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Pmi/kollmorgen U12M4/9FA4T servodisc dc motor nice


Article Sent By: Peggy_pate@machine--tools.com (Peggy Pate)
Peggy Pate is presenting: Pmi/kollmorgen U12M4/9FA4T servodisc dc motor nice
PMI KOLLMORGEN U12M4/9FA4T SERVODISC DC MOTOR (1115055111)
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PMI Kollmorgen U12M4/9AF4T ServoDisc DC Motor
* Manufacturers Lead Time: 10 to 12 weeks
* 38.3 to 402.5 oz-in. continuous torque
* Motor lengths less than 2”
* 4.37” to 7.37” OD Round Frame
U-Series ServoDisc™ DC motors employ the unique Kollmorgen/PMI flat disc armature. The ironless, low inertia armature delivers high acceleration and zero cogging in an exceptionally compact package.
* Extremely good speed control with zero cogging and low RFI
* Flat ServoDisc™ motors are ideal for many applications:
* Save space and weight in applications requiring a low profile motor
* Large torsional stiffness for precision control of speed and acceleration
* Peak Torque: 1316 oz-in, 929 N-cm
* Rated Continuous Torque @ 25° Celsius: 128 oz-in, 91 N-cm
* Rated Continuous Torque @ 40° Celsius: 114 oz-in, 81 N-cm
* Maximum Recommended Speed: 6000
* Continuous Stall Torque: 122 oz-in, 86 N-cm
* Rated Terminal Voltage: 43.4 Volts
* Rated Continuous Current: 8.8 Amps
* Continuous Stall Current: 8.1 Amps
* Terminal Resistance ±10%: 0.750 Ohms
* Armature Resistance ±10%: 0.610 Ohms
* Back EMF Constant ±10%: 11.55 V/KRPM
* Torque Constant ±10%: 15.63 oz-in Amp, 11.04 N-cm Amp
* Viscous Damping Constant: 1.8 oz-in/KRPM, 1.3 N-cm/KRPM
* Temperature Coefficient of KE: -0.02%/° Celsius Rise
* Number of Cummutator Bars: 141
* Moment of Inertia: 0.0190 oz-in-sec², 1.34 kg-m²
* Static Friction Torque: 5.5 oz-in, 3.9 N-cm
* Diameter: 5.50” in, 139.7 mm
* Peak Acceleration: 69.2 kRad/s²
* Mechanical Time Constant: 6.68 ms
* Electrical Time Constant: <0.16 ms
* Continuous Power Rate: 6.1 kW/sec
* Thermal Resistance at Rated Speed: 1.27° Celsius/Watt
* Thermal Resistance at Stall: 1.90° Celsius/Watt
* Forced Air Thermal Resistance – with 2.0 lbs/min Forced Air: 0.23° Celsius/Watt
Type 9FA4T Low Cost Analog Tachometer Characteristics: < /B>
* Ripple Voltage Max (P-P) (1): 5.0% @ 1000 RPM, 5.0% @ 500 RPM, 5.0% @ 100 RPM
* Linearity of Output Voltage (Rated at 3600 RPM): .06%
* Bi-directional Tol (diff. in output V/KRPM): 3.0%
* Output Impedance (Resistive): 1.18 Ohms
* Temperature Coefficient Output Voltage: -.19%/° Celsius Rise
* Load Resistance (Recommended Min.): 1180 Ohms
* Number of Cummutator Bars: 117
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Pmi/kollmorgen U12M4/9FA4T servodisc dc motor nice