16mm Slotless Brushless DC Motor

Slotless Brushless DC Motor images

Motor Characteristics

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Motor part number   16ZWWC24-1SZ 16ZWWC40 16ZWWC56-5SZ
Pole pairs - 1 1 1 1 1 1 1
Phase-to-phase resistance Ω 2.408 0.63 1.31 1.85 3.15 0.3196 0.4971
Phase-to-phase inductance mH 0.067 0.033 0.045 0.096 0.2 0.014 0.033
Winding connection method - Delta Connection Star Connection Star Connection Star Connection Star Connection Delta Connection Star Connection
Insulation class - B B B B B B B
Duty type - S2 S2 S2 S2 S2 S2 S2
Feedback method - Hall sensor Hall sensor Hall sensor Hall sensor Hall sensor Hall sensor Hall sensor
Commutation angle - 120° 120° 120° 120° 120° 120° 120°
Insulation strength
(Withstand voltage)
- 500VAC/1KHz/1mA/1s
Insulation resistance - 100MΩ/500VDC
Weight g 26.5 47 47 47 47 47 63
Rated voltage V 12 18 24 36 48 12 24
Rated power W 10.8 33 39 39 39 27.26 73.5
Rated torque mN·m 3.2 7.4 7.4 7.5 7.4 7.5 14.6
Rated speed RPM 32300 44000 51300 50000 50000 34700 48100
Rated current A 1.21 2.19 1.96 1.32 0.95 3 3.81
No load speed RPM 44000 50000 58000 56000 56000 40000 54000
No load current A 0.35 0.31 0.22 0.15 0.12 0.4 0.5
Motor efficiency % 75.5 85 84 82.4 84.92 81.4 87.1
Noise
(Ambient noise 20dB, test distance 1m)
dB <50 <50 <50 <50 <50 <50 <50
Thermal Resistance
(No-load)
K/W - 1.22 1.33 1.47 1.07 - -
Thermal Time Constant
(No-load)
S - 420 450 480 390 - -
Ambient temperature 22.3 22.3 22.3 22.3 22.3 22.3 22.3
Max winding temperature
(No-load)
- 63 75 80 63.8 - -
Torque constant mN·m/A 2.6 3.38 3.78 5.66 7.75 2.86 4.24
Back-EMF constant
peak value
V/Krpm 0.38 0.50 0.56 0.84 1.15 0.42 0.62
Back-EMF constant
effective value
V/Krpm 0.27 0.35 0.40 0.59 0.81 0.3 0.44
Peak torque mN·m 9 96.65 69.21 110.19 118.13 53 140
Peak current A 4.9 29 18 19 15 19 39
Rotor inertia g·cm² 0.3 0.583 0.583 0.583 0.583 0.58 0.8
Mechanical time constant ms 10.69 3.21 5.35 3.36 3.06 2.28 2.21
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 ° 1.0 1.2 1.3 1.4
Max. continuous output power W 6.5 3.2 1.6 0.6
Max. peak output power W 8.0 4.0 2.0 0.75
Max. continuous input speed rpm 12000 14000 14000 14000
Max. peak input speed rpm 15000 18000 18000 18000
Max. continuous torque N·m 0.2 0.25 0.35 0.45
Max. peak torque N·m 0.25 0.35 0.45 0.55
Max. efficiency % 90 80 75 65
Weight g 25 31 37 42
Gearbox length L mm 18.7 25.5 30.2 42