22mm Slotless Brushless DC Motor

Slotless Brushless DC Motor images

Motor Characteristics

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Motor part number - 22ZWWC48 22ZWWC64
Pole pairs - 1 1 1 1 2 1
Terminal resistance, Phase-Phase Ω 0.26 0.3 0.57 1 0.94 0.63
Terminal inductance, Phase-Phase mH 0.018 0.027 0.06 0.11 0.057 0.061
Winding connection method - Star connection Star connection Star connection Star connection Star connection Star connection
Insulation class - B B B B B B
Duty type - S2 S2 S2 S2 S1 S2
Feedback method - Hall sensor Hall sensor Hall sensor Hall sensor Hall sensor Hall sensor
Commutation angle - 120° 120° 120° 120° 120° 120°
Insulation strength
(Withstand voltage)
- 500VAC/1KHz/1mA/1s
Insulation resistance - 100 MΩ/500VDC
Weight g 110 110 110 110 110 140
Rated voltage V 18 24 36 48 24 24
Rated power W 83 100 100 100 53 38.24
Rated torque mN·m 20 20 20 20 25 20
Rated speed RPM 40000 49000 47400 49600 20100 18200
Rated current A 7.95 4.68 3.12 2.29 3 1.86
No load speed RPM 50000 55000 53000 54000 25700 19300
No load current A 0.3 0.4 0.32 0.14 0.18 0.126
Motor efficiency % 87 89 89 91 81 89.7
Noise
(Ambient noise 20dB, test distance 1m)
dB <50 <50 <50 <50 <50 <50
Thermal resistance K/W 12.6 11.9 11.5 12.8 12.2 9.8
Thermal time constant S 648 648 648 648 620 1.86
Ambient temperature 21.4 22 24.7 21.1 24 22.3
Max winding temperature 155 155 155 155 82 100
Torque constant mN·m/A 2.52 4.27 6.41 8.74 8.33 11.87
Back-EMF constant - peak value V/Krpm 0.37 0.63 0.95 1.29 1.23 1.758
Back-EMF constant - effective value V/Krpm 0.26 0.45 0.67 0.91 0.87 1.24
Peak torque mN·m 116.11 341.76 404.72 419.33 212.77 320
Peak current A 46 80 63 48 26 33.5
Rotor inertia g·cm² 1.15 1.15 1.15 1.15 1.15 3
Mechanical time constant ms 4.72 1.89 1.60 1.51 1.56 1.34
End bell - Stainless steel
Bearing - Deep groove ball bearing
Magnet - Sinter NdFeB
Rotation shaft - Carbon steel

Dimensional Drawing

Torque Performance Curves

Options

Precision Planetary Gearbox
Planetary Gearbox Dimensional


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Stage - Stage 1 Stage 2 Stage 3 Stage 4
Gear ratio X : 1 3.9, 5.3 16, 21, 28 62, 83, 111, 150 243, 326, 439, 590, 794
Max. backlash ° 0.85 1.05 1.2 1.35
Max. continuous output power W 24 12 6.0 1.6
Max. peak output power W 30 15 7.5 2.0
Max. continuous input speed rpm 8000 10000 10000 10000
Max. peak input speed rpm 10000 12500 12500 12500
Max. continuous torque N.m 0.5 0.7 1.2 1.5
Max. peak torque N.m 0.6 0.9 1.5 1.9
Max. efficiency % 90 81 74 66
Weight g 59 83 97 112
Gearbox length L mm 22.3 33 39.6 46.3
Silent Planetary Gearbox

Silent

Planetary Gearbox

A high-performance gear reduction solution that delivers both stable torque transmission and low-noise operation, built on precision gear machining technology. Compatible with a wide range of DINGS' motors and applicable across diverse industries including robotics, automation equipment, and precision machinery.

Explore available specifications and gear ratio options on the DKPS website below.

View details on DKPS →