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Omron R88M-K R88M-K4K020F-BS2

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R88M-K4K020F-BS2

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The Omron R88M-K4K020F-BS2 is an AC servo motor designed for precision automation tasks. It operates at 400 V input and features a 20-bit incremental encoder for accurate position feedback.

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Technical specifications for R88M-K4K020F-BS2

ManufacturerOmron
Product LineR88M-K
Part NumberR88M-K4K020F-BS2
Weight12.00 lbs (5.44 kg)
Motor TypeAC Servo Motor
Radiator Plate Size470 × 440 × t30 mm (aluminum)
Insulation SpecificationClass F
Power Density94.5 kW/s (with brake)
Operating Voltage400 V
Encoder Type20-bit incremental encoder
Integrated BrakeYes
Shaft ConfigurationStraight, keyed, tapped (standard)
Current Ratings10.6 A (Rated); 45 A (Peak)
Speed Specifications2000 rpm (Rated); 3000 rpm (Peak)
Torque Specifications19.1 Nm (Rated); 57.3 Nm (Peak)
Load CapacitiesRadial: 784 N; Thrust: 343 N
Rotor Inertia38.6 × 10⁻⁴ kg·m² (with brake)
Time ConstantsMechanical: 0.61 ms; Electrical: 21 ms
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The R88M-K4K020F-BS2 model from Omron is a highly efficient AC servo motor suited for various applications in automation. Operating at a voltage of 400 V, it incorporates a 20-bit incremental encoder, ensuring precision in motion control. The total weight of this motor is approximately 18.7 kg when considering the integrated brake.

This unit is built with a robust aluminum radiator plate measuring 470 × 440 × t30 mm, designed to effectively manage heat dissipation during operation. The motor meets Class F insulation specifications, emphasizing its reliability in demanding environments.

The motor can deliver significant performance with a power density of 94.5 kW/s. The rated current is recorded at 10.6 A, while it can handle peak currents up to 45 A. Regarding speed capabilities, it operates at a rated speed of 2000 rpm and can reach a peak speed of 3000 rpm. The torque values are also noteworthy: it provides a rated torque of 19.1 Nm, while the peak torque goes up to 57.3 Nm.

Regarding load capacities, the motor is designed to support radial loads of up to 784 N and thrust loads of 343 N. The rotor inertia is specified at 38.6 × 10⁻⁴ kg·m² with brake engagement, enabling effective dynamics in movement. The motor's mechanical time constant is rated at 0.61 ms, while the electrical time constant is calculated at 21 ms, reflecting its performance responsiveness in rapid applications.