备件 10.7 标准件 10.7 标准件 表格 10- 1 请根据尺寸、材料和表面规格自由订购标准件 编号 标准 图片 编号 标准 图片 6.02 DIN 471 6.75 EN ISO 4026 GB/T 894.1 GB 77-85 4.04 DIN 580 5.55 EN ISO 4032 GB 825 GB/T6170-2000 1.60 DIN 625 4.39 EN ISO 4017 6.10 5.60...
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1LE8 shaft heights 80 ... 355 Introduction Safety information SIMOTICS Description Preparing for use Low-voltage motors 1LE8 shaft heights 80 ... 355 Assembly Electrical connection Operating Instructions Commissioning Operation Maintenance Spare parts Disposal Service & support Technical specification Quality documents 1LE8 轴高...
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Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
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Table of contents Introduction ............................137 About these instructions ..................... 137 Compiling personal documents ................... 137 Safety information ..........................139 Information for those responsible for the plant or system ........... 139 The 5 safety rules ....................... 139 Qualified personnel ......................140 Safe handling ........................
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Table of contents Transport and storage ......................154 4.5.1 Safety instructions for transport ..................154 4.5.1.1 Types of construction on the rating plate ................156 4.5.2 Transport ........................... 157 4.5.3 Storage ..........................157 4.5.4 Securing the rotor ......................159 4.5.5 Commissioning after storage .....................
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Table of contents 5.5.2.1 Selecting bolts ........................180 5.5.2.2 Horizontal types of construction with mounting feet ............181 5.5.2.3 Horizontal types of construction with flange ..............181 5.5.2.4 Vertical types of construction with flange ................182 5.5.3 Removing the rotor shipping brace ..................182 5.5.4 Recommended alignment accuracy ..................
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Table of contents 8.1.1 Safety instructions in operation - anti-condensation heating ..........212 8.1.2 Safety instructions relating to ventilation ................212 8.1.2.1 Safety instructions for forced ventilation (option) ............... 212 8.1.2.2 Safety instructions when operating motors with fan ............212 8.1.2.3 Motors with fan for the textile industry ................
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Table of contents 9.3.5 Tightening torques ......................233 9.3.6 Screw lock washers ......................233 9.3.7 Links ..........................234 9.3.8 Reassembly: Miscellaneous information ................234 9.3.9 Optional add-on units ...................... 234 9.3.10 O-ring seal ........................234 Spare parts ............................235 10.1 Parts order ........................
Introduction About these instructions These instructions describe the motor and explain how to handle it, from initial delivery to final disposal of the equipment. Keep these instructions for later use. Read these operating instructions before you handle the motor and follow the instructions to become familiar with its design and operating principles and thus ensure safe, problem-free motor operation and long service life.
Safety information Information for those responsible for the plant or system This electric machine has been designed and built in accordance with the specifications contained in Directive 2014/35/EU ("Low-Voltage Directive") and is intended for use in industrial plants. Please observe the country-specific regulations when using the electric machine outside the European Community.
Safety information 2.3 Qualified personnel Qualified personnel All work at the motor must be carried out by qualified personnel only. For the purpose of this documentation, qualified personnel is taken to mean people who fulfill the following requirements: • Through appropriate training and experience, they are able to recognize and avoid risks and potential dangers in their particular field of activity.
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Safety information 2.4 Safe handling Risk of burns due to hot surfaces Individual motor parts can become hot in operation. Burns can result when coming into contact with these parts. • Never touch motor parts during operation. • Allow the motor to cool before starting work on the motor. •...
Safety information 2.5 Electrostatic sensitive devices Electrical power equipment generate electromagnetic fields during operation. Potentially lethal malfunctions can occur in medical implants, e.g. pacemakers, in the vicinity of electrical power equipment. Data may be lost on magnetic or electronic data carriers. •...
Safety information 2.6 Electromagnetic compatibility The ESD protective measures required for components that can be destroyed due to electrostatic discharge are shown in the following drawings: a = conductive floor sur- b = ESD table c = ESD shoes face d = ESD overall e = ESD wristband f = cabinet ground connection...
Safety information 2.9 Interference voltages when operating the converter Interference voltages when operating the converter When a converter is in operation, the emitted interference varies in strength depending on the converter (manufacturer, type, interference suppression measures undertaken). On motors with integrated sensors (e.g. PTC thermistors), interference voltages caused by the converter may occur on the sensor lead.
