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Neco® HT
Original Operation and
Assembly Manual
Neco® HT gearbox series
Models: Neco® HT 380/500/700/900
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!
NecoHT-BA-EN-004 (07/2024)
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Summary of Contents for Nabtesco Neco HT Series
- Page 1 Neco® HT Original Operation and Assembly Manual Neco® HT gearbox series Models: Neco® HT 380/500/700/900 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! NecoHT-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.
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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 ......................31 Checks prior to initial commissioning ................31 Function check ........................31 Protective measures for operation ................32 7.3.1 Recommissioning after a longer period of time ............32 Cleaning, maintenance, and inspection ............... 33 Planning, implementation, documentation..............33 Precautionary measures for cleaning and maintenance ........33 Cleaning ..........................33 Inspections ..........................34 Changing the lubricant ......................35...
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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. HT 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®HT 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
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.nabtesco.de/en/downloads ◼ The Declaration of Incorporation is also available on the website. Gearbox type Approx. weight [kg] Table 4-3.: Weights 4.5 Ambient conditions... -
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 with feather key 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
Screw plug (clutch access) Servomotor 6.3.1 Accessories Metal bellows coupling: Only use an original Nabtesco Precision Europe GmbH metal bellows coupling. Metal bellows couplings are flexible shaft couplings. The metal bellows compensates for lateral, axial and angular shaft misalignment with low restoring forces. -
Page 24: Clamping Screw Tightening Torques
6 Installation 6.3.2 Clamping screw tightening torques Use the screws and tightening torques specified by Nabtesco when installing this product. Size D x W* Tightening torque** [mm] [Nm] K20xxx 66 x 60 40 (M8) K40xxx 75 x 82 84 (M10) Table 6-5.: Tightening torque of the clamping screw of the metal bellows coupling... -
Page 25: Installation Steps
6 Installation 6.3.3 Installation steps Step 1 Remove the screw plug (1) (coupling access). The metal bellows coupling is already pre-assembled on the gearbox side. Slightly unscrew the clamping screw (2) for the coupling located below the screw plug to allow the motor shaft to be inserted. - Page 26 6 Installation Step 5 Tighten the locking screw (1) so that it since flush in order to lock the access. Do not force the screw in too far as internal components may be damaged. HT operation manual Neco®...
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Page 27: 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 28: Fastening
6 Installation 6.4.1 Fastening Hexagon socket screws and serrated lock washers are required for the fastening and application. Model Nominal size Number of screws NecoHT 380 M12 x 1.75 NecoHT 500 M12 x 1.75 NecoHT 700 M12 x 1.75 NecoHT 900 M16 x 2.0 Table 6-6.: Number of screws required for the case Model... - Page 29 6 Installation The screw head must point to this side Figure 6-8. Nominal size Inner diameter Outer diameter Thickness Height 12.6 16.9 Table 6-9.: Serrated lock washer sizes [mm] Nominal size x increase Tightening torque* Tightening force [mm] [Nm] M12 x 1.75 129 ±...
- Page 30 6 Installation Figure 6-11.: 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 HT operation manual Neco®...
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Page 31: 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 32: Protective Measures For Operation
7 Commissioning 7.3 Protective measures for operation WARNING Risk of being pulled in! Body parts and clothing can be pulled in by rotating components. This can lead to severe injuries or even death. Keep a sufficiently safe distance from rotating parts of the gearbox during operation. Risk of injury! Risk of burns! The product can become very hot during operation. -
Page 33: 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 34: Inspections
Screws are tight Stopped Lubricant leakage No leaks Table 8-12.: Inspection list If one of the defects listed here is found on the gearbox: Cease operation and contact Nabtesco, see 8.5. – unusual noises, – unusual vibrations, – strong heat development. -
Page 35: 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 36: Troubleshooting Checklist
8 Cleaning, maintenance, and inspection 8.6 Troubleshooting checklist Check the following points if problems such as unusual noises, vibrations or malfunctions occur. You can copy the checklists on this and the following page and tick them off during examinations. The problem occurs immediately after installing this product Issue Inspection Ensure that there is no interference with other components (interfering edges, overlaps,... - Page 37 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.
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Page 38: 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. HT operation manual Neco®...
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