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Technical Information
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Technical Information - 1

Technical Information

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As at: 16th edition, 2020 Copyright by Dr. Fritz Faulhaber GmbH & Co. KG Daimlerstr. 23 / 25 · 71101 Schönaich All rights reserved, including translation rights. No part of this description may be duplicated, reproduced, stored in an information system or processed or transferred in any other form without prior express written permission of Dr. Fritz Faulhaber GmbH & Co. KG. This document has been prepared with care. Dr. Fritz Faulhaber GmbH & Co. KG cannot accept any liability for any errors in this document or for the consequences of such errors. Equally, no liability can be accepted for...

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Contents DC-Motors DC-Micromotors Flat DC-Micromotors & DC-Gearmotors Brushless DC-Motors Brushless DC-Servomotors Brushless Flat DC-Micromotors & DC-Gearmotors Motors with integrated Electronics Brushless DC-Motors with integrated Speed Controller Brushless DC-Servomotors with integrated Motion Controller Stepper Motors Stepper Motors Linear DC-Servomotors Linear DC-Servomotors Precision Gearheads Precision Gearheads Linear Components Lead Screws and Options Encoders – 2 Channel Encoders – 3 Channel Encoder – Absolute Drive Electronics Speed Controller Motion Controller

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DC-Micromotors Technical Information Magnets: Page FAULHABER DC Motors are designed with a variety of 32 – 33 different types of magnets to suit the particular perforPrecious Metal Commutation 0,17 mNm 34 – 35 mance of the given motor type. These materials include Precious Metal Commutation 0,72 mNm 36 – 37 AlNiCo magnets and high performance rare earth types Precious Metal Commutation 0,59 mNm 38 – 39 such as SmCo and NdFeB. Precious Metal Commutation 2 mNm 40 – 41 General information FAULHABER S/G DC-Micromotors Portfolio description The FAULHABER Winding: 0615 … S Originally invented by...

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DC-Micromotors Technical Information Modifications: FAULHABER specializes in the configuration of its standard products to fit the customer application. Available modifications for FAULHABER DC Motors include: DC-Micromotors Precious Metal Commutation ■ Many other nominal voltage types ■ Motor leads (PTFE and PVC) and connectors ■ Configurable shaft lengths and second shaft ends Values at 22°C and nominal voltage 1 Nominal voltage 2 Terminal resistance 3 Efficiency, max. 4 No-load speed 5 No-load current, typ. (with shaft ø 0,8 mm) 6 Stall torque 7 F i ti t ■ Modified shaft dimensions and pinion...

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DC-Micromotors Technical Information Mechanical time constant τm [ms] The time required for the motor to reach a speed of 63% of its final no-load speed, from standstill. shaft, bearing, lubrication, and commutation system or combinations with other components such as gearheads or encoders will all result in a change to the no-load current of the motor. Stall torque MH [mNm] The torque developed by the motor at zero speed (locked rotor) and nominal voltage. This value may vary due to the magnet V type and temperature and the temperature of the 4,5 winding. Rotor inertia J [gcm2] The dynamic...

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DC-Micromotors Technical Information Mechanical when choosing a precious metal commutated Please note, time constant τm [ms] The time required for the motor to reach a speed duty motor that they exhibit the best overall continuousof 63% of its final no-load speed, the point of highest efficiency. performance at or around from standstill. For continuous duty operating conditions that require the R·J = –––– motor to operate closemto its 2 kM thermal limits, a DC Motor with graphite commutation is recommended. Housing material shaft, bearing, lubrication, and commutation system or combinations...

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DC-Micromotors Technical Information Explanations on the performance diagram The performance diagram shows the range of possible operating points of a drive at an ambient temperature of 22 °C and includes both the operation in the thermally insulated and in the cooled state. The possible speed ranges are shown in dependence on the shaft torque. This section provides a very basic step-by-step procedure of how to select a DC-Micromotor for an application that requires continuous duty operation under constant load and ambient conditions. The example describes the calculations necessary to...

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DC-Micromotors Technical Information Mechanical time constant τ [ms] Performance characteristicsmat nominal voltage (24 V) The time presentation of the motor‘s characteristics A graphicrequired for the motor to reach a speed of 63% of its fi obtained by calculating standstill. can be nal no-load speed, from the stall current IH and the torque Mopt. at its point of max. efficiency. All other R·J m = –––– parameters are taken directly from the data sheet of the kM 2 selected motor. 2 Rotor inertia Stall current J [gcm ] The dynamic moment of inertia of the rotor. The motor selected from the...

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DC-Micromotors Technical Information Calculation of the main parameters In this application the available supply voltage is lower than the nominal voltage of the selected motor. The calculation under load therefore is made at 20 V. Calculation of the operating point at 20 V When the torque (M = 3 mNm) at the working point is taken into consideration I, n, P2 and η can be calculated: Current at the operating point inserting the values Supply voltage Terminal resistance No-load current Torque constant Output power at the operating point P2 = M · 2 π · n Efficiency at the operating point In...

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DC-Micromotors Technical Information Motor characteristic curves Mechanical time constant τm [ms] The a specific torque, the various to reach a speedbe read For time required for the motor parameters can of 63% of its final no-load speed, from standstill. on diagram 2. Estimating the lubrication, and the motor winding in or shaft, bearing, temperature of commutation system operation: combinations with other components such as gearheads or To ensurewill all result in a change within no-load current encoders that the motor operates to the a permissible temperature range, it is necessary to...

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