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- Maxon DC motor RE-max 24
- Quick Information (Motor + Gear + Encoder)
- Nominal Motor Voltage: 12 V
- Nominal Motor Power: 11W
- Nominal Speed: 5720 rpm
- Diameter (Motor & Gear): 24 mm
- Length over all: 86 mm
- Length encoder to gear mounting flange: 68.7 mm
- Width at encoder: 33.5 mm
- Gear shaft diameter: 4 mm
- Gear shaft length: 11.8 mm
- Gear ratio: 5.4:1
- Total weight: approx. 140 g
- Encoder resolution at motor shaft: 100 Counts / rotation = 400 Increments / rotation
- Encoder resolution at gear shaft: 540 Counts / rotation = 2160 Increments / rotation
- Encoder Voltage: 5 V
- Encoder Channels: 2 (A-B)
- Cable length: approx. 300 mm
- Original price in this configuration: approx. 300 $
- PinOut
- Pin 1: Motor (+)
- Pin 2: Shield
- Pin 3: Channel B
- Pin 4: Vcc Enc (5V)
- Pin 5: Channel A
- Pin 6: Gnd Enc
- Pin 7: Shield
- Pin 8: Motor (-)
- About Maxon DC motors
- maxon DC motors are high-quality motors fitted with powerful permanent magnets. The “heart” of the motor is the worldwide patented ironless rotor. For you, this means cutting-edge technology in compact, powerful and low inertia drives.
- Application
- This high quality DC motor with attached incremental encoder and high precision planetary drive can be used for various applications like:
- - Robotics
- - Arduino projects DIY
- - Home automation
- - Motion control
- - Position control
- - Speed control
- - Mechatronic systems
- - High torque, hiqh precision, low space application
- Specifications - Motor
- Values at nominal voltage
- Supply Voltage 12V
- Nominal power 11 Watt
- No load speed 7470 rpm
- No load current 30.9 mA
- Nominal speed 5720 rpm
- Nominal torque (max. continuous torque) 11.7 mNm
- Nominal current (max. continuous current) 0.806 A
- Stall torque 52.5 mNm
- Starting current 3.48 A
- Max. efficiency 80 %
- Characteristics
- Terminal resistance 3.45 Ohm
- Terminal inductance 0.155 mH
- Torque constant 15.1 mNm/A
- Speed constant 634 rpm/V
- Speed / torque gradient 145 rpm/mNm
- Mechanical time constant 6.55 ms
- Rotor inertia 4.32 gcm2
- Thermal data
- Thermal resistance housing-ambient 24 K/W
- Thermal resistance winding-housing 5.1 K/W
- Thermal time constant winding 8.56 s
- Thermal time constant motor 637 s
- Ambient temperature -30...+85 °C
- Max. permissible winding temperature +125 °C
- Mechanical Data
- Bearing type Sintered bearings
- Max. permissible speed 9800 rpm
- Axial play 0.05 - 0.15 mm
- Radial play 0.012 mm
- Max. axial load (dynamic) 1 N
- Max. force for press fits (static) 80 N
- (static, shaft supported) 420 N
- Max. radial loading 2.8 N, 5 mm from flange
- Weight 71 g
- Other Specifications
- Number of pole pairs 1
- Number of commutator segments 9
- Direction of rotation Clockwise (CW)
- Number of autoclave cycles 0
- Specifications - Gear
- Gearhead Data
- Gear type Planetary gear
- Bearing type Ball bearing
- Outer diameter 22 mm
- Shaft diameter 4 mm
- Shaft length 11.8 mm
- Reduction 5.4:1
- Reduction absolute 27/5
- Max. motor shaft diameter 2.5 mm
- Number of stages 1
- Max. continuous torque 0.5 Nm
- Intermittently permissible torque at gear output 0.8 Nm
- Sense of rotation drive to output =
- Max. efficiency 84 %
- Weight 42 g
- Average backlash no load 1°
- Mass inertia 0.5 gcm2
- Gearhead length 22 mm
- Max. transferable continuous performance 58 W
- Max. transferable short-time performance 93 W
- Technical Data
- Radial play max. 0.2 mm, 10 mm from flange
- Axial play 0 - 0.2 mm
- Max. radial load 70 N, 10 mm from flange
- Max. axial load (dynamic) 100 N
- Max. permissible force for press fits 100 N
- Recommended input speed 6000 rpm
- Max. short-time input speed 6000 rpm
- Recommended temperature range -40...+100°C
- Specifications - Encoder
- General information
- Encoder type Incremental Quadrature Encoder
- Counts (Lines) per turn 100
- Increments per turn 400
- Number of channels 2 (A B)
- Line Driver No
- Index Signal No
- Max. speed 12'000 rpm
- Shaft diameter 2 mm
- Technical Data
- Supply Voltage Vcc 5.0 V ± 10.0 %
- Driver used logic TTL
- Min. angular acceleration -1 rad / s2
- Output current per channel -10...5 mA
- Signal rise time 200 ns
- Measurement condition for signal rise time CL = 25 pF, RL = 11kOhm
- Signal fall time 50 ns
- Measurement condition for signal fall time CL = 25 pF, RL = 11kOhm
- Phase shift 90 °e
- Phase shift, inaccuracy 45 °e
- Max. moment of inertia of code wheel 0 gcm2
- Operating temperature -20...+85 °C
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