Description Area of application The rotating electrical motors of this series are used as industrial drives. They are designed for a wide range of drive applications both for line operation as well as in conjunction with frequency converters. They are characterized by their high power density, extreme robustness, long service life and outstanding reliability.
Description 3.2 Rating plate Operating a machine with a converter Implement all machines of the overall machine-converter system according to UL-File E227215 assuming that the machines are only to be operated with a converter and are supplied with UL certificate. The company operating the equipment is responsible for implementing this in the actual application.
Description 3.3 Installation Installation 3.3.1 Motor design Machines of this series are low-voltage three-phase induction drives with a cylindrical shaft extension and keyway. They can be supplied as single-speed machines with different efficiency classes or as pole changing machines for several speeds. In the case of machines with feet (IM B3 type of construction), the feet are cast or bolted on.
Description 3.3 Installation 3.3.3 Cooling and ventilation The motors of this series have a closed primary (internal) cooling circuit and an open secondary cooling circuit (surface cooling). The surface cooling varies depending on the version. 3.3.3.1 Motors with a fan Self-ventilation (standard): Cooling method IC 411 according to EN / IEC 60034-6 Located at the ND end of the stator housing is an air intake cowl that guides the external air on its way to the motor.
Description 3.3 Installation 3.3.3.2 Motors without a fan (optional) Surface cooling by free convection: Cooling method IC 410 according to EN / IEC 60034-6 Surface cooling by relative movement of cooling air: Cooling method IC 418 according to EN / IEC 60034-6 3.3.4 Bearings To support the motor shaft and maintain its position in the non-moving part of the motor, DE...
Description 3.3 Installation 3.3.6 Types of construction/method of installation The type of construction of the motor is stated on the rating plate. Table 3- 2 Type of construction Basic type of construc- Diagram Other methods of Diagram tion code installation IM B3 (IM 1001) IM V5 (IM 1011) IM V6 (IM 1031)
Description 3.3 Installation 3.3.7 Degree of protection The motor has a type of protection as stamped on the rating plate, and can be installed in dusty or humid environments. 3.3.8 Environmental conditions Limit values for the standard version Relative humidity for ambient temperature T Max.
Description 3.3 Installation Supplementary devices Depending on the order, various supplementary devices can be installed or mounted. These include sensors for bearing temperature monitoring or winding monitoring, for example. 3.3.10 Paint finish The machine is painted according to the instructions in your order. 1LE8 轴高...
Preparing for use Good planning and preparation of motor applications are essential in terms of keeping installation simple and avoiding errors, ensuring safe operation, and allowing access to the motor for servicing and corrective maintenance. This chapter outlines what you need to consider when engineering/configuring your plant in relation to this motor and the preparations you need to make before the motor is delivered.
The drive systems are put together on an individual basis. When you take receipt of the delivery, please check immediately whether the items delivered are in accordance with the accompanying documents. Siemens will not accept any claims relating to items missing from the delivery and which are submitted at a later date.
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Preparing for use 4.5 Transport and storage Danger when incorrectly lifting and transporting Danger of death, serious injury, or substantial material damage caused by tipping or falling transported goods. Comply with the following safety instructions: • All work must be performed with due caution and care. •...
Preparing for use 4.5 Transport and storage Danger when incorrectly lifting and transporting The motor can slide or topple over if it is not correctly lifted or transported. This can result in death, serious injury or material damage. • Use all the lifting eyes on the motor. •...
Preparing for use 4.5 Transport and storage 4.5.2 Transport If any transport locks are in place, remove them before commissioning. Store the transport locks or disable them. Use the transport locks when transporting the motors again or reactivate the transport locks. The motors are packed in different ways depending on how they are transported and their size.
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Preparing for use 4.5 Transport and storage Bare metal surfaces For transport, the bare surfaces (shaft extensions, flange surfaces, centering edges) should be coated with an anti-corrosion agent which will last for a limited amount of time (<6 months). Apply suitable anti-corrosion measures for longer storage times. Condensation drain hole Open any condensation drain holes to drain the condensation depending on the environmental conditions, every six months at the latest.
