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Maxon EC frameless DT Installation Manual

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Dynamic Torque
Installation Manual
«EC frameless DT» | maxon Frameless Drives
Installation Manual
mmag | Edition 2024-01 | DocID rel12019

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Summary of Contents for Maxon EC frameless DT

  • Page 1 Dynamic Torque Installation Manual «EC frameless DT» | maxon Frameless Drives Installation Manual mmag | Edition 2024-01 | DocID rel12019...

  • Page 2: Table Of Contents

    • you must follow the instructions given therein. The «EC frameless DT» is considered as partly completed machinery according to EU Directive 2006/42/EC, Article 2, Clause (g) and is intended to be incorporated into or assembled with other machinery or other partly completed machinery or equipment.
  • Page 3 Table of Contents INDEX APPENDIX 27 «EC frameless DT» Installation Manual mmag | 2024-01 | rel12019...
  • Page 4 Table of Contents «EC frameless DT» Installation Manual mmag | 2024-01 | rel12019...

  • Page 5: General Information

    About this document 1.1.1 Intended purpose The purpose of the present document is to familiarize you with the direct drive «EC frameless DT». It will highlight the tasks for safe and adequate installation and/or commissioning. Follow the described instructions … •...

  • Page 6: About The Device

    Magnetic rotor; for on-site assembly with the installed stator and the customer-provided torque-carrying device Outer body, motor shaft, and bearings are not part of the «EC frameless DT»’s scope of delivery and are being desig- ned for a particular case of application by the customer.

  • Page 7: About The Safety Precautions

    General Information About the safety precautions Important note on the design The «EC frameless DT» is a sensorless motor and does not feature any Hall sensor signals. As an option, maxon offers the «TSX MAG» encoder. About the safety precautions Safety first—always!
  • Page 8 • Be aware that you are not entitled to perform any repair on components supplied by maxon motor. Electrostatic sensitive device (ESD) •...

  • Page 9: Specifications

    In its catalog data sheets maxon specifies the motor data with block commutation (according to «Standard Specifica- tion no. 101», which you can find in the maxon catalog in chapter “Technology short and to the point”. For detailed information and values consult the data sheets in the Appendix as of page 27.
  • Page 10 The motor constant indicates the electrodynamic torque (without friction, etc.), which occurs with current heat losses of 1 W. It is an important parameter for the strength of a motor. Choice between multiple functions. Table 2-4 Technical data (typical) «EC frameless DT» Installation Manual 2-10 mmag | 2024-01 | rel12019...

  • Page 11: Dimensional Drawings

    Specifications Dimensional Drawings Dimensional Drawings For dimensional drawings see Appendix as of page 27. Nameplate Figure 2-1 Nameplate (typical) – EC frameless DT without (left) and with TSX MAG encoder (right) Part Manufacturer Data Matrix Code Data Matrix Code Stator...
  • Page 12 Standards • • p a g e i n t e n t i o n a l l y l e f t b l a n k • • «EC frameless DT» Installation Manual 2-12 mmag | 2024-01 | rel12019...

  • Page 13: Installation

    The components for motor versions with encoder are matched and paired with each other. Install them in the paired state. BESIDES SPECIAL PRECAUTIONS IN RESPECT TO HEALTH AND SAFETY, THE «EC FRAMELESS DT» MUST BE INSTALLED IN A PARTICULAR AND SPECIFIC WAY. FOR BOTH SAFE AND EASY INSTALLATION AS WELL AS RELIABLE OPERATION CLOSELY FOLLOW THE BELOW DESCRIBED INFORMATION IN GIVEN ORDER.

  • Page 14: General Rules

    OBSERVE THE FOLLOWING NOTICE ON THE PREREQUISITES FOR PERMISSION TO COMMENCE INSTAL- LATION. The «EC frameless DT» is considered as partly completed machinery according to EU Directive 2006/42/EC, Article 2, Clause (g) and is intended to be incorporated into or assembled with other machinery or other partly com- pleted machinery or equipment.

