MELSERVO-J4

Rotary Servo Motors

HG-SR 1000 r/min Series Electromagnetic Brake Specifications (Note 1) Model HG-SR 51B 81B 121B 201B

Servo Amplifiers Rotary Servo Motors Linear Servo Motors Product List LVS/Wires Cautions Direct Drive Motors Options/Peripheral Equipment

301B

421B

Type

Spring actuated type safety brake

0 %

Rated voltage

24 V DC -10

Power consumption

[W] at 20 °C 20

20

34 44

34 44

34 44

34 44

Electromagnetic brake static friction torque Permissible braking work Per braking

[N•m]

8.5 400

8.5 400

[J] [J]

4500 45000 20000

4500 45000 20000

4500 45000 20000

4500 45000 20000

Per hour

4000

4000

Number of braking times Work per braking [J]

20000

20000

Electromagnetic brake life (Note 2)

200

200

1000

1000

1000

1000

Notes: 1. The electromagnetic brake is for holding. It should not be used for deceleration applications. 2. Brake gap is not adjustable. Electromagnetic brake life is defined as the time period until the readjustment is needed.

HG-SR 1000 r/min Series Torque Characteristics

HG-SR51(B) (Note 1, 2, 3, 4)

HG-SR81(B) (Note 1, 3, 4)

HG-SR121(B) (Note 1, 3, 4)

15

30

40

30 Short-duration running range

Short-duration running range

Short-duration running range

10

20

20

5

10

10

Continuous running range

Torque [N•m]

Torque [N•m]

Torque [N•m]

Continuous running range

Continuous running range

0

0

0

500 1000 1500

500 1000 1500

500 1000 1500

Speed [r/min]

Speed [r/min]

Speed [r/min]

HG-SR201(B) (Note 1, 3, 4)

HG-SR301(B) (Note 1, 4)

HG-SR421(B) (Note 1, 4)

60

90

150

Short-duration running range

Short-duration running range

Short-duration running range

40

60

100

20

30

50

Continuous running range

Continuous running range

Torque [N•m]

Torque [N•m]

Torque [N•m]

Continuous running range

0

0

0

500 1000 1500

500 1000 1500

500 1000 1500

Speed [r/min]

Speed [r/min]

Speed [r/min]

Notes: 1.

: For 3-phase 200 V AC. : For 1-phase 230 V AC.

2. 3.

: For 1-phase 200 V AC. This line is drawn only where differs from the other two lines.

4. Torque drops when the power supply voltage is below the specified value.

HG-SR 1000 r/min Series Special Shaft End Specifications Motors with the following specifications are also available.

Key shaft (without key) (Note 1, 2)

R

Q

Variable dimensions

Model

S

R Q W QK QL U r

Y

U

QK

QL

24h6 55 50 8 0

+0.2 0 +0.2 0

HG-SR51(B)K, 81(B)K

-0.036 36 5 4 0 -0.036 55 5 5

4 M8

A

screw Depth: 20

HG-SR121(B)K, 201(B)K, 301(B)K, 421(B)K 5 Notes: 1. The servo motors with special shaft end are not suitable for frequent start/stop applications. 2. A key is not supplied with the servo motor. The key shall be installed by the user. 35 +0.010 0 79 75 10

W

øS

A

Y

r

A-A

[Unit: mm]

2-16