Preparing for use 4.5 Transport and storage 4.5.4 Securing the rotor Depending on the version, the motor is fitted with a rotor shipping brace. This protects the bearings against damage due to shock and vibration during transport or storage. NOTICE Motor damage due to vibrations Not using the rotor shipping brace can cause damage to the motor if it is jolted during transport or storage.
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Preparing for use 4.5 Transport and storage Alternative rotor bracing • If you transport the motor after the output element has been pulled on, then you must axially fix the rotor in another way. ① Sleeve ② Shaft screw and washer Figure 4-1 Axial fastening of the rotor Thread in the shaft extension...
Preparing for use 4.5 Transport and storage 4.5.5 Commissioning after storage 4.5.5.1 Insulation resistance and polarization index Measuring the insulation resistance and polarization index (PI) provides information on the condition of the motor. It is therefore important to check the insulation resistance and the polarization index at the following times: •...
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Preparing for use 4.6 Ensure adequate cooling Ensure adequate cooling WARNING Overheating and failure of the motor Death, severe injury or material damage can occur if you do not carefully observe the following points. • Do not obstruct ventilation. • Prevent the air expelled by neighboring equipment from being immediately sucked in again.
Preparing for use 4.6 Ensure adequate cooling 4.6.1 Interlock circuit for the separately driven fan For motors with separately driven fan, design a circuit that prevents the main motor being switched on if the separately driven fan is not operational. Table 4- 1 Air guidance Incorrect...
Preparing for use 4.7 Interlock circuit for anti-condensation heating Table 4- 2 Minimum dimension "x" for the distance between adjacent modules and the air intake of the motor Shaft height 80 ... 100 180 ... 200 225 ... 250 280 ... 315 Interlock circuit for anti-condensation heating If the anti-condensation heating is operated while the motor is running, this can increase the temperatures inside the motor.
Preparing for use 4.9 Voltage and frequency fluctuations during line operation Voltage and frequency fluctuations during line operation Unless otherwise stated on the rating plate, the permissible voltage/frequency fluctuation corresponds to Zone B in IEC / EN 60034-1. Permissible fluctuations that go beyond this are indicated on the rating plate –...
Preparing for use 4.12 Electromagnetic compatibility 4.12 Electromagnetic compatibility Note If the torque levels are very unequal (e.g. when a reciprocating compressor is being driven), a non-sinusoidal motor current will be induced whose harmonics can have an impermissible effect on the supply system and cause impermissible interference emissions as a result. Note Converter •...
Preparing for use 4.13 Converter operation 4.13 Converter operation 4.13.1 Parameterizing the converter • If the design of the motor requires connection to a particular converter type, the rating plate will contain corresponding additional information. • Correctly parameterize the converter. Parameterizing data can be taken from the machine rating plates.
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Preparing for use 4.13 Converter operation 4.13.3 Reducing bearing currents Taking the following actions will reduce the bearing currents: • Ensure that the contacts are made over a large area. Solid copper cables are not suitable for high-frequency grounding because of the skin effect. •...
• In the overall system, set up a properly meshed grounding system with low impedance. • Use the common-mode filter (damping cores) at the converter output. The Siemens sales representative is responsible for selection and dimensioning.
Preparing for use 4.13 Converter operation If you connect two motors in series in "tandem operation", install an insulated coupling between the motors. ① Driven machine ④ Insulated bearings ② Motor ⑤ Insulated tachometer fitting ③ Coupling ⑥ Insulated coupling Figure 4-3 Schematic representation of a tandem drive NOTICE...
Assembly Observe the following when carrying out any work on the motor: • Comply with the general safety instructions (Page 139). • Comply with the applicable national and sector-specific regulations. • When using the motor within the European Union, comply with the specifications laid down in EN 50110-1 regarding safe operation of electrical equipment.
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Assembly 5.2 Preparing for installation Loss of conformity with European directives In the delivery state, the motor corresponds to the requirements of the European directives. Unauthorized changes or modifications to the motor lead to the loss of conformity with European Directives and the loss of the associated warranty. Preparing for installation 5.2.1 Requirements for installation...
Assembly 5.2 Preparing for installation 5.2.2 Insulation resistance 5.2.2.1 Insulation resistance and polarization index Measuring the insulation resistance and polarization index (PI) provides information on the condition of the motor. It is therefore important to check the insulation resistance and the polarization index at the following times: •...
