14mm Dia x 40mm Length BL1440 Slotless BLDC Motor

Specifications

Series No: BL1440 –          –               –  P    2
No.

Testing Item

Tested Values

Unit

1

Nominal voltage

UN

10

10

 

 

 

V

2

Terminal resistance, phase to phase

R

5.5

1.9

 

 

 

Ω

3

Output power

P2max

4.06

12.23

 

 

 

W

4

Efficiency

ηmax

59

66

 

 

 

%

5

No-load speed

no

12880

22560

 

 

 

rpm

6

No-load current

Io

0.1

0.19

 

 

 

A

7

Stall torque

MH

12.04

20.70

 

 

 

mNm

8

Friction torque

MF

0.70

0.78

 

 

 

mNm

9

Speed constant

kn

1362.96

2340.49

 

 

 

rpm/V

10

Back-EMF constant

kE

0.73

0.43

 

 

 

mV/rpm

11

Torque constant

kM

7.01

4.08

 

 

 

mNm/A

12

Current constant

kI

0.14

0.25

 

 

 

A/mNm

13

Slope of n-M curve

Δ n/ ΔM

1069.94

1089.92

 

 

 

rpm/mNm

14

Mechanical time constant

τ m

4.48

4.57

 

 

 

ms

15

Rotor inertia

J

0.40

0.40

 

 

 

gcm2

16

Angular acceleration

αmax

300.95

517.47

 

 

 

103rad/s2

17

Sensor

 

Sensorless

 

18

Driver

 

DR1802

 

19

Weight

 

40

g

20

Operating temperature range

 

-30 ~+85

21

Commutation

 

Electronically commutation

22

Ball Bearing

 

NMB & EZO

23

Housing material

 

Aluminum, black anodized

24

Magnet material

 

Sintered Nd-Fe-B

25

Direction of rotation

 

Electronically reversible

The Operating Data For η max of Customer’s Specifications

26

Output Power

P2opt

2.97

7.63

 

 

 

W

27

Efficiency

ηopt

59

66

 

 

 

%

28

Speed

nopt

9773

18194

 

 

 

rpm

29

Load Current

Iopt

0.51

1.17

 

 

 

A

30

Operating Torque

Mopt

2.90

4.01

 

 

 

mNm

 

Performance Curves

Operating Curve

Performance Curves – NT Testing Curve

NT Curve

Outline Drawing – Motor Only

Outside Drawing(BL1440)

VLUU L210 / Samsung L210

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