  • Page 15: Design Guidelines

    3.2.3 Magnetic Forces The rotor of the «EC frameless DT» is equipped with strong magnets. As a result, large forces can occur in both the axial and radial directions. Note this in particular with regard to the following topics: •...
  • Page 16 Fixation of the rotor – recommended adhesives 3.2.6 Fixation of the Stator maxon recommends to fix the stator of the «EC frameless DT» axially using bolted connections. This axial screw con- nection also serves as a non-positive transmission of the torque. Requirements for operation Use only screws that, once installed, do not protrude the inside front face of the stator flange.

  • Page 17: Mechanical Installation

    Two variants of mounting options are schematically shown below, which must be understood as a general guide. The actual conditions depend on the respective customer application. For easier differentiation, color coding is used in illustrations of individual components are shown: Stator of the «EC frameless DT» Housing (by customer) Rotor of the «EC frameless DT»...
  • Page 18 Mount and fasten stator in a guided and controlled position. Figure 3-5 Mounting the stator Check installation position of rotor and stator as to dimensional drawing’s specifications (as of page 27). Figure 3-6 Checking the installation position «EC frameless DT» Installation Manual 3-18 mmag | 2024-01 | rel12019...

  • Page 19: Electrical Installation

    3.4.1.1 Motor By default, the «EC frameless DT» is supplied without connector. It has three individual strands to connect to the motor windings 1, 2, and 3 as well as two additional individual strands for the NTC thermistor. Figure 3-7...
  • Page 20 3.4.2.1 Motor: Temperature Sensor The «EC frameless DT» is equipped with two in parallel connected temperature sensors based on the NTC thermistor principle (NTC; Negative Temperature Coefficient). The data sheet (as of page 27) shows the equivalent resistance of this parallel circuit. Thereby, a negative temperature coefficient is used, which is associated with a decreasing elec- trical resistance as the temperature increases.

  • Page 21: Maintenance

    Maintenance MAINTENANCE Periodic Inspection The «EC frameless DT» as a whole and its individual parts are maintenance-free. Outer body, motor shaft, and bearings are customer-made parts. For their maintenance and repair consult the relevant instructions. Thereby observe the following: If you perform maintenance on outer body, motor shaft, and bearings: •...
  • Page 22 Maintenance • • p a g e i n t e n t i o n a l l y l e f t b l a n k • • «EC frameless DT» Installation Manual 4-22 mmag | 2024-01 | rel12019...

  • Page 23: Declaration Of Incorporation

    Directive on Machinery. Sachseln, December 17, 2021, on behalf of the manufacturer Daniel von Wyl Dominik Stockmann Managing Director maxon motor ag Director R&D Motors & Encod «EC frameless DT» Installation Manual 5-23 mmag | 2024-01 | rel12019...

  • Page 24: List Of Figures

    LIST OF FIGURES Figure 2-1 Nameplate (typical) – EC frameless DT without (left) and with TSX MAG encoder (right)....11 Figure 3-2 Main components ............... 13 Figure 3-3 Mounting the rotor .

  • Page 25: List Of Tables

    Terminal assignment – Motor strands ............19 «EC frameless DT» Installation Manual...
  • Page 26 NTC thermistor 20 performance data 7 performance increase 13 precautions 5 prerequisites prior installation 12 prohibitive signs 3 purpose of the device 5 of the document 3 regulations, applicable 5 «EC frameless DT» Installation Manual Z-26 mmag | 2024-01 | rel12019...
  • Page 27 APPENDIX «EC frameless DT» Installation Manual Z-27 mmag | 2024-01 | rel12019...
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  • Page 52 © 2024 maxon. All rights reserved. Any use, in particular reproduction, editing, translation, and copying, without prior written approval is not permitted (contact: maxon international ltd., Brünigstrasse 220, CH-6072 Sachseln, +41 41 666 15 00, www.max- ongroup.com). Infringements will be prosecuted under civil and criminal law. The mentioned trademarks belong to their respec- tive owners and are protected under trademark laws.

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