maxon Product Range 2020 / 21

RE 25 ∅ 25 mm, Graphite Brushes, 20 Watt

M 1:2

Stock program Standard program Special program (on request)

Part Numbers

according to dimensional drawing shaft length 15.7 shortened to 4 mm

118749 118750 118751 118752 118753 118754 118755 118756 118757 302002302003302004302005302006302007 302001 302008302009

Motor Data

Values at nominal voltage 1 Nominal voltage 2 No load speed 3 No load current 4 Nominal speed 7 Stall torque 8 Stall current 9 Max. efficiency Characteristics 10 Terminal resistance 11 Terminal inductance 12 Torque constant 13 Speed constant 14 Speed/ torque gradient 15 Mechanical time constant

9 15 18 24 30 42 48 48 48 10000 9660 10200 9560 9860 11100 10300 8240 5050 110 60.8 53.9 36.9 30.5 25.2 20.1 15.2 8.52 8970 8430 8850 8330 8640 9920 9160 7040 3830 11.1 20.5 22.9 26.3 26.7 27.1 27.7 28.7 30 1.5 1.5 1.46 1.16 0.968 0.784 0.653 0.536 0.343 232 225 220 243 249 283 264 209 129 29.1 15.8 13.5 10.4 8.72 7.94 6.03 3.81 1.44 76 82 83 85 86 87 87 86 84 0.309 0.952 1.33 2.32 3.44 5.29 7.96 12.6 33.4 0.028 0.088 0.115 0.238 0.353 0.551 0.832 1.31 3.48 7.96 14.3 16.3 23.4 28.5 35.6 43.8 55 89.6 1200 670 586 408 335 268 218 174 107 46.5 44.7 48 40.3 40.4 39.8 39.6 39.8 39.7 5.68 4.87 4.77 4.55 4.47 4.4 4.37 4.37 4.35 11.7 10.4 9.49 10.8 10.6 10.6 10.5 10.5 10.5

V

rpm mA rpm mNm mNm A A

5 Nominal torque (max. continuous torque) 6 Nominal current (max. continuous current)

%

W

mH

mNm/A rpm/V rpm/mNm

ms gcm 2

16 Rotor inertia

Specifications

Operating Range

Comments

      19 Thermal time constant winding 20 Thermal time constant motor 21 Ambient temperature 22 Max. winding temperature Mechanical data (ball bearings) 23 Max. speed     24 Axial play 25 Radial play 26 Max. axial load (dynamic) 27 Max. force for press fits (static) (static, shaft supported) 28 Max. radial load, 5 mm from flange Other specifications 29 Number of pole pairs 30 Number of commutator segments 31 Weight of motor      Thermal data 17 Thermal resistance housing-ambient 18 Thermal resistance winding-housing

n [rpm]

 Continuous operation In observation of above listed thermal resistance (lines 17 and 18) the maximum permissible winding temperature will be reached during continuous operation at 25°C ambient. = Thermal limit. Short term operation The motor may be briefly overloaded (recurring). Assigned power rating

14 K/W 3.1 K/W 12.5 s 612 s

118752

-30…+100°C +125°C

0.05 - 0.15 mm 0.025 mm 14000 rpm

3.2 N 64 N 800 N 16 N

maxon Modular System Planetary Gearhead ∅ 26 mm 0.75-4.5 Nm Page 381 Planetary Gearhead ∅ 32 mm 0.75-6.0 Nm Page 383/384/387

Details on catalog page 34

1

Encoder MR 128-1000 CPT, 3 channels Page 463 Encoder Enc 22 mm 100 CPT, 2 channels Page 468 Encoder HED_5540 500 CPT, 3 channels Page 471/473

11

130 g

Values listed in the table are nominal. Explanation of the figures on page 72. Option Preloaded ball bearings

Recommended Electronics: Notes Page 34

ESCON Module 24/2 ESCON 36/2 DC ESCON Module 50/5 ESCON 50/5

486 486 487 489

Koaxdrive ∅ 32 mm 1.0-4.5 Nm Page 394 Screw Drive ∅ 32 mm Page 416–421

EPOS4 Micro 24/5 495 EPOS4 Mod./Comp. 24/1.5 496 EPOS4 Mod./Comp. 50/5 496 EPOS4 Comp. 24/5 3-axes 497 EPOS4 50/5 501 EPOS2 P 24/5 504

DC-Tacho DCT ∅ 22 mm 0.52 V Page 480 Brake AB 28

24 VDC 0.4 Nm Page 519

136

maxon DC motor

September 2020 edition / subject to change

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