MLX Series Gear Box of Cement MillOperating Manual·Transmission device and gear box shall be operated by the personal who is familiar with the operating.Please read the manual carefully before operating.·This gear box has been drained out of oil when delivered from the workshop, therefore,please fuel the oil according to the operating manual.·Please hand over this operating manual to the actual operating personal·Be sure to keep this operating manual in good way.Safety Caution●Before using(installation,operation,maintenance,spot check,etc.),must befamiliar with this operating manual and other subsidiary information and operate correctly.Being familiar with the machine knowledge,safety considerations and matters should be paid attention to and then use it.After reading,it should be in actual use personnel's custody and kept in visible place.●While carrying,setting up,routing the pipes,the machine running,operation,maintenance and inspection,it must be implemented by the personnel with professional knowledge and skills.Otherwise,it may result in injury or damagethe machine.●Set safety protection facilities beside manned unit,to avoid unit’s rapid movingcause human injury and unit damaged●When using the lifting unit,set safety facilities beside it to avoid lifting bodyfalling and cause human injury and unit damaged●During equipments'running,please do not dismantle reducer.In addition,even ifthe equipments stop,the input,output flange of gear unit in connection status with the motor and the other machine,please do not dismantle anything except the checking oil port,oil discharge port,checking cover portion,because it may result in gear meshing offsetting,falling and flying away quickly and other personal injury or damage to the unit.●Do not use it outside the range of the reducer's specifications.It may lead topersonal injury and device damage.●Do not put fingers and objects into the opening of the reducer,which may causeinjury and device damage.●Do not use the damaged reducer,which may cause injury and device damage.●The product transformation by customer privately is outside the scope of thecompany's quality assurance,which our company is not responsible for.●Do not remove the nameplate.●Please refer to the instructions of the oil station for the usage of gearbox oftakeout oil station and oil station.ContentsⅠ.OverviewⅡ.Performance Parameter1．Operational Environment2．Product SpecificationsⅢ．Receiving Inspection1．Precautions2．Inspection RequirementsⅣ.Lifting、Carriage and Preservation1．Lifting2．Carriage3．PreservationⅤ．Installation and Alignment1．Precautions of Installation2．Foundation3．AlignmentⅥ．Records of Field installation，Adjustment and Test RunⅦ.Operation and Maintenance of Reduction Gearbox1．Start2．Shut-down3．MaintenanceⅧ.Regular CheckingⅨ.Precautions of Dismounting and Assembling of Reduction Gearbox 1．Dismounting2．Checking3.AssemblingⅠ.OverviewThe speed reducer gearbox for MLX(1)50series vertical grinding mills adopts the joint transmission with cone gear pair,gear pair with parallel axes and planetary gear pair.A pair of orthogonal transmission cone gear pair,a gear pair with parallel axes and a set of input shaft for vertical planetary gear transmission;they are connected by pairs of gear coupling.The sun wheel is supported on the thrust block. The vertical mill’s axial bearing is supported by12fan-shaped tilting tile thrust bearing.The two degrees of freedom make internal gear ring and three planetary wheels bear force evenly.The inner gear ring is rigidly fixed on the box body,which, designed into cylinder housing shape,provides an ideal support form for the axial thrust bearing.Besides,the inside and outside walls of cylinder casing are configured with symmetrical reinforcement,thus the body has very good rigidity.The0utput shaft and planet carrier become integrated,making the instructor simple and reasonable.The cone gear adopts Klingelnberg style spiral gear.The parallel shaft gear pair, the sun wheel,and the planet wheel are involute straight tooth.These gears adopt high strength carburized steel,witch,after carburized gear-grinding,are of high precision.All the supporting bearings of the speed reducer gearbox are rolling bearings. The axial thrust bearings are tilting tile thrust bearings.Consisting of several piece of fan bearing shell,they bear the axial thrust of vertical grinding mill.During operation, the bearing bushing is always soaked in the oil tank and constantly offered with fresh lubrication oil through the ring nozzle.So the oil tank always maintains a certain level.Lubricating oil system uses independent stations.And there is oil pressure,oil temperature automatic protection system,making the operation of the whole equipment safe and reliable.Ⅱ.Performance Parameter1.Operational EnvironmentAmbient temperature:－20℃～＋40℃Ambient humidity:Below85%Air environment:there should be no corrosive gas,explosive gas and steam,etc.there should be no dust either,and the ventilation should be good.-If the installation is in an environment violating the above requirements,it belongs to special order.Please contact with us.-When making the order,if it is pointed out that the equipment will be installed outdoor and explosion-proof,and everything follows the requirements,the installation under certain circumstance is without problem.-The operation should be in a place where the inspection and maintenance,etc.are easy to do.-It should be installed on the platform with good rigidity.2.Product Specifications(For the detail,please refer to the drawing)Ⅲ．Receiving Inspection1.PrecautionsOpen the box after you check the above and below.Do not let it hurt others.Check whether the goods you received is the same as you ordered.If you installed the wrong product,this might bring damage to people or the machine.Do not remove the nameplate.2.Inspection requirementsAs for the driving device and the reducer,you should check the following items.If there are any problems,please contact our representatives,our own store or office which is nearest to you.(1)Whether what is written on the nameplate is the same as what you ordered.(2)Whether there is any damage in transit.(3)Whether the bolts and nuts becomes flexible.Ⅳ.Lifting、Carriage and Preservation1．Lifting·Please do not stand under the goods to prevent from the safe accident when lifting.·Please pay attention to the lifting position and lift as shown in the illustration lightly.·Pay attention to the risk of falling and reversion when e lifting bolts and lifting hole to lift the actuating unit or gear box.But after they are installed in the equipment,so not use lifting bolts or lifting hole to lift the whole equipment.Because falling,inversion or lifting bolts and holes’damage will lead injury or equipment damaged.