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Assembly 5.2 Preparing for installation Measure the insulation resistance 1. Follow the instructions in the Operating Manual of the insulation measuring instrument used. 2. Ground other windings, integrated winding temperature sensors and, if applicable, other mounted and installed components. 3. If power cables are connected, ensure that a line voltage cannot be applied. If no power cables are connected, this reduces the effect of the I/O devices on the measurement.
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Assembly 5.2 Preparing for installation Conversion to the reference temperature When measuring at winding temperatures other than 40 °C, convert the measured value to the reference temperature of 40 °C according to the following equations from IEC 60034-27- 4 and IEEE 43-2000. Insulation resistance converted to 40 °C reference temperature ·...
Assembly 5.3 Installing the motor NOTICE Damage to insulation If the critical insulation resistance is reached or undershot, this can damage the insulation and cause voltage flashovers. • Contact the service center. • If the measured value is close to the critical value, you must subsequently check the insulation resistance at shorter intervals.
Assembly 5.3 Installing the motor 5.3.3 Motors with type of construction IM B15, IM B9, IM V8 and IM V9 Types of construction without bearings on the drive side These motors do not have their own bearing system for the motor shaft at the drive end (DE). The motor shaft is accepted by the (hollow) shaft or coupling of the system or driven machine.
Assembly 5.4 Aligning and fixing the motor Aligning and fixing the motor Observe the following when aligning and mounting: • Ensure a flat and uniform contact surface for foot and flange mounting. • When mounting on the wall, support the motor from below, e.g. using a bracket, or bolt •...
Assembly 5.4 Aligning and fixing the motor • Smooth running Preconditions for smooth, vibration-free operation according to DIN 4024: – Stable foundation design free of any shock or vibration – Precise alignment of the coupling – A balanced output element (coupling, belt pulley, fan, ...) Maintain the maximum permissible vibration amplitude levels in operation according to ISO 10816-3.
Assembly 5.5 Installing the motor Installing the motor 5.5.1 Preconditions for smooth, vibration-free operation Preconditions for smooth, vibration-free operation: • Stable foundation design • Precise alignment of the motor • Correct balancing of parts to be fitted to the shaft extension •...
Assembly 5.5 Installing the motor 5.5.2.2 Horizontal types of construction with mounting feet 1. Refer to any instructions for aligning the driven machine and those of the coupling manufacturer. 2. Align the motors with coupling output to the driven machine in such a manner that the center lines of the shafts are parallel with no offset.
Assembly 5.5 Installing the motor 5.5.2.4 Vertical types of construction with flange The standard flange is provided with a centering. The choice of fit for the mating flange on the driven machine is the system manufacturer's or the plant operator's responsibility. If the motor is not fitted with a standard flange, align the motor to suit the driven machine.
Assembly 5.5 Installing the motor 5.5.5 Mounting the drive output elements The rotor is dynamically balanced. For shaft extensions with feather keys, the type of balancing is specified using the following coding on the face of the drive end of the shaft extension and on the rating plate: •...
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Assembly 5.5 Installing the motor Pulling on drive output elements • Requirements: – The coupling and/or the drive output element must be appropriately dimensioned for the operating case at hand. – Observe the coupling manufacturer's instructions. – Make sure that the balancing type of the drive output element correctly matches the type of balance of the rotor.
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Assembly 5.5 Installing the motor Shaft extensions with feather key The feather key data for the shaft and drive output element must match and indicate the correct type of balancing. The drive output element must be correctly mounted. The balance quality corresponds to vibration severity grade "A" for the complete motor; vibration severity grade "B"...
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Assembly 5.5 Installing the motor 1LE8 轴高 80 ... 355 操作说明, 11/2022, A5E52373573A...
Electrical connection Safety instructions for the electrical connection Observe the following when carrying out any work on the motor: • Comply with the general safety instructions (Page 139). • Comply with the applicable national and sector-specific regulations. • When using the motor within the European Union, comply with the specifications laid down in EN 50110-1 regarding safe operation of electrical equipment.
Electrical connection 6.2 Connecting the motor Note Service Center If you require support when electrically connecting up the motor, please contact the Service Center (Page 247). Connecting the motor 6.2.1 Selecting cables Take the following criteria into account when selecting the connecting cables: •...
