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Nabtesco Neco Series Operation And Assembly Manual

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Neco®
Original Operation and
Assembly Manual
Neco® gearbox series
Neco® models 25/42/80/125/160
The corresponding model can be found in your order and delivery documents.
Observe this operation manual at all times, in particular the safety instructions and warnings!
Keep the operation manual!
Neco-BA-EN-004 (07/2024)

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  • Page 1 Neco® Original Operation and Assembly Manual Neco® gearbox series Neco® models 25/42/80/125/160 The corresponding model can be found in your order and delivery documents. Observe this operation manual at all times, in particular the safety instructions and warnings! Keep the operation manual! Neco-BA-EN-004 (07/2024)
  • Page 2 Tiefenbroicher Weg 15 D-40472 Düsseldorf, Germany Phone +49 211 173790 E-mail info@nabtesco.de Internet www.nabtesco.de Copyright © 2024 – Nabtesco Precision Europe GmbH. All rights reserved. Any reproduction, editing, distribution or other use – in whole or in part – is prohibited.

  • Page 3: Table Of Contents

    Contents General ......................... 5 Using this operation manual ..................... 5 Warnings ..........................5 1.2.1 Grouped warnings ......................... 5 1.2.2 Section-specific warnings ....................6 1.2.3 Structure of embedded warnings ................... 6 1.2.4 Meaning of the signal words..................... 6 1.2.5 Figures and tables ......................... 6 Terms used..........................
  • Page 4 Commissioning ......................29 Checks prior to initial commissioning ................29 Function check ........................29 Protective measures for operation ................29 7.3.1 Recommissioning after a longer period of time ............30 Cleaning, maintenance, and inspection ............... 31 Planning, implementation, documentation..............31 Precautionary measures for cleaning and maintenance ........31 Cleaning ..........................31 Inspections ..........................32 Changing the lubricant ......................33...

  • Page 5: General

    The operation manual must be kept close to the machine in a legible condition; it must be accessible at all times. Ensure that the product you are using is an original product manufactured by Nabtesco Precision Europe GmbH. Extended operation manuals or supplements such as customer drawings are available for special designs.

  • Page 6: Section-Specific Warnings

    1 General 1.2.2 Section-specific warnings Each section-specific warning applies to an individual section, workflow or procedure. They do not just apply to a specific action. The hazard symbols used will indicate either a general or a specific hazard. Section-specific warnings are structured as follows: SIGNAL WORD Type of danger and potential consequences ...

  • Page 7: Terms Used

    Any injury, damage to property or financial loss caused by a failure to follow the operation manual or by transporting, storing, installing, maintaining or operating the gearbox incorrectly will void all warranty and liability claims against Nabtesco Precision Europe GmbH and Nabtesco Corporation.

  • Page 8: Responsibility Of The Operator

    The performance limits described must not be exceeded during use. Information on performance can be found in the technical data sheet. Obtaining comprehensive advice from Nabtesco Precision Europe GmbH is recommended as a basic principle. Neco® operation manual...

  • Page 9: Guidelines

    1 General 1.7 Guidelines The gearbox is an incomplete machine. Fundamental safety and health protection requirements were taken into account when the gearbox was designed and manufactured. The gearbox may not be commissioned until it has been installed in a machine or incomplete machine that complies with the Machinery Directive 2006/42/EC.

  • Page 10: Qualifications Of Personnel

    1 General 1.9 Qualifications of personnel This operation manual is intended for authorised and trained personnel. Only qualified specialists are permitted to perform work such as installation, commissioning, and maintenance. Ensure that all personnel tasked with transporting, storing, installing, operating, and maintaining the product have fully read and understood the operation manual.

  • Page 11: Safety

    2 Safety 2 Safety 2.1 General safety instructions This operation manual contains detailed descriptions for operating the product safely and correctly and for monitoring it during operation. The product has been constructed in accordance with the state of the art and the accepted rules of safety technology and is deemed safe to operate.

