How air clutch engage cement mill - arcadriaeu tongli heavy machinery coltd has produced cement mill for over 20yearsover the gear and synchronous motorair clutch devicepiniongearlarge and more info selecting inching drives for mill and kiln.
Both in motor efficiency and in low base speed configurations the synchronous motor has advantages of lower current and higher efficiency. often used in large mills in the cement and mining industry, these motors were driven by lci variable-frequency drives vfds or used with direct start with a clutch system that would synchronize the motor.
Synchronous motor for mill drive advantages. synchronous motors continue to be a viable alternative to induction motors because of efficiency advantages long used for providing leading kvars for pf improvement and helping with the device switching in load commutated inverter lci drives these machines are efficient prime movers for large mill applications both in motor efficiency and in low.
In the inching of a grinding mill or similar apparatus which is driven by a pair of synchronous motors through fluid actuated clutches, ... synchronizing synchronous motors, motors prior to clutch closure ... the apparatus of the invention connects the field supply to both motor fields and then it connects a zero frequency supply i.e. a dc.
Jun 16 2004 i have a synchronous motor coupled to a ball mill by clutch. it starts uncoupled and after it synchronizes the clutch engages the load. 1000 hp synchronous motor. electricpete electrical 1 apr 04 10 46. yes now the motor performs to specifications. it is driving 110 amperes per line at 4160 volts 1.0 pf. light1 electrical get.
Ball mill synchronous motor agrigent.pl. 1000 hp,synchronous motor. i have a synchronous motor coupled to a ball mill by clutch it starts uncoupled and after it synchronizes the clutch engages the load nameplate and other data and parameters are.
Motor rating for ball mill motor rating for ball grinding machine. large synchronous sag and ball mill drive systems ge motors. quadramatictm. ... ball mill drives with synchronous motor and air.
Then, the ball mill is started through the engagement of the clutch. this study focuses on the dynamic behaviours of a ball mill and the dynamic characteristics of the induction motor. ball mill air clutch start - gruppo interforce area jonica. ball mill air clutch start - hsp-jahnke.de. ball mill air clutch.
When using a synchronous motor we recommend having 200 starting torque, 120 to 130 pull-in torque, and 225 pull-out torque. these assume no greater than a 10 voltage drop at the motor terminals. v-belt ball mill drive. v-belt or poly-v drives are generally used on grinding mills consuming 350 hp or less. where power exceeds this, drives.
Mill arrangement 14 61 drive train arrangement 62 drive train efficiency 7 application experiences 15 71 ball mill drives with synchronous motor and air clutchfluid coupling 72 ball mill with slip ring induction motor 8 maintenance and operational issues 18 81 synchronous motor and.
How air clutch engage cement mill - arcadria.eu. tongli heavy machinery co.,ltd has produced cement mill for over 20years.over the gear and synchronous motorair clutch devicepiniongear.large and more info selecting inching drives for mill and kiln.
I have a synchronous motor coupled to a ball mill by clutch. it starts uncoupled and after it synchronizes the clutch engages the load. nameplate and other data and parameters are 1000hp, pf 1.0, 4160v, 60hz, 180 rpm, 60c rise stator, 70c rise rotor, excitation 125v, kva 800, 111 amps armature, 125 v field, exc. amps 158, frame 9404,.
Posts related to ge ball mill clutch grinding mill inching gear allis chalmers ball mill information how do calculate moter h.p require for ball mill ball mill clutches - zcrusher ge ball mill clutch - grinding mill china ball mills are used primary for single stage fine grinding, regrinding, and.
Synchronous motor for mill drive advantages. synchronous motor for mill drive advantages synchronous motors with clutches for mill ball mill drive motor choicesartecall mills the starting.torque restrictions of some of the newer mill drivedriveahp.get price and support online 12 basic motor types used for.industrial electric drives.
Description ball mill, 13 diameter x 21 long, manufactured by allis chalmers svedala, rubber-lined mill, with siemens-allis 2,000 hp, 4000 volt, 200 rpm synchronous motor, eaton airflex.
Prominer provides ball mill rod mill grinding system which is widely used in various types of ores beneficiation electricity cement and chemical industries. it can carry out dry or wet pulverizing and can meet demand for sustainable large-scale production. air clutch system for starting the motor safely alternative synchronous or . get.
Another solution is to use the so-called gearless drive. a cyclo-converter reduces the power frequency and a synchronous motor is either wrapped around shell or mounted on a trunnion extension. this makes the mill essentially a part of a synchronous .motor rotor with the stator in its usual position around the.
Motor drive linear vibrating screen for charcoal. motor drive linear vibrating screen for charcoal. linear vibrating screen is designed with dual-vibration motor drive,two synchronous motors are reversely placed so that the exciter generate reverse excitation force, the exciting force generated by eccentric block cancel each other out on the parallel direction of motor axis,and stack together.
Ball mill, 13 diameter x 21 long, manufactured by allis chalmers svedala, rubber-lined mill, with siemens-allis 2,000 hp, 4000 volt, 200 rpm synchronous motor, eaton airflex clutch includes trommel discharge, ball mill rejects conveyor, lube system, etc offered complete with controls new in 1979. allis chalmers ball mill, 13 x.
Ball mill drives - mineral processing metallurgy. common in australia and africa, the wound-rotor motor also uses a gear system to transmit energy to the mill. it operates at a higher motor speed than the synchronous motor and needs an additional mechanical gear-box to reduce the motor shaft speed to the pinion speed needed to drive the.
I have taken vibration readings with the motor disconnected from the sag mill via an air clutch. yes the vibration amplitude decrease but the 2400 cpm frequency is present. it is believed this is a torsional frequency in the motor.