Electrical connection 6.2 Connecting the motor 6.2.2 Terminal box DANGER Hazardous voltage Electric motors have high voltages. When incorrectly handled, this can result in death or severe injury. Switch off the motor so that it is in a no-voltage condition before you open the terminal box.
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Electrical connection 6.2 Connecting the motor Three bi-wire PT100 15th digit is H Six bi-wire PT100 15th digit is J Three tri-wire PT100 15th digit is Q Six tri-wire PT100 15th digit is R 1LE8 轴高 80 ... 355 操作说明, 11/2022, A5E52373573A...
Electrical connection 6.2 Connecting the motor Motors which are exposed to a wide temperature fluctuation environment are susceptible to condensation formation, hence it is strongly recommended to add a anti-condensation heater (option code: Q04). The terminal for the DE heater is 1HE1-1HE2. WARNING The space heater must never be energized during motor operation.
Electrical connection 6.2 Connecting the motor 6.2.2.4 Terminal marking According to IEC / EN 60034-8, the following basic definitions apply to the terminal markings for 3-phase motors: Table 6- 2 Terminal markings using the 1U1-1 as an example 1 Marking Code for split winding, where applicable.
Electrical connection 6.2 Connecting the motor 6.2.2.6 Connecting protruding cables In the case of connection cables brought out of the motor, no terminal board is installed on the terminal base of the motor housing. The connection cables are directly connected to stator winding terminals at the factory.
Electrical connection 6.3 Tightening torques 6.2.3 Screw-type connections with connecting thread Cable glands with connecting thread in the terminal box (EN 50262) ② O ring Tightening torques Note the information in Chapter "Tightening torques (Page 149)". 6.3.1 Glands, sealing plugs and thread adapters Note the following when mounting: •...
Electrical connection 6.4 Connecting the grounding conductor 6.4.1 Minimum surface area of grounding conductor Table 6- 4 Minimum cross-sectional area of grounding conductor Minimum cross-section of the phase conductor Minimum cross-section of the associated for installation S grounding connection [mm²] [mm²] S ≤...
Electrical connection 6.5 Connecting the temperature sensor/anti-condensation heater External ground terminal When making connections, ensure the following: • Ensure that the connecting surface is bare and is protected against corrosion using a suitable substance, e.g. acid-free Vaseline. • Position the cable lug between the contact bracket and the grounding bracket; do not remove the contact bracket pressed into the enclosure! •...
Electrical connection 6.6 Motor connection Motor connection Cross-sections that can be connected depending on the size of the terminal (possibly reduced due to size of cable entries) Table 6- 5 Max. conductor connection Shaft height Max. connectable conductor cross-section [mm²] 6.6.1 Connecting aluminum conductors If you are using aluminum conductors, then comply with the following:...
Electrical connection 6.7 Connecting converters Connecting converters NOTICE Material damage caused by an excessively high supply voltage Material damage can occur if the supply voltage is too high for the insulation system. • Observe the values in the following tables. SIMOTICS machines can be operated with SINAMICS G converters and SINAMICS S converters (uncontrolled and controlled infeed) when maintaining the permissible peak voltages.
Electrical connection 6.8 Final checks Final checks Before closing the terminal box/terminal base of the motor enclosure, check the following: • Establish the electrical connections in the terminal box in accordance with the information in this documentation. • Maintain the air clearances between non-insulated parts as described in Chapter "Minimum air clearances (Page 193)".
Commissioning Observe the following when carrying out any work on the motor: • Comply with the general safety instructions (Page 139). • Comply with the applicable national and sector-specific regulations. • When using the motor within the European Union, comply with the specifications laid down in EN 50110-1 regarding safe operation of electrical equipment.
Commissioning 7.1 Measures before commissioning • All touch protection measures for both moving and live parts have been implemented. • Screwed-in lifting eyes are removed after installation or secured to prevent them from becoming loose. See also Tightening torques for screw and bolt connections (Page 121) •...
Commissioning 7.1 Measures before commissioning • Correctly connect possibly available motor monitoring devices and equipment - and carefully ensure that they are functioning correctly. • Check the correct functioning of the brakes or backstops. • Set the values for "Alarm" and "Shutdown" at the monitoring devices. •...
