JR25M6CH
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The JR25M6CH motor weighs 4.5 pounds and has a rated terminal voltage of 22.9 Volts. Kollmorgen's ServoDisc Pancake DC Motors motor delivers a continuous stall current of 6.8 Amps and features a peak current of 72 Amps. It boasts an armature inductance of less than 100 µH and a torque constant of 6.09 oz-in/Amp.
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Product Description:
JR25M6CH is a ServoDisc JF-Series industrial motor. It is designed and manufactured by Kollmorgen for applications that require speed control with minimal cogging, low space requirements, and torsional stiffness. These motors have a long brush life that reduces maintenance requirements and improves motor and system reliability. For industrial deployments, the motors must be used in combination with a KXA Plus series amplifier. Available options for these motors include optical encoders, gear reducers, resolvers and fail-safe brakes. Peak torque rating of the JR25M6CH motor is 114.7 N-cm. The nominal speed is 3000 RPM and the maximum recommended speed is 5000 RPM. Power output rating of the motor unit is 4268 Watts or 5.72 Horsepower. Continuous torque varies with temperature: it is 13.7 Nm at 25 degrees and 12.1 N-cm at 40 degrees Celsius.
Cogging torque of the JR25M6CH motor is zero and the continuous stall torque is 12.5 N-cm. The rated terminal voltage of the motor unit is 150 Volts, the rated continuous current is 31.6 Amps and the peak current is 250 Amps. Value for continuous stall current is 28 Amps. Specifications for the motor winding include 0.21 Ohms terminal resistance, 0.16 Ohms armature resistance, 48 V/KRPM back EMF constant, 45.9 N-cm/Amp torque constant, 23.3 N-cm/KRPM viscous damping constant, less than 40 microhenry armature inductance, and 193 commutator bars. Weight of the motor unit is 31.8 kg/70 lbs and its length is 196.9 millimeters. Diameter of the industrial motor is 279.4 millimeters. Kollmorgen has designed the unit for handling by trained personnel. Improper handling or installation can lead to equipment damage and injury to working personnel. All personnel must implement safety and operating instructions recommended by Kollmorgen.
Frequently Asked Questions about JR25M6CH:
Q: What is the motor cogging torque?
A: Cogging torque of the motor is zero.
Q: Do the brushes require frequent replacement?
A: The brushes have a long life and don’t require frequency replacement.
Q: What is the peak motor speed?
A: The peak motor speed is 5000 RPM.
Q: What is the continuous power rate?
A: The continuous power rate is 37.8 kW/sec.
Q: What is the mechanical time constant?
A: Mechanical time constant of the motor is 3.8 ms.
