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Omron R88M-K R88M-K4K030C-B

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R88M-K4K030C-B

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The R88M-K4K030C-B model from Omron is an AC servomotor engineered for high-performance applications. It delivers a rated output of 4000 watts at a voltage of 400 V while maintaining a rated current of 9.9 A, with a maximum momentary current of 42 A.

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Technical specifications for R88M-K4K030C-B

ManufacturerOmron
Product LineR88M-K
Part NumberR88M-K4K030C-B
Weight12.00 lbs (5.44 kg)
Motor TypeAC Servomotor
Encoder17-bit Absolute Encoder
Voltage400 V
Rated Output4000 W
Current9.9 A (Rated); 42 A (Max Momentary)
Speed3000 rpm (Rated); 4500 rpm (Max)
Torque12.7 Nm (Rated); 38.2 Nm (Max Momentary)
Mechanical Time Constant0.56 ms
Electrical Time Constant13 ms
Rotor Inertia14.2 × 10⁻⁴ kg·m²
Load InertiaUp to 15× Rotor Inertia (Max)
Allowable LoadsRadial: 784 N; Thrust: 343 N
Torque Constant0.98 Nm/A
Radiator Plate Dimensions380 × 350 × 30 mm (Aluminum)
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The Omron R88M-K4K030C-B AC servomotor is designed for high-efficiency tasks in various applications. This motor operates at a voltage of 400 V and boasts a rated output of 4000 watts. With a rated current of 9.9 amps, it can temporarily handle a maximum current of 42 amps. The motor performs at a rated speed of 3000 rpm, reaching a peak of 4500 rpm, facilitating rapid movements.

Torque parameters for this model show a rated torque of 12.7 Nm, while it can unleash up to 38.2 Nm during maximum momentary conditions. Weighing approximately 12.6 kg, the motor possesses a mechanical time constant of 0.56 milliseconds, indicating its responsiveness, while the electrical time constant is noted at 13 milliseconds. The rotor inertia measures 14.2 × 10⁻⁴ kg·m², which is suitable for setups that require rotational stability.

The design of the motor allows for load inertia up to 15 times the rotor inertia, ensuring adaptability for various applications. It has a radial load capacity of 784 N and can support thrust loads of 343 N. The torque constant is specified as 0.98 Nm/A, providing essential data for drive control calculations. Additionally, an aluminum radiator plate accompanies the motor, with dimensions of 380 × 350 × 30 mm, helping with thermal management and durability in operational environments.