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Due to coreless motor overcome brush motor unbridgeable technical obstacle. Coreless motor typical application: Military, High-tech area, in large industrial and civilian field, after more than 10year...
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Advantage of the coreless motor: 1, Maximum energy conversion efficiency(index of the energy saving features): efficiency more than 70%,some products more than 90%( common brush motor 15-50%);2, ...
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The coreless motor which is also called the hollow cup-shaped motor,belonging to the DC, permanent magnet,servo micro-mo...
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Add: Chinese town of Shenzhen City, Guangdong Komeito fourth industrial zone Mashantou 110
Products 产品详情
Product Name: CM2657
Listing Date:2017-03-30
  • CM2657 CM2657
  • Details Picture
  • Product parameters 
  • Applications 
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  •  


Operating Characteristic Curve


CM2657


Outline drawing


CM2657



Nominal voltage

U(N)

V

9

12

18

No load speed

N(0)

rpm

5533

5332

5530

No load current

I(0)

A

0.09

0.06

0.05

Nominal speed

N(N)

rpm

5219

5044

5194

Nominal torque

T(N)

mN.m

20.9

20.2

22.37

Nominal current

I(N)

A

1.5

1.05

0.77

Stall torque

T(S)

mN.m

370

375

369

Stall current

I(S)

A

25

18.5

12

Max. efficiency

η

%

88.3

88.9

87.5

Terminal resistance

phase to phase

R(t-h)

Ω

0.36

0.64

1.5

Terminal inductance

phase to phase

L(t-h)

mH

0.067

0.13

31.5

Torque constant

K(T)

mN.m/A

14.85

20.3

30.88

Speed constant

K(n)

rpm/V

617

445.8

308.5

Speed/torque gradient

K(▽)

rpm/mN.m

14.9

14

14.9

Mechanical time constant

K(m)

ms

3.2

3.1

3.1

Rotor inertia

J

gcm2

21.1

21.2

20


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