MELSERVO-J4

Direct Drive Motors

TM-RFM Series Specifications Direct drive motor model

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

TM-RFM 012G20

048G20

072G20

040J10

120J10

240J10

MR-J4-

Compatible servo amplifier model Motor outer diameter (frame dimensions) Power supply capacity *1

Refer to "Combinations of Direct Drive Motor and Servo Amplifier" on p. 4-2 in this catalog.

MR-J4W_-

[mm] [kVA]

ø230

ø330

0.71 251

2.7

3.8

1.2 419

3.4

6.6

Rated output

[W]

1005

1508

1257

2513

Continuous running duty

Rated torque (Note 3) [N•m]

12 36

48

72

40

120 360 100 200 230

240 720

Maximum torque

[N•m] [r/min] [r/min] [r/min]

144 200 500 575

216

120

Rated speed

Maximum speed

Permissible instantaneous speed Power rate at continuous rated torque

[kW/s]

6.0 3.6

37.5

59.3

9.4 4.3 13 125 313

40.9

91.4

Rated current Maximum current

[A] [A]

11 33

16 48

11 33

19 57

11

Regenerative braking frequency *2

MR-J4-

[times/min] [times/min]

202 507 238

373

251

281

171

MR-J4W_-

-

-

-

-

Moment of inertia J

[× 10 -4 kg•m 2 ]

615

875

1694

3519

6303

Recommended load to motor inertia ratio (Note 1)

50 times or less

Absolute accuracy (Note 5) Speed/position detector

[s]

±12.5

±10

Absolute/incremental 20-bit encoder *3 (resolution: 1048576 pulses/rev)

Thermistor

Built-in 155 (F)

Insulation class

Structure

Totally enclosed, natural cooling (IP rating: IP42) (Note 2)

Ambient temperature Ambient humidity

Operation: 0 °C to 40 °C (non-freezing), storage: -15 °C to 70 °C (non-freezing) Operation: 10 %RH to 80 %RH (non-condensing), storage: 10 %RH to 90 %RH (non-condensing)

Indoors (no direct sunlight); no corrosive gas, inflammable gas, oil mist, dust or splash of oil or water

Ambience

Environment *4, *8

Altitude

2000 m or less above sea level (Note 4)

Vibration resistance *5

X: 49 m/s 2 Y: 49 m/s 2

X: 24.5 m/s 2 Y: 24.5 m/s 2

Vibration rank

V10 *7

Compliance with global standards

Refer to "Compliance with Global Standards and Regulations" on p. 55 in this catalog.

Rotor permissible load *6

Moment load

[N•m]

93

350

Axial load

[N]

5500

16000

Mass

[kg]

17

36

52

53

91

146

Notes: 1. Contact your local sales office if the load to motor inertia ratio exceeds the value in the table. 2. Connectors and a gap along the rotor (output shaft) are excluded. 3. When unbalanced torque is generated, such as in a vertical lift machine, be sure to use the absolute position detection system, and keep the unbalanced torque under 70% of the servo motor rated torque. 4. Refer to "TM-RFM TM-RG2M TM-RU2M Direct Drive Motor Instruction Manual" for the restrictions when using the direct drive motors at altitude exceeding 1000 m and up to 2000 m above sea level.

5. Absolute accuracy varies according to the mounting state of load and the surrounding environment. Refer to "Annotations for Direct Drive Motor Specifications" on p. 4-8 in this catalog for the asterisks 1 to 8.

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