maxon

maxon DC -max motor-max 21 21 mm, Graphite Brushes, 6 WattM 1:1Stock programStandard programSpecial program (on request)Article NumbersMotor DataValues at nominal voltage1 Nominal voltage V2 No load speed rpm3 No load current mA4 Nominal speed rpm5 Nominal torque (max. continuous torque) mNm6 Nominal current (max. continuous current) A7 Stall torque mNm8 Starting current A9 Max. efficiency %Characteristics10 Terminal resistance 11 Terminal inductance mH12 Torque constant mNm/A13 Speed constant rpm/V14 Speed / torque gradient rpm/mNm15 Mechanical time constant ms16 Rotor inertia gcm 2250020 250021 250022 250023 250024 250025 250026 250027 2500284 6 9 15 18 21 24 36 4811400 9700 10200 10600 9990 9780 8930 10100 9620155 84.1 59.1 37.1 28.8 24.1 18.9 14.6 10.39880 7850 8050 8280 7740 7500 6650 7820 73201.85 3.68 5.5 6.65 6.84 6.75 6.84 6.62 6.610.72 0.72 0.72 0.535 0.431 0.357 0.289 0.212 0.15114.5 19.8 26.5 31 30.8 29.4 27.2 29.7 284.47 3.43 3.19 2.33 1.82 1.46 1.08 0.888 0.59858 67 73 76 76 76 75 76 760.896 1.75 2.8 6.44 9.9 14.4 22.2 40.6 80.30.013 0.041 0.0846 0.219 0.353 0.502 0.784 1.38 2.73.24 5.76 8.29 13.3 16.9 20.2 25.2 33.5 46.82950 1660 1150 716 564 473 379 285 204814 503 390 346 330 338 334 345 35021.9 11.1 9.03 7.88 7.58 7.5 7.41 7.55 7.382.57 2.11 2.21 2.17 2.2 2.12 2.12 2.09 2.02Specifications Operating Range CommentsThermal data17 Thermal resistance housing-ambient 28 K/W18 Thermal resistance winding-housing 8.0 K/W19 Thermal time constant winding 8.75 s20 Thermal time constant motor 502 s21 Ambient temperature -30…+85°C22 Max. permissible winding temperature +125°Cn [rpm]Continuous operationIn observation of above listed thermal resistance(lines 17 and 18) the maximum permissible windingtemperature will be reached during continuous operationat 25°C ambient.= Thermal limit.Mechanical data (sleeve bearings)23 Max. permissible speed 12000 rpm24 Axial play 0.05 - 0.15 mm25 Radial play 0.012 mm26 Max. axial load (dynamic) 1 N27 Max. force for press fits (static) 80 N(static, shaft supported)420 N28 Max. radial loading, 5 mm from flange 2.7 NShort term operationThe motor may be briefly overloaded (recurring).Assigned power ratingMechanical data (ball bearings)23 Max. permissible speed 12000 rpm24 Axial play 0.05 - 0.15 mm25 Radial play 0.025 mm26 Max. axial load (dynamic) 3.3 N27 Max. force for press fits (static) 45 N(static, shaft supported)480 N28 Max. radial loading, 5 mm from flange 11.9 NOther specifications29 Number of pole pairs 130 Number of commutator segments 931 Weight of motor 42 gValues listed in the table are nominal.Explanation of the figures on page 49.OptionBall bearings in place of sleeve bearingsPigtails in place of terminalsmaxon Modular System Overview on page 16 - 21Planetary Gearhead22 mm0.5 - 1.0 NmPage 224Planetary Gearhead22 mm0.5 - 2.0 NmPage 225Spur Gearhead38 mm0.1 - 0.6 NmPage 241Spindle Drive22 mmPage 253/254Recommended Electronics:ESCON 36/2 DC Page 292ESCON 50/5 292EPOS2 24/2 312EPOS2 Module 36/2 312EPOS3 70/10 EtherCAT 319Notes 18Encoder MR32 CPT,2 / 3 channelsPage 269Encoder MR128 / 256 / 512 CPT,2 / 3 channelsPage 271126maxon DC motorMay 2012 edition / subject to change