N9M4

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The Kollmorgen N9M4 motor is part of the ServoDisc Pancake DC Motors, boasting a peak torque of 760 oz-in (537 N-cm). It operates at a rated speed of 3000 RPM with a maximum recommended speed of 6000 RPM and delivers a rated power output of 153 Watts. The motor has a rated terminal voltage of 30 Volts.

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Product Description:

Offered by Kollmorgen, the N9M4 motor has continuous torque. This motor does not have iron in its armature. The product features high-energy magnets. This device is associated with an axial magnetic field. The unit is best known for its high performance. Its thin armature delivers an exceptional torque-to-inertia life. This motor is recommended for incremental motion applications.

The product produces torque almost as soon as it is powered up. This device has a peak current that is around times its continuous current. The unit delivers cog-free rotation and high responsiveness in process control applications. It has a compact and rugged design. This motor is easy to design when compared to standard servomotors. The product makes multiple moves in a brief period. This device offers trouble-free commutation over a vast speed range. The unit helps in maintaining precise speed lock in recording equipment. It helps to boost the productivity in any application.

This motor is easily portable because of its small and lightweight design. The product is characterized by a round frame. This device supports encoder feedback. The unit features a maximum speed of 6000 RPM. It uses copper conductors in place of iron in its armature. This motor portrays a torque constant of 14.41 N-cm/A with a tolerance limit of +/-10%. The product does not have any tachometer in its construction. This device has a peak torque based on a pulse duration of not more than 50 ms. The unit encompasses permanent magnets that produce an axial magnetic field on its endplates. Its ironless armature gives the motor a lightweight profile and a long life for its brushes. This motor is primarily operated in incremental motion control applications because of its high throughput.

Armature Inductance
<0.03 µH
Back Emf Constant
7.60 V/KRPM
Diameter
4.37 in (111.0 mm)
Length
0.94 in (23.9 mm)
Maximum Recommended Speed
6000 RPM
Peak Current
79 Amps
Peak Torque
760 oz-in (537 N-cm)
Rated Continuous Current
7.80 Amps
Rated Continuous Torque @ 25°c
69 oz-in (49 N-cm)
Rated Continuous Torque @ 40°c
63 oz-in (44 N-cm)
Rated Power Output
153 Watts
Rated Speed
3000 RPM
Rated Terminal Voltage
30.0 Volts
Terminal Resistance
0.850 Ohms
Torque Constant
10.30 oz-in/Amp (7.27 N-cm/Amp)

Frequently Asked Questions about N9M4:

Q: Why does the N9M4 motor have precise acceleration control?

A: The N9M4 motor has precise acceleration control because of large torsional stiffness.

Q: What are the magnets in the N9M4 motor made of?

A: The magnets in the N9M4 are made of a neodymium-iron-boron combination.

Q: Why does the N9M4 motor have high acceleration?

A: The N9M4 motor has high acceleration because of the low inertia and ironless armature.

Q: What advantage does the large torsional stiffness of the N9M4 motor provide?

A: The large torsional stiffness of the N9M4 motor helps to achieve precise acceleration and speed control.

Q: What amplifiers can be used with the N9M4 motor?

A: The EM19 linear and KXA Plus amplifiers can be used with the N9M4 motor.


Internal Product Review

  • ‘‘The N9M4 motor delivers high acceleration with its low inertia armature. It has an ultra-thin compact size. This motor features a space-saving design allowing it to be used in places where space is a problem.’’

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