Commissioning 7.1 Measures before commissioning 7.1.5 Testing the cooling of the motor Check that the motor cooling is available for commissioning. See also Preparing for use (Page 153) 7.1.6 Commissioning a separately driven fan The separately driven fan ensures that the motor is cooled irrespective of the motor speed or direction of rotation.
Commissioning 7.1 Measures before commissioning 7.1.7 Further documents Note Further documents Observe all of the other documents provided with this motor. 7.1.8 Setpoint values for monitoring the bearing temperature Prior to commissioning If the motor is equipped with bearing thermometers, set the temperature value for disconnection on the monitoring equipment before the first motor run.
Commissioning 7.2 Switching on Switching on Measures for start-up After installation or inspections, the following measures are recommended for normal start- up of the motors: • Start the motor without a load. To do this, close the circuit breaker and do not switch the motor off prematurely.
Commissioning 7.2 Switching on 7.2.1 Test run After installation or inspection, carry out a test run: 1. Start up the motor without a load. To do this, close the circuit breaker and do not switch off prematurely. Check whether it is running smoothly. Switching the motor off again while it is starting up and still running at slow speed should be kept to a bare minimum, for example for checking the direction of rotation or for checking in general.
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Commissioning 7.2 Switching on 4. During the test run, check and document the following: – Check whether it is running smoothly. – Document the voltage, current and power values. As far as possible, document the corresponding values of the driven machine. –...
Operation Observe the following when carrying out any work on the motor: • Comply with the general safety instructions. • Comply with the applicable national and sector-specific regulations. • When using the motor within the European Union, comply with the specifications laid down in EN 50110-1 regarding safe operation of electrical equipment.
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Operation 8.1 Safety instructions for operation Danger as a result of stationary parts under voltage (live parts) Live parts represent a hazard. Touch protection against active (live) parts is no longer guaranteed if covers are removed. The minimum air and creepage distances may be fallen below (violated) when coming close to active parts.
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Operation 8.1 Safety instructions for operation Risk of burn injuries as a result of hot surfaces Individual motor parts can become hot in operation. Burns can result when coming into contact with these parts. • Never touch motor parts during operation. •...
Operation 8.1 Safety instructions for operation 8.1.1 Safety instructions in operation - anti-condensation heating Overheating as a result of the anti-condensation heating If the anti-condensation heating is operated while the motor is operational, this can increase the temperatures inside the motor and cause material damage. •...
Operation 8.2 Switching on the motor 8.1.2.3 Motors with fan for the textile industry In order to guarantee an essentially unobstructed flow of cooling air containing fluff, remains of materials or similar dirt, motors used in the textile industry have a larger air discharge cross-section between the edge of the cover and the cooling ribs of the motor frame.
Operation 8.5 Switching on again after an emergency switching-off Switching on again after an emergency switching-off • Check the motor before recommissioning the driven machine after an Emergency Off. • Eliminate all the causes that have led to the emergency off Stoppages The stoppage is a shutdown for a period of time, during which the motor is stopped but remains at the location of use.
Operation 8.6 Stoppages Lubricating before recommissioning NOTICE Dry running bearings Bearings can be damaged if they do not have sufficient grease. • Re-grease the bearings if they have been out of service for more than one year. The shaft must rotate so that the grease can be distributed in the bearings. Follow the instructions on the lubricant plate.
Operation 8.7 Faults Faults 8.7.1 Inspections in the event of faults Natural disasters or unusual operating conditions, such as overloading or short circuit, are faults that overload the motor electrically or mechanically. Immediately perform an inspection after such faults. Correct the cause of the fault as described in the respective remedial measures section. Repair any damage to the motor.
Operation 8.7 Faults 8.7.3 Mechanical faults Table 8- 2 Mechanical faults ↓ Grinding noise ↓ Radial vibrations ↓ Axial vibrations Possible causes of faults Remedial measures Rotating parts grind Establish the cause and realign the parts. Rotor or coupling not balanced. Disconnect the rotor or coupling and rebalance.
Operation 8.7 Faults 8.7.4 Rolling bearing faults Damage to rolling bearings can be difficult to detect in some cases. If in doubt, replace the rolling bearing. Use other bearing designs only after consulting the manufacturer. Table 8- 3 Rolling bearing faults ↓...
