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NC-1557##(Neodymium magnet)

Motor specifications

Item Unit Model
NC-155701 NC-155702
Rated voltage V 12 24
Rated output W 5.3 5.3
Rated torque mNm 6.37 6.37
gf-cm 65 65
oz-in 0.905 0.905
Rated Speed rpm 8200 8200
Rated current mA 600 320
No Load Speed rpm 9800 9800
No Load current mA 70 40
Starting torque mNm 39.2 38.22
gf-cm 400 390
oz-in 5.566 5.427
Starting current A 3.4 1.7
Rotor inertia g-cm2 1.85 1.85
Armature resistance Ω 3.6 14.5
Inductance mH 0.22 0.89
Mechanical time constant m-sec 4.5 4.5
Back EMF constant V/103rpm 1.23 2.41
Torque constant mNm/A 11.7 23.0
gf-cm/A 120.1 234.9
oz-in/A 1.66 3.26
Maximum output W 9.8 9.6
Initial angular acceleration rad/sec2 227.9×103 227.9×103
Thermal resistance (case-ambient) ℃/W 18.8 18.8
Winding insulation class F
Maximum armature winding temperature rise 155
Operating ambient temperature -10 ~ +50
Number of commutator segments 9
Bearing type Ball bearings
Brush materials Silver/Carbon
Weight g 51 51
Length (L) mm 56.6 56.6
Length(Depth) mm 4.0 4.0

Tachometer generator included

Item Unit Tachometer Generator’s Specification
Output voltage V/1000rpm 0.55±15%
Linearity % max 0.3
Ripple P-P value (test circuit) % max 7
Ripple frequency Cycle/Rev 7
Directional error % max 0.5
Armature resistance Ω 30
Inductance mH 0.4
Rotor inertia g-cm2 0.3
Output voltage of temperature coefficient %/℃ -0.04
Weight (motor + tachometer generator) g 64
Length (L) mm 75.6

Optical encoder included

Encoder type Incremental Type
Item Unit Encoder’s Specification
Encoder type Incremental
Output pulse number Pulse/Rev 400、1000
Number of channels 3
Power source voltage Vcc 5±5%
Current Consumption mA 80 (max.)
Output voltage V “ H ” | 4.0 (min.)
“ L” | 0.5 (max.)
Output waveform Short waveform
Response frequency kHz 100(Note 1)
Rotor inertia g-cm2 0.04
Weight (motor + encoder) g 74
Length (L) L1 mm 54.8
L2 mm 75.6

ZJP gear included

 

●Rated characteristics for motor with gears included

NC-1557##G ZJP 1/xxx (φ18)

Reduction ratio 4 6 16 24 36 64 96
Rated torque N・m 0.020 0.030 0.065 0.097 0.146 0.208 0.312
Rated Speed rpm 1871 1247 467 311 207 114 76
Rated output w 4.0 4.0 3.2 3.2 3.2 2.5 2.5
Length (L) mm 19.4 19.4 22.9 22.9 22.9 28.2 28.2
Reduction ratio 144 216 256 384 ※ 576 ※ 864 ※ 1296
Rated torque N・m 0.468 0.580 0.669 1.003 1.200 1.200 1.200
Rated Speed rpm 50 37 28 19 14 9 6
Rated output w 2.5 2.3 2.0 2.0 1.7 1.1 0.7
Length (L) mm 28.2 26.2 33.5 33.5 33.5 33.5 33.5
  • Note 1If using deceleration ratios marked with an asterisk (*), please make sure you do not exceed the allowable output torque for the gearhead.
  • Note 2Values assume continual operation under an evenly distributed load.

 

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