U9M4
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The U9M4 is a compact servo motor weighing just 4.5 lbs (2.0 kg) and achieves a peak torque of 469 oz-in (331 N-cm). Made by Kollmorgen, it is part of the ServoDisc Pancake DC Motors, delivering a rated speed of 3000 RPM. The motor's rated power output is 113 Watts, featuring a cogging torque of 0 oz-in and static friction torque at 4.0 oz-in.
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Product Description:
U9M4 is a Kollmorgen servo motor from the ServoDisc U series. This motor can be used with an amplifier from the KXA Plus series or the EM19 linear amplifier series. Operators can order the motor with an integral or external tachometer. Additional options include optical encoders and fail-safe brakes. The motor has a Kollmorgen flat disc armature and low inertia design in a compact package. The motor supports exceptional speed control and low RFI. Brushes used on the motor require low maintenance. This flat motor is ideal for applications that require motors with compact dimensions and high torsional stiffness. The motor is designed to English dimensions rather than the metric equivalent. Its diameter is 4.37 inches. Diameter of the motor shaft is 0.4995 inches. Length of the motor is 1.84 inches and its weight is 2 kilograms.
Peak torque output of the U9M4 servo motor is 331 N-cm. As per manufacturer specifications, the rated speed is 3000 RPM and the maximum speed is 6000 RPM. The motor has 0 cogging torque. It continuous stall torque rating is 29 N-cm. Continuous torque ratings include 32 N-cm at 40 degrees Celsius and 36 N-cm at 25 degrees Celsius. Power output as per manufacturer specification is 113 Watts. Electrical specifications for the servo motor include 24.1 Volts terminal voltage, 8.7 Amps continuous current, 72 Amps peak current and 6.8 Amps continuous stall current. Resistance at the motor winding terminals is 0.85 Ohms and the armature resistance is 0.660 Ohms. The motor is a specialized piece of industrial equipment. Installation errors can lead to performance degradation and component failure. Therefore, only qualified personnel should install the servo motor.
Frequently Asked Questions about U9M4:
Q: Which amplifiers can be used with the motor?
A: Amplifiers from the KXA Plus and EM19 series can be used.
Q: What type of armature does the motor have?
A: The motor has a flat disc armature.
Q: Do the brushes require frequent replacement?
A: The brushes have a long life and don’t require frequency replacement.
Q: What is the maximum motor speed?
A: The maximum motor speed is 6000 RPM.
Q: What is the weight of the motor?
A: Weight of the motor is 2 kilograms.
