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Siemens Simotics Operating Instructions Manual

Planetary gearboxes for servomotors
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  • Page 3 Introduction Fundamental safety instructions Description of the SIMOTICS planetary gearbox Preparing for use Drive technology Planetary gearboxes for servomotors Mounting Commissioning Operating Instructions Operation Faults and their rectification Maintenance Decommissioning and disposal Technical data and dimension drawings 09/2020 A5E50494253B AA...
  • Page 4 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.

  • Page 5: Introduction

    Carefully read these Operating Instructions before handling the planetary gearbox. This will ensure safe, problem-free operation and maximize the service life of the gearbox. Siemens strives continually to improve the quality of information provided in these Operating Instructions. • If you find any mistakes or would like to offer suggestions about how this document could be improved, contact the Siemens Service Center.
  • Page 6 • Additional links to download documents • Using documentation online (find and search in manuals / information) More information (https://support.industry.siemens.com/cs/de/en/view/108998034) If you have any questions regarding the technical documentation (e.g. suggestions, corrections), please send an e-mail to the following address E-mail (mailto:docu.motioncontrol@siemens.com).
  • Page 7 If you want to use this function, you must register once. Later, you can log on with your login data. Training The following link provides information on SITRAIN - training from Siemens for products, systems and automation engineering solutions: SITRAIN (http://siemens.com/sitrain)
  • Page 8 Introduction Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...

  • Page 9: Table Of Contents

    Table of contents Introduction ............................3 Fundamental safety instructions ......................9 General safety instructions ....................9 Equipment damage due to electric fields or electrostatic discharge ........14 Security information ......................15 Residual risks of power drive systems ................. 16 Description of the planetary gearbox ....................17 Correct and intended use ....................
  • Page 10 Table of contents Safety instructions ......................55 Inspection and maintenance ....................58 8.2.1 Maintenance and inspection intervals ................58 8.2.2 Checking tightness of fastening bolts ................. 59 8.2.3 Cleaning servomotors with planetary gearbox ..............59 8.2.4 Bearing replacement interval ..................... 59 Repair ..........................

  • Page 11: Fundamental Safety Instructions

    Fundamental safety instructions General safety instructions WARNING Electric shock and danger to life due to other energy sources Touching live components can result in death or severe injury. • Only work on electrical devices when you are qualified for this job. •...
  • Page 12 Fundamental safety instructions 1.1 General safety instructions WARNING Electric shock due to damaged motors or devices Improper handling of motors or devices can damage them. Hazardous voltages can be present at the enclosure or at exposed components on damaged motors or devices. •...
  • Page 13 • Therefore, if you move closer than 20 cm to the components, be sure to switch off radio devices or mobile telephones. • Use the "SIEMENS Industry Online Support app" only on equipment that has already been switched off. WARNING Unrecognized dangers due to missing or illegible warning labels Dangers might not be recognized if warning labels are missing or illegible.
  • Page 14 Fundamental safety instructions 1.1 General safety instructions WARNING Unexpected movement of machines caused by inactive safety functions Inactive or non-adapted safety functions can trigger unexpected machine movements that may result in serious injury or death. • Observe the information in the appropriate product documentation before commissioning.
  • Page 15 Fundamental safety instructions 1.1 General safety instructions WARNING Injury caused by moving or ejected parts Contact with moving motor parts or drive output elements and the ejection of loose motor parts (e.g. feather keys) out of the motor enclosure can result in severe injury or death. •...

  • Page 16: Equipment Damage Due To Electric Fields Or Electrostatic Discharge

    Fundamental safety instructions 1.2 Equipment damage due to electric fields or electrostatic discharge Equipment damage due to electric fields or electrostatic discharge Electrostatic sensitive devices (ESD) are individual components, integrated circuits, modules or devices that may be damaged by either electric fields or electrostatic discharge. NOTICE Equipment damage due to electric fields or electrostatic discharge Electric fields or electrostatic discharge can cause malfunctions through damaged individual...

  • Page 17: Security Information

    Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customer’s exposure to...

  • Page 18: Residual Risks Of Power Drive Systems

    Fundamental safety instructions 1.4 Residual risks of power drive systems Residual risks of power drive systems When assessing the machine- or system-related risk in accordance with the respective local regulations (e.g., EC Machinery Directive), the machine manufacturer or system installer must take into account the following residual risks emanating from the control and drive components of a drive system: 1.