  • Page 12: Specific Safety Instructions, Residual Risks

    3 Specific safety instructions, residual risks 3 Specific safety instructions, residual risks Warning! Crushing hazard!  Depending on the model, there is a risk of hands and feet being crushed during handling due to the weight of the product.  Wear suitable personal protective equipment (protective boots, protective gloves). Warning! Risk of crushing and shearing! Body parts and clothing can be pulled in by rotating components.

  • Page 13: Product Description

    Designs that have been customised in terms of their technical specifications and geometrics are possible at any time. Please contact Nabtesco Precision Europe GmbH without delay if you are unable to follow the operation manual clearly in this case. Figure 4-1.: Neco® structure Pos.

  • Page 14: Product Code

    4.3 Lubricant ATTENTION Damage to the product possible. Use the lubricant specified by Nabtesco to optimise the performance of this product. ◼ The use of other types of lubricant can lead to reduced performance and premature wear. Do not mix the lubricant specified by Nabtesco with other lubricants.

  • Page 15: Food-Grade Lubricant H1

    4 Product description 4.3.2 Food-grade lubricant H1 Food-grade H1 lubricants are available as an option. Please contact your customer advisor for more information. NOTE Food-grade H1 lubricants have different performance characteristics. This can affect the specified performance as well as the properties of the gearbox. Neco®...

  • Page 16: Technical Specifications, Declaration Of Incorporation

    4 Product description 4.4 Technical specifications, Declaration of Incorporation You can find the technical specifications and product characteristics in the technical data sheet in the product catalogue ◼ on the customer drawing ◼ on the website www.nabteso.de/en/downloads ◼ The Declaration of Incorporation is also available on the website. Gearbox type Approx.

  • Page 17: Label

    4 Product description 4.6 Label All gearboxes are supplied with a standard Nabtesco Precision Europe GmbH (adhesive) label on the case. A gearbox can be uniquely identified using its serial number. Ensure that the label is not damaged and remains easily legible when installing the gearbox.

  • Page 18: Transport, Storage, And Preparations

    5 Transport, storage, and preparations 5 Transport, storage, and preparations Check your delivery for potential damage sustained in transit. If you identify any such damage, submit a complaint to the freight forwarder without delay.  When enquiring about this product, the model, item number and serial number stated on the shipping label are required.

  • Page 19: Storage

    5 Transport, storage, and preparations 5.2 Storage 5.2.1 Storage conditions Store the product in a location that meets the following criteria: If possible, in the original packaging. ◼ Closed room. ◼ Room temperature recommended. ◼ Humidity < 85%, without condensation. ◼...

  • Page 20: Unpacking

    5 Transport, storage, and preparations 5.3 Unpacking The product is coated with anti-rust oil before despatch and may be slippery.  If necessary, wipe off the rust protection oil before transport.  If you use a tool for unpacking, take special care not to damage the product. 5.4 Lifting the product WARNING Risk of injury from falling objects!

  • Page 21: Installation

    6 Installation 6 Installation The customised design may vary depending on the version and scope of the order. Additional assembly steps may be required or others may be omitted. 6.1 Assembly environment The ambient conditions specified in chapter 4.5 apply for installation. Contact your customer advisor if you cannot achieve the ambient conditions required for installing the gearbox.

  • Page 22: Installation On A Motor (Drive)

    6 Installation 6.3 Installation on a motor (drive) The gearbox is suitable for motors with a smooth shaft and suitable diameter tolerances. ATTENTION Risk of damage and loss of performance! Installing the motor incorrectly can damage the gearbox. Deviating tolerance values can impair the performance of the clamping connection.

  • Page 23: Accessories

    See chapter 6.3.2 for the required tightening torque of the clamping screw. 6.3.2 Clamping screw tightening torques Use the screws and tightening torques specified by Nabtesco when installing this product. Gearbox size d x D x W* Tightening torque...

