参数

符号

单位

57BL3A50

57BL3A70

57BL3A90

-A

-B

-B

-C

-B

-C

额定电压 /Rated voltage

U

V

+24

+36

+36

+48

+36

+48

额定功率 / Shaft power @rated speed

P out

W

62

62

125

125

185

185

额定转速 /Rated speed

n N

rpm

3000

额定 电流 / Current @rated speed

I N

A

3.3

2.2

4.4

3.2

6.5

4.8

额定转距 / Torque @rated speed

T N

N.m

0.2

0.2

0.4

0.4

0.6

0.6

峰值电流 /Peak current

I P

A

10.5

6.5

13.4

9.8

20

14.9

峰值转矩 /Peak torque

T p

N.m

0.58

0.6

1.29

1.31

1.9

2

堵转电流 /Stall current continuous

I sc

A

3.5

2.4

4.75

3.5

6.8

5.1

连续堵转转矩 Stall torque continuous

Tcs

N.m

0.23

0.23

0.46

0.46

0.68

0.68

电阻 /Resistance

R

Ohms ± 10%

0.6

1.2

0.52

1

0.36

0.6

电感 /Inductance

L

mH ± 20%

0.75

1.7

0.7

1.5

0.4

0.93

电势常数 /Voltage constant

K E

V/ Krpm

6.23

9.5

9.47

12.7

9.45

12.6

转距 常数 /Torque constant

K T

N.m/A

0.069

0.11

0.095

0.134

0.097

0.136

电子时间常数 /Electrical time constant

τ elec

Seconds

1.22

1.42

1.35

1.5

1.11

1.55

机械时间常数 /Mechanical time const.

τ mch

Seconds

1.3

1.3

0.85

0.85

0.6

0.6

转动惯量 /Rotor inertia

J

Kg.cm 2

0.3

0.3

0.6

0.6

0.9

0.9

极数 /Number of poles

N P

8

8

8

8

8

8

绝缘等级 /Winding class

B

B

B

B

B

B

电机重量 /Motor weight

Kg

0.65

0.65

1.0

1.0

1.4

1.4