  • Page 19: Description Of The Planetary Gearbox

    Description of the planetary gearbox Correct and intended use WARNING Incorrect use If you do not use/operate the motors correctly, there is a risk of death, severe injury and/or material damage. • Only use the planetary gearbox for its intended purpose •...

  • Page 20: Technical Features And Environmental Conditions

    Description of the planetary gearbox 2.2 Technical features and environmental conditions Technical features and environmental conditions 2.2.1 Technical features This chapter describes the assignment and features of the individual planetary gearboxes. Principle design of the geared motor Output shaft (customer mounting flange) Gearbox housing (gearing area) Gearbox flange Motor...

  • Page 21: Environmental Conditions

    Description of the planetary gearbox 2.2 Technical features and environmental conditions Technical features of SP+ and NP planetary gearboxes In a system with 1FK7 1FT7 Permissible temperature during transport - 15 ... 55 °C Permissible temperatures during storage - 15 ... 55 °C Permissible ambient temperatures in opera- - 15 ...

  • Page 22: Degree Of Protection

    Description of the planetary gearbox 2.2 Technical features and environmental conditions Note Installation instructions The motor is not suitable for operation • In salt-laden or aggressive atmospheres • Outdoors • In a vacuum • In hazardous areas with a danger of explosion You will find additional data on the environmental conditions, such as for transport and storage of the motor, in Chapter "Preparing for use (Page 29)".

  • Page 23: Noise Emission

    Description of the planetary gearbox 2.2 Technical features and environmental conditions 2.2.4 Noise emission WARNING Hearing damage Hearing damage may occur if the motor exceeds a sound pressure level of 70 dB (A) due to the type of mounting or pulse frequency. •...
  • Page 24 Description of the planetary gearbox 2.2 Technical features and environmental conditions Sound pressure level for NP gearboxes Size Type MF1* MF1* MF1* MF1* MF1* Sound pressure level in dB(A) General condition Sound pressure level measured at a distance of 1 m away at a drive speed of n= 3000 rev/min without load;...

  • Page 25: Bearing Versions

    Description of the planetary gearbox 2.2 Technical features and environmental conditions Sound pressure level for NRK gearboxes Size Sound pressure level in dB(A) General condition Sound pressure level measured at a distance of 1 m away at a drive speed of n = 3000 rev/min without load;...

  • Page 26: Properties Of Planetary Gearboxes

    Description of the planetary gearbox 2.3 Properties of planetary gearboxes Properties of planetary gearboxes This chapter describes the mechanical properties of the planetary gearboxes and the materials used. The mounting position of the planetary gearbox is not specified. Property of the planetary gearbox Gearbox series NP, NRB, NRK Gearing...

  • Page 27: Structure Of The Article Number

    Possible combinations are listed in Catalog D 21.4 (https://support.industry.siemens.com/cs/ww/de/view/109747019/en) or D32 (https://support.industry.siemens.com/cs/ww/de/view/109754381/en) for SINAMICS S210. Note that not every theoretical combination is possible in practice. Structure of the article number for servo geared motors For a geared motor, the motor article number is supplemented by one or several order codes.

  • Page 28: Rating Plate Data

    Description of the planetary gearbox 2.5 Rating plate data Rating plate data The rating plate contains the technical data applicable to the delivered motor. A second rating plate is provided with the motor, and this should be used for documentation purposes. Figure 2-3 Rating plate Planetary gearboxes for servomotors...
  • Page 29 Description of the planetary gearbox 2.5 Rating plate data Table 2- 2 Description of the rating plate data Position Description / technical data Characteristic value 1F☐2 1F☐7 Article number ID No., serial number Order codes as a supplement to the article number Type and size of the planetary gearbox Transmission ratio of the planetary gearbox Max.
  • Page 30 Description of the planetary gearbox 2.5 Rating plate data Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...

  • Page 31: Preparing For Use

    Note Siemens will not accept any claims for missing or incorrect items submitted at a later date. • Report any visible transportation damage to the delivery company immediately. • Report any visible defects or missing items to the competent Siemens office immediately.

