N9M4T

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The N9M4T motor boasts a peak torque of 692 oz-in, a rated continuous current of 7.10 amps, a rated speed of 3000 RPM, and a terminal resistance of 0.850 Ohms. Part of the ServoDisc Pancake DC Motors manufactured by Kollmorgen, it outputs a rated power of 126 watts and has a maximum recommended speed of 6000 RPM.

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Product Description:

The N9M4T motor designed by Kollmorgen has an integrated tachometer. This motor can operate with constant torque at multiple speeds. The product portrays more moves per second and a short cycle time. This device poses no risk of arcing as there is no iron in the armature. The unit has a flat motor package because of its armature design. It has a low electrical time constant. This motor can produce extra torque when needed for rapid acceleration and deceleration.

The product has ten times more acceleration than a conventional servomotor. This device uses a combination of neodymium-iron-boron for its magnets. The unit depicts an axial magnetic field because the magnets are placed on the endplates. Its conductors feature a current flow perpendicular to the magnetic field. This motor has absolutely no cogging irrespective of the speed at which it is operated. The product is not prone to wear and tear easily because there is no arcing. This device portrays a high-speed capability. The unit has high throughput due to its fast acceleration. It is installed in medical equipment such as imaging systems and surgical robots.

This motor can be used in confined spaces where traditional cylindrical motors do not fit because of their large size. The product portrays smooth operation with minimized vibration. This device is also called a pancake motor because the flat profile looks like a pancake. The unit has a high power output. It can be easily incorporated into office automation equipment to meet any business requirements. This motor is associated with a high level of portability and reliability as well as superior performance that makes it a good choice for critical applications.

Back Emf Constant
7.10 V/KRPM
Continuous Stall Torque
62 oz-in / 44 N-cm
Maximum Recommended Speed
6000 RPM
Peak Current
77 Amps
Peak Torque
692 oz-in / 489 N-cm
Rated Continuous Current
7.10 Amps
Rated Continuous Torque @ 25°c
57 oz-in / 40 N-cm
Rated Continuous Torque @ 40°c
52 oz-in / 37 N-cm
Rated Power Output
126 Watts
Rated Speed
3000 RPM
Rated Terminal Voltage
28.0 Volts
Temperature Coefficient Of Ke
-0.10 %/°C Rise
Terminal Resistance
0.850 Ohms
Torque Constant
9.60 oz-in/Amp / 6.78 N-cm/Amp
Viscous Damping Constant
1.1 oz-in/KRPM / 0.8 N-cm/KRPM

Frequently Asked Questions about N9M4T:

Q: What feedback does the N9M4T motor support?

A: The N9M4T motor supports encoder feedback.

Q: Why can the N9M4T motor be used for military applications?

A: The N9M4T motor can be used for military applications because of its reliability and rugged design.

Q: Why do the brushes of the N9M4T motor have a long life?.

A: The brushes of the N9M4T motor have a long life because of the ironless armature.

Q: Why does the N9M4T motor have a perfect rotation?

A: The N9M4T motor has a perfect rotation because of its rapid response and zero cogging.

Q: At what speed does the N9M4T motor have full torque?

A: The N9M4T motor has full torque from 0 to full speed.


Internal Product Review

  • ‘‘The N9M4T motor is a good choice for robot axis drives and robotic positioning tables because of its high torque and compact size. It can operate at low speeds without any cogging. This motor has a high degree of responsiveness.’’

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