +86 18221755073
##tihuan2##Figure 3 - The 24' x 39.5' ball mill Table 4, 5 and 6 include the technical data for the Copper Mountain ball mills. Table 4 - general ball mill data Specification Data Mill size 7.315 M [24 feet] diameter by 12.039 M [39.5 feet] long Mill type Wet grinding, overflow discharge Mill drive motor size 17,000 HP Mill drive motor type ...
WhatsApp: +86 18221755073
##tihuan2##10.5' x 14' Marcy Ball Mill, 800 HP Motor, 4160 Volt, Falk Reducer, Lubrication Systems. Equip yourself with the gold standard. 1-604-534-5313 ... 800 HP GE synchronous motor 4160 Volt; 1200 RPM; Motor starter; Falk parallel shaft reducer Model: 1130YF1-S; Ratio: 4.792; Eaton Airflex 28VC650 clutch;
WhatsApp: +86 18221755073
##tihuan2##Typically, the synchronous motors used in SAG mills have a power higher than 10 MW. Even ball mills have a power larger than 10 MW. For this reason, they have an important impact in energy consumption and in the operation of the power distribution system. Figure 1. Picture of a typical GMD system for a SAG mill Figure 2 presents the power ...
WhatsApp: +86 18221755073
##tihuan2##Buy used Ball-mills from A.M. King Industries. We can help guide you to the best solution for your equipment needs. Contact; Request Quote; Save your ... 15' x 20' (4.6m x 6.1m) Ball Mill w/ 3000 HP (2237 Kw) Synchronous Motor . Manufacturer: OUTOTEC. Location: North America. Inventory ID: 6C-GS03. View Details. HP: …
WhatsApp: +86 18221755073
##tihuan2##The majority of large ball mills are powered by AC synchronous motors with fixed stator windings. The motors are electrically connected to the AC supply with a separate source of DC excitation …
WhatsApp: +86 18221755073
##tihuan2##Synchronous motor: JEC-2130 (2000) Induction motor: JEC-2137 (2000) Rotating electrical machines: IEC 60034 • Overload withstand strength confirms to JEM 1157 (2002) equivalent to NEMA MG1 Motor type • Synchronous motor with salient laminated poles • Squirrel cage rotor induction motor Motor Construction • Top forward, twin drive
WhatsApp: +86 18221755073
##tihuan2##1.Traditional sliding bearings are replaced by double row roller bearings in small and medium size ball mills to reduce energy consuming. 2.Large ball mills adopt pitot pressure or hydrostatic bearings. 3.Air clutch system for starting the motor safely. 4.Alternative synchronous or asynchronous motor
WhatsApp: +86 18221755073
##tihuan2##ZENITH's ball mills are widely used in various types of ores' beneficiation, electricity, cement and chemical industries. With high comminution ratio, it can carry out dry-method or wet-method pulverizing and can meet demand for large-scale production. ... Alternative synchronous or asynchronous motor. Low speed driving unit with lifting ...
WhatsApp: +86 18221755073
0086-21-58386256
Our office time Mon - Sat 10.00AM - 7.00PM Sunday CLOSED
Copyright © 2024.Con All rights reserved.sitemap