Maintenance Through careful and regular maintenance, inspections, and overhauls you can detect faults at an early stage and resolve them. This means that you can avoid consequential damage. Operating conditions and characteristics can vary widely. For this reason, only general maintenance intervals can be specified here.
Maintenance 9.2 Inspection and maintenance 9.1.2 Customs union Eurasia (optional) When making changes or repairs, maintain the corresponding design standards. These machines are labeled on the rating plate with the following markings. Customs union Eurasia Eurasian customs union 9.1.3 Touch up any damaged paintwork If the paint is damaged, it must be repaired in order to protect the unit against corrosion.
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Maintenance 9.2 Inspection and maintenance Risk of injury due to rotating parts Rotating parts are dangerous. Touch protection against rotating parts is no longer guaranteed if covers are removed. Touching rotating parts can result in death, serious injury or material damage.
Maintenance 9.2 Inspection and maintenance 9.2.2 Inspections in the event of faults Natural disasters or unusual operating conditions, such as overloading or short circuit, are faults that overload the motor electrically or mechanically. Immediately perform an inspection after such faults. Note Inspection specifications •...
Maintenance 9.2 Inspection and maintenance 9.2.4 General inspection Check that the installation conditions are observed. We recommend that the following checks are performed after approx. 16 000 operating hours or at the latest after two years: Table 9- 2 Checks that have to be performed during the general inspection Checking When the At stand-...
Maintenance 9.2 Inspection and maintenance 9.2.6 Maintenance intervals Please note the following in order to identify faults at an early stage, rectify them and avoid follow-on damage: • Maintain the motor regularly and carefully. • Inspect the motor. • Motors must be allocated a revision/inspection number after inspection. NOTICE Motor failure Material damage can occur if the motor develops faults or is overloaded.
Maintenance 9.2 Inspection and maintenance 9.2.7 Re-greasing For motors with regreasing system, relubrication intervals, grease quantity and grease grade are provided on the lubricant plate. Additional data can be taken from the main motor rating plate. Grade of grease for standard motors (IP55) UNIREX N3 - ESSO. Note It is not permissible to mix different types of grease.
Maintenance 9.2 Inspection and maintenance Cleaning the cooling air ducts Regularly clean the cooling air ducts through which the ambient air flows. The frequency of the cleaning intervals depends on the local degree of fouling. Damage to the motor when cleaning with compressed air or water jets •...
Maintenance 9.2 Inspection and maintenance 9.2.11 Insulation resistance and polarization index Measuring the insulation resistance and polarization index (PI) provides information on the condition of the motor. It is therefore important to check the insulation resistance and the polarization index at the following times: •...
Maintenance 9.3 Corrective maintenance Servicing the separately driven fan motor • Perform an occasional visual inspection of the separately driven fan motor and check it electrically and mechanically every time the rolling bearings are replaced. • Replace the permanently lubricated rolling bearing on the separately driven fan motor after 40000 operating hours or five years at the latest.
Maintenance 9.3 Corrective maintenance 9.3.1 Rolling bearings Refer to the rating plate or the catalog for the designations of the bearings being used. Bearing lifetime Prolonged storage periods reduce the useful lifetime of the bearing grease. For permanently lubricated bearings, this reduces the bearing service life. We recommend that the grease is replaced after a storage time of 12 months.
Maintenance 9.3 Corrective maintenance ① Heat up 80 ... 100 °C 9.3.1.1 Bearing bushes Protect the bearings against the ingress of dirt and moisture. 9.3.1.2 Fitting the bearing cartridges When fitting the bearing cartridges, observe the specified screw tightening torques (Page 249).
Maintenance 9.3 Corrective maintenance 9.3.1.3 Installing bearings Sealing the bearings Note the following details: • Shaft sealing rings are used to seal motors at the rotor shaft. – For V rings, comply with the assembly dimension. • Use the specified bearings. •...
Maintenance 9.3 Corrective maintenance Procedure 1. Replace the damaged components. 2. Remove any dirt from the components. Remove any grease and the remains of sealant or liquid threadlocker. 3. Prepare the bearing seats: – Lightly oil the inner ring seat. –...