  • Page 32: Transportation And Storage

    Preparing for use 3.2 Transportation and storage Transportation and storage 3.2.1 Transport WARNING Geared motor falls due to incorrect transport and/or lifting Due to incorrect transport and/or lifting, the geared motor can fall and cause death, severe injury and/or material damage. •...
  • Page 33 Preparing for use 3.2 Transportation and storage Lifting using eyebolts or lifting eyes WARNING Unintentional change of the geared motor position If you lift and transport the geared motor using eyebolts or lifting eyes, as an unfavorable center of gravity situation of the geared motor can unintentionally change the position and cause severe injury.
  • Page 34 Preparing for use 3.2 Transportation and storage Procedure when using lifting eyes 1. For transport, screw in the lifting eyes (eyebolts) at appropriate locations depending on the geared motor position. Use laminated fiber washers. Observe the maximum load of the eyebolt as listed in the table below. Thread size Thread size in kg...
  • Page 35 Preparing for use 3.2 Transportation and storage Procedure when using lifting slings Figure 3-2 Example of lifting and transporting using lifting slings 1. Place the lifting slings around the motor. 2. Attach the lifting slings to the hook. 3. Carefully lift the geared motor. Note Carefully ensure that the lifting slings do not come into contact with the motor connector.

  • Page 36: Storage

    Preparing for use 3.2 Transportation and storage 3.2.2 Storage Storage The free shaft ends, sealing elements and flange surfaces of the geared motor must have a protective coating. NOTICE Seizure damage to bearings If the motors are stored incorrectly, bearing seizure damage can occur, e.g. brinelling, as a result of vibration.

  • Page 37: Mounting

    Mounting Safety instructions WARNING Danger of the motor down due to incorrect transport and/or lifting Due to incorrect transport and/or lifting, the motor can fall and cause death, severe injury and/or damage to property. • Lifting devices, ground conveyors, and load suspension equipment must comply with requirements.
  • Page 38 Mounting 4.1 Safety instructions WARNING Danger to life due to unpredictable movements of the system The system can perform unpredictable movements under load that can cause death or severe injury. • De-energize the system before starting work. • Disconnect all loads from the system. •...

  • Page 39: Checklist Before Installation

    Mounting 4.2 Checklist before installation Checklist before installation Note Required checks The checklists below do not purport to be complete. It may be necessary to perform additional checks and tests in accordance with the situation specific to the particular installation site. Install the geared motor as described in the following chapters of the Operating Instructions.

  • Page 40: Mounting Instructions

    Mounting 4.3 Mounting instructions Mounting instructions 4.3.1 Installation instructions for geared motors Note Observe the technical data on the rating plate attached to the gearbox housing and the motor • Observe the data on the rating plate, as well as the warning and information plates on the motor.

  • Page 41: Flange Mounting And Tightening Torques For Servomotors With Planetary Gearbox

    This chapter describes the designs and dimensions for flange mounting to a machine and the associated tightening torques. Note Siemens AG recommends an anaerobic adhesive to enhance the friction lock between flange and mounting surface. The tightening torque specified in this table are theoretical values.
  • Page 42 Mounting 4.3 Mounting instructions Flange mounting of NRB, NRK and NP planetary gearboxes For gearboxes with aluminum output flange, use screws with a maximum property class of 10.9, assuming that you use 90 % of the screw yield strength. Gearbox size Mounting Ø...
  • Page 43 Mounting 4.3 Mounting instructions Gearbox Mounting Ø circle of Number of Bore diameter Flange thick- Property class flange holes threaded bores in mm ness of the screws in mm in mm IM B5 12.9 Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...

  • Page 44: Mounting Conditions

    Mounting 4.4 Mounting conditions Mounting conditions Note To ensure enough heat is dissipated, a minimum clearance to adjacent components of 100 mm must be kept free on three side surfaces. Note Thermal interaction between the motor and gearbox Take into account the thermal interaction between the motor and gearbox. Reduced characteristics for the geared motors apply.
  • Page 45 Mounting 4.4 Mounting conditions Influence of the mounting situation Higher ambient temperatures, higher installation altitudes or smaller mounting surfaces have a negative impact on the amount of heat dissipated from the geared motor. You must reduce the power. Geared motor cooling improves at lower ambient temperatures and for larger mounting surfaces.

  • Page 46: Attaching The Output Elements

    Mounting 4.5 Attaching the output elements Attaching the output elements This chapter provides important information for pulling on output elements. NOTICE Damage to the motor due to runout on the shaft extension Blows and pressure applied to the shaft extension can damage the gearbox. •...
  • Page 47 Mounting 4.5 Attaching the output elements Mount or remove the power output elements (e.g. couplings, gear wheels, belt pulleys) using suitable devices only (see figure). • Use the threaded hole in the shaft extension. • If required, heat up the output elements before mounting or removing. •...
  • Page 48 Mounting 4.5 Attaching the output elements Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...