  • Page 24: Installation Steps

    6 Installation 6.3.3 Installation steps  Remove the screw plug (6) and store it (access radial clamping ring).  If the radial clamping ring is not already pre-assembled, slide it over the hollow shaft as far as it will go. The anti-rotation device (plastic plate) must be inserted into the hollow shaft groove.

  • Page 25: Attachment To The End Product

    6 Installation 6.4 Attachment to the end product Assembly conditions:  All installation surfaces are burr-free and free of dirt.  Ensure precise centring and positioning of the components.  Note the accessibility of the screw connections to prevent damage during installation. ...
  • Page 26 6 Installation Serrated lock washers for the hexagon socket screws Name Belleville spring washer (Heiwa Hatsujyo Industry Co., Ltd.) Order code CDW-H, CDW-L (only for M5) Material S50C–S70C Hardness HRC40 up to 48 You must observe the specifications if you use a different serrated lock washer. ...
  • Page 27 6 Installation Nominal size x increase Tightening torque* Tightening force [mm] [Nm] M5 x 0.8 9.01 ± 0.49 9310 M6 x 1.0 15.6 ± 0.78 13180 M8 x 1.25 37.2 ± 1.86 23960 M10 x 1.5 73.5 ± 3.43 38080 M12 x 1.75 129 ±...
  • Page 28 6 Installation Figure 6-11.: Gearbox design A Figure 6-12.: Gearbox design B Pos. Name Pos. Name Output drive screw connection Case screw connection Locking washer Gearbox Use/application Motor with screw connection Installation surfaces Neco® operation manual...

  • Page 29: Commissioning

    7 Commissioning 7 Commissioning WARNING Observe the following safety instructions to prevent accidents and protect your health:  Use the personal protective equipment provided, see chapter 1.5.  When handling oils, greases, cleaning agents, and other hazardous substances, observe the manufacturer’s safety regulations and the safety data sheets applicable to the product.

  • Page 30: Recommissioning After A Longer Period Of Time

    7 Commissioning NOTE The temperature of the gearbox is normally 40 °C. Premature wear occurs at temperatures of 60 °C and higher. In this case, the lubricant must be changed more frequently than specified in chapter 8.5 . If this product is operated over a longer period of time or at high load cycles, the temperature of the product increases and this can have a negative effect on the service life or operation.

  • Page 31: Cleaning, Maintenance, And Inspection

    8 Cleaning, maintenance, and inspection 8 Cleaning, maintenance, and inspection 8.1 Planning, implementation, documentation You must check the maintenance and cleaning intervals specified in this operation manual and, if necessary, adjust these your company’s specific requirements. Ensure that the intervals are complied with.

  • Page 32: Inspections

    Lubricant leakage No leaks Table 8-13.: Inspection list  If one of the defects listed here is found on the gearbox: Cease operation and contact Nabtesco (contact details can be found on page 2). – unusual noises, – unusual vibrations, –...

  • Page 33: Changing The Lubricant

    8.5.2 Lubricant quantities Check the lubricant type and quantity required for each product on the basis of the final specification drawings. If you have any questions, please your Nabtesco customer advisor. Only use the lubricant specified in chapter 4.3. Model...

  • Page 34: Troubleshooting Checklist

    Ensure that the required number of screws have been tightened evenly to the specified tightening torque. Ensure that the specified quantity of the lubricant specified by Nabtesco has been filled. Ensure that there are no problems with the parameter settings of the motor.
  • Page 35 8 Cleaning, maintenance, and inspection The problem occurs during operation (immediately or after a longer period of time) Issue Inspection Ensure that this product has not been in operation for longer than the calculated service life. It may be necessary to replace components Ensure that the surface temperature of this product is not higher than normal during operation.

  • Page 36: Decommissioning

    9 Decommissioning 9 Decommissioning  Carry out disassembly.  Drain the lubricant.  Dispose of lubricant in accordance with the data sheet.  Dispose of the product/parts of the product in accordance with the national regulations in the country of operation. Neco®...

This manual is also suitable for:

Neco 25Neco 42Neco 80Neco 125Neco 160

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