Maintenance 9.3 Corrective maintenance 9.3.3 9.3.3.1 Metal fan disassembly Metal fan • Shaft height 100...355: Remove the locking ring. • Use a suitable tool to pull off the fan (puller). • Locate the arms of the pulling tool in the openings in the fan in the vicinity of the hub. •...
Maintenance 9.3 Corrective maintenance 9.3.7 Links • Replace any corroded screws. • Take care not to damage the insulation of live parts. • Document the position of any rating and supplementary plates that have been removed. • Avoid damaging the centering edges. 9.3.8 Reassembly: Miscellaneous information •...
• Serial number 10.2 Determining the spare parts via the Internet You can use "Spares on Web" to determine the order numbers for motor spare parts quickly and easily. Spares on Web (https://www.sow.siemens.com/?lang=en). 1LE8 轴高 80 ... 355 操作说明, 11/2022, A5E52373573A...
Spare parts 10.3 Replacing rolling bearings 10.3 Replacing rolling bearings Rolling bearings When ordering rolling bearings, in addition to the bearing identification code, the supplementary specifying code is also necessary for the bearing version. Both of these codes are stamped on the lubricant plate and specified in the motor documentation, or can also be taken from the installed bearings.
• After the delivery of the original motor, spare parts will be available for up to 5 years. For an additional period of 5 years, Siemens provides information about spare parts, and when required, provides documentation.
Spare parts 10.6 Motor parts 10.6 Motor parts Part Description Part Description 1.00 DE bearings 5.49 Screw 1.30 Screw 5.54 O ring 1.40 Bearing shield 5.55 1.43 Shaft sealing ring 5.58 Sponge pad 1.44 Bearing cover DE, inner 5.59 Connecting bar 1.46 Bearing outer cover 5.60...
Spare parts 10.7 Standardized parts 10.7 Standardized parts Table 10- 1 Purchase standard parts according to dimensions, material and surface properties through normal commercial channels. Standard Picture Standard Picture 6.02 DIN 471 6.75 EN ISO 4026 GB/T 894.1 GB 77-85 4.04 DIN 580 5.55...
Disposal Protecting the environment and preserving its resources are corporate goals of the highest priority for us. Our worldwide environmental management system to ISO 14001 ensures compliance with legislation and sets high standards in this regard. Environmentally friendly design, technical safety and health protection are always firm goals even at the product development stage.
Disposal 11.3 Preparing for disassembly 11.3 Preparing for disassembly Disassembly of the motor must be carried out and/or supervised by qualified personnel with appropriate expert knowledge. 1. Contact a certified waste disposal organization in your vicinity. Clarify what is expected in terms of the quality of dismantling the motor and provision of the components.
Disposal 11.5 Disposal of components 11.5 Disposal of components Components The motors consist mainly of steel and various proportions of copper and aluminum. Metals are generally considered to be unlimitedly recyclable. Sort the components for recycling according to whether they are: •...
Contacts at Siemens (https://www.automation.siemens.com/aspa_app?lang=en) Siemens Support for on the move With the "Siemens Industry Online Support" App, you can access more than 300000 documents for Siemens Industry products – any time and anywhere. The App supports you in the following areas: •...
Service & support A.1 Further documents Further documents These operating instructions can also be obtained at the following Internet site: https://support.industry.siemens.com (https://support.industry.siemens.com/cs/ww/en/) 1LE8 轴高 80 ... 355 操作说明, 11/2022, A5E52373573A...
Technical specification Tightening torques B.1.1 Tightening torques for screw and bolt connections Bolt locking devices • Refit nuts or bolts that are mounted together with locking, resilient, and/or force- distributing elements with identical, fully-functional elements when re-assembling. Always renew keyed elements. •...
Technical specification B.1 Tightening torques B.1.2 Terminal board and grounding Table B- 2 Tightening torques for electrical connections on the terminal board and grounding Thread ∅ M 3.5 M 10 M 12 M 16 Max. B.1.3 Terminal boxes, end shields, grounding conductors, sheet metal fan covers If no other tightening torques are specified, then the values in the following table apply.
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Technical specification B.1 Tightening torques You should refer to the table in order to find the correct tightening torque for any metal and plastic cable glands that are to be mounted directly on the machine, as well as for any other screw-type connections (such as adapters).
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