  • Page 49: Commissioning

    Commissioning Instructions for commissioning are provided in the Operating Instructions of the servomotor. Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...

  • Page 51: Operation

    Operation Instructions and information on operating servomotors with planetary gearboxes is provided in the Operating Instructions for the motors. While the planetary gearbox is operational ensure that the specified parameters are maintained. Make sure that: • The power consumption is in the specified range •...

  • Page 53: Faults And Their Rectification

    Faults and their rectification WARNING Danger to life for operation without functioning protective devices Operation without functioning protective devices can cause death or severe injury. • Operate the motor, even in test operation, only with functioning protective devices. WARNING Risk of vertical axes dropping as a result of a defective gearbox If you use the geared motor to drive vertical axes, a defective gearbox can cause parts and components to fall resulting in death or severe injury.
  • Page 54 Faults and their rectification Table 7- 1 Possible faults Fault Fault cause (see "Fault causes and remedial measures" key table) Geared motor fails to start Geared motor only starts slowly with difficulty Humming sound when starting Humming sound in operation High temperature rise under no-load operation High temperature rise under load...
  • Page 55 (operating range). viscosity If the fault still cannot be resolved after taking the measures stated above, please contact the manufacturer or the Siemens Service Center. Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...
  • Page 56 Faults and their rectification Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...

  • Page 57: Maintenance

    – Check that every auxiliary circuit is de-energized. – Ensure that the motors cannot move. 3. Lock SIMOTICS S motors so they they cannot make any inadvertent motion, which would generate a voltage at the terminals. 4. Identify all other dangerous energy sources, e.g. compressed air, hydraulic systems or water.
  • Page 58 Maintenance 8.1 Safety instructions WARNING Slipping on leaked oil Leaked oil can result in slipping or falling and cause death or severe injury. • Prevent oil from leaking. • Absorb leaked oil immediately with a binding agent for oil or similar. •...
  • Page 59 Maintenance 8.1 Safety instructions CAUTION Injuries caused by stirred-up foreign bodies and dust when working with compressed When you clean using compressed air, this can stir up dust, metal chips and cleaning agents, and so cause injuries. • When cleaning using compressed air, make sure you use suitable extraction equipment and wear protective equipment (safety goggles, protective suit, etc.).

  • Page 60: Inspection And Maintenance

    Only use original SIEMENS parts. Maintenance and repair of the servomotor equipped with planetary gearbox can be performed by Siemens Service Centers throughout the world. To do this, contact your local Siemens representative. • Perform the following maintenance measures as listed in the table.

  • Page 61: Checking Tightness Of Fastening Bolts

    Maintenance 8.2 Inspection and maintenance 8.2.2 Checking tightness of fastening bolts Note Replace unusable headless screws with headless screws of the same design and property class. • Switch off the power supply to the drive unit. • Check all fixing screws for tightness using a torque wrench. You will find the permissible torques in chapter Mounting instructions (Page 38) 8.2.3 Cleaning servomotors with planetary gearbox...

  • Page 62: Repair

    8.3 Repair Repair Note regarding maintenance The Siemens Service Center Bad Neustadt and other regional service sites throughout the world can handle or organize the maintenance/repair of the motor and/or gearbox. Contact your regional Siemens contact if you require this service.

  • Page 63: Decommissioning And Disposal

    Decommissioning and disposal Decommissioning Instructions for decommissioning are provided in the Operating Instructions for the specific servomotor. Disposal Recycling and disposal For environmentally-friendly recycling and disposal of your old device, please contact a company certified for the disposal of waste electrical and electronic equipment, and dispose of the old device as prescribed in the respective country of use.

  • Page 65: Technical Data And Dimension Drawings

    Adapt the values for operating the motors according to Chapter "Derating factors" for the specific motor. Dimension sheets and 3D CAD files for the motors with planetary gearboxes are provided in the DT Configurator in the Internet at DT CONFIGURATOR (http://siemens.de/dt-konfigurator). Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...

  • Page 67: Index

    Correct and intended use, 17 Degree of protection, 2 Hotline, 5 Inspection and maintenance, 55 Maintenance intervals, 58 Rating plate data, 26 Siemens Service Center, 5 Target group, 3 Technical Support, 5 Training, 5 Planetary gearboxes for servomotors Operating Instructions, 09/2020, A5E50494253B AA...

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