MAC025C-0-QS-4-E/040-B-0/WI673LV
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The MAC025C-0-QS-4-E/040-B-0/WI673LV is a high-performance AC servo motor designed for demanding industrial automation applications. With a continuous torque at standstill of 1.5 Nm (1.7 Nm with surface cooling) and a continuous current at standstill of 3.6 A (4.0 A with surface cooling), this motor delivers exceptional power and responsiveness.
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Product Description:
The MAC025C-0-QS-4-E/040-B-0/WI673LV servo motor is a high-precision component from the MAC AC Servo Motors series by Bosch Rexroth Indramat. It’s designed with a 3-phase AC system and operates on the principle of electromagnetic induction, converting electrical energy into controlled mechanical motion. It’s classified as “Servo performance” because it can follow commanded positions or speeds. The closed loop control system inside the motor allows for real-time feedback adjustments to minimize deviations from the desired motion profile and increase accuracy in automation. This servo motor can operate in Position and Synchronous mode. In position mode, it moves to and holds specific angular positions with high accuracy, and in synchronous mode, it rotates at a constant speed synchronized with an external reference. It’s suitable for a wide range of applications, including robotic systems, conveyor mechanisms and rotary tables.
The continuous current at a standstill of 3.6 A (or 4.0 A with surface cooling) ensures torque is delivered continuously and balances efficiency and thermal stability. The rotor moment of inertia of 2.4 × 10⁻⁴ kgm² plays a big role in defining the motor’s dynamic response. A lower inertia means faster acceleration and deceleration making it very responsive in applications that require fast and precise movements like pick-and-place robotics and high-speed machining. The torque constant at 20°C of 0.42 Nm/A shows the motor’s efficiency in converting electrical input into mechanical output, minimizing energy consumption and heat generation. The winding resistance of 4.1 Ohm and winding inductance of 3.9 mH affect power consumption and smooth operational dynamics, both of which are important for reliable performance over long usage.
This motor is built to withstand harsh conditions, it has a peak pulse current of 19 A to handle sudden power surges, especially during rapid speed or direction changes. The thermal time constant of 30 minutes (or 15 minutes with surface cooling) allows for controlled heat dissipation to prevent thermal overload. The black prime coat (RAL 9005) finish adds corrosion resistance and environmental stress resistance. The tacho-generator’s voltage constant of 0.0143 Vs/rad (or 1.5 V/1000 min⁻¹) ensures accurate speed feedback and stable rotational control. All these advanced engineering and performance parameters make the servo motor the perfect solution for high-precision automation and motion control applications. It can produce a continuous torque at a standstill of 1.5 Nm (or 1.7 Nm with surface cooling) so it can hold loads in a fixed position or generate the initial force for movement.
Frequently Asked Questions about MAC025C-0-QS-4-E/040-B-0/WI673LV:
Q: What is the continuous torque at standstill of this motor?
A: The motor delivers a continuous torque at standstill of 1.5 Nm (1.7 Nm with surface cooling). This allows it to maintain strong power even at low speeds.
Q: What is the continuous current at standstill of the motor?
A: The continuous current at standstill is 3.6 A (4.0 A with surface cooling), enabling sustained high power without overheating.
Q: What type of operation does the motor support?
A: The MAC025C-0-QS-4-E/040-B-0/WI673LV supports position and synchronous operation, ideal for precise positioning and speed control in automated systems.
Q: How does the motor ensure precise motion control?
A: The motor utilizes a tacho-generator for speed feedback and a thermal time constant to optimize thermal management, ensuring stable and accurate operation.
Q: What is the rotor moment of inertia for this motor?
A: The rotor moment of inertia is 2.4 x 10⁻⁴ kgm², which contributes to efficient dynamic performance and quick response times.