·Weight of the driving device and the reducer shall be confirmed according to the nameplate,case,outside view and the sample before lifting.And if it is beyond the rated weight,the lifting shall be not allowed to prevent from the accident.Notice：Lifting directly by the output flange is definitely not allowed2．Carriage·Lubricating oil in the gears box shallbe eliminated before the carriage.·Gears box shall be fixed reliably.·Measures to protect from wind,rainand moisture shall be taken.·Place it directly on the ground is notallowed3．PreservationWhen the driving device or the reducer doesn’t work immediately,they shall bekept according to the matters detailed as below.1）Preservation place·The place shall be clean and dry.The outdoor environment is not OK,also with the moisture,dust,temperature variation and corrosive gas.·The input and output shaft must be applied by the slushing oil·the lubricating oil after resolved shall be wrapped by the plastic to prevent from the other things.·The wind,rain,moisture-proof measures shall be taken in the preservation.·Place it directly on the ground is not allowed.2）Preservation period·Preservation period shall be in the period of the rust protection as below·Please kindly contact us while the special rust protection specification is necessary when the preservation period is longer than the period of the rust protection as below·Pleas kindly contact us if the export products need the rust protection specification based on the export.·standard rust protection specifications1External rust protectionThe reducer has been coated with rust protection oil for delivery.Therust protection condition shall be checked in the period of6months.And the rust protection measure shall be done when necessary.2Internal rust protectionRust protection period6monthsPreservation requirement The environment without moisture,dust,bigtemperature change and corrosive gas is OK.Thegoods usually be kept in the warehouse or theindoor factory3）Use after the preservation·The oil seal shall be checked whether to be changed while it is influenced by the environment outside such as temperature and ultraviolet rays.So every time inspecting is necessary to change a new one for a long storage.·If the abnormal phenomenon appears,please contact with the agency,sales or business shop promptly.At the same time you shall inspect whether the voice, vibration or fever appears when start running.Ⅴ．Installation and Alignment1．Precautions of InstallationDo not use the machine in explosive atmosphere.Please use anti-explosion motor;otherwise it might lead to explosion,ignite,electric shock,human injuries fire, or damage to the machine.If you adopt anti-explosion motor,please choose the right model that suit the environment(there is gas or explosive atmosphere).Otherwise,otherwise it might lead to explosion,fire electric shock,human injuries and fire.There must be nothing inflammable near the driving device;otherwise,it might cause fire.Do not put anything that will block the airflow near the driving device and reducer,otherwise,it will result in bad cooling,overheat or fire.Do not step on the driving device or reducer,otherwise,it might lead to human injuries or damage to the machine.2.FoundationThe reduction gearbox must be put on the foundation that has good rigidity,no vibration and is even.For example,the reducer can be put on the foundation frame that has a mechanically processed carrying plane,and the foundation frame should beconnected with concrete foundation.After alignment,the reducer box center should be positioned by the taper pin and then use the bolts to connect it with the foundation frame.3．Alignment1）Alignment of the motor and the reducer.The main shaft connects reduction gearbox and main motor must be in the same line with shaft of motor in the operation.In order to meet this need,axial horizon and vertical running must use special measuring device to measure.Specifically as shown below:Coupling type Radical running Axial running（R=200）Rigid coupling0.030.02Flexible coupling0.080.08If R>200mm，the axial running value can increase accordingly2）Installation and alignment of reducer box and grinding mill installation.·Before connecting to other machine please confirm the direction.Or the equipment will be damaged resulting from the wrong direction.·Never put too much impact pressure or too high loader because this will lead the damage to the bearing and rid of the lantern ring.·The installation of the reduction gearbox and the grinding mill must be right and careful.Disc and the thrust axis must be cleaned and not any stain should be left. The mouth size of the disc and the thrust axis unit’s connection must be measured and have detailed records.The connection between the disc and the thrust axis table bolts must be tightened.The thrust axis units connected to the disc cannot be deformed or distorted.The thrust axis station’s axial running tolerance cannot exceed0.13mm.3）Reducer installation and connection of the high and low pressure lubrication oil station:Reduction gearbox with high and low pressure lubrication oil station installation work must be properly detailed.Allocate pipe according to the scene.Low pressure oil outlet end of lubrication oil station and the inlet oil tube of the reduction gear box must be connected by steel pipe.All the16high oil pressure of the oil station outlet16tubes should be connected to the16high pressure sliding bearings of the reduction gear box.Please pay particular attention to:as there are4high pressure oil pump on the oil station,every high pressure pump leads4high pressure oil tubes, when connecting to gearbox,the four pumps’oil-out and gearbox’oil-inlet must be cross and linked uniformly.During the installation of the mill and gear box or in any other case,if the lubrication system does not work,never allow gearbox slowly rotate or jigger.Note that that the reducer box cannot reversion work.Ⅵ．Records of Field installation，Adjustment and Test Run1.Type of reduction gearbox2.Factory Number of reduction gearbox3.Specifications and models of grinding mills4.Specification,model,the power,speed,voltage,current of main drive motors5.Driving direction(From the main motor)6.Detailed record should be done in the process of alignment during installation,·Result record of alignment between reduction gearbox and the motor.·Result record of alignment between reduction gearbox and the grinding mill.7.Run-in testing recordStart work time：Year Month DayRun down time：Year Month DayGrinding mill load：Running time：No.Drivetimeyear-month-dayStopping timeyear-month-dayHostload（T）Motorstatorvoltage（V）Motorstatorstartingcurrent(A)Motorstatorworkingcurrent（A）Temp(。