U12M4

Name: U12M4
Brand: Kollmorgen
Price: 338 USD
Rating: 4.6 (22 reviews)

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The Kollmorgen U12M4 motor, part of the ServoDisc Series, delivers a remarkable peak torque of 1316 oz-in. This motor achieves a rated continuous current of 8.8 Amps, a rated speed of 3000 RPM and a peak current of 85 Amps. It features a cogging torque of 0 oz-in for smooth operation.

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Description
Specs
FAQ

Product Description

The model U12M4 is a high performance DC motor manufactured by Kollmorgen. It is designed for demanding industrial applications requiring robust torque, high efficiency and reliability. The motor features a peak torque of 1316 oz-in and a rated speed of 3000 RPM to deliver a continuous power output of 284 watts.

This ServoDisc series DC motor operates at a rated terminal voltage of 43.4 volts and can handle a continuous current of 8.8 amps under normal load conditions. It is capable of reaching a peak current of 85 amps during short bursts of high power demand. The motor delivers a rated continuous torque of 128 oz-in and a continuous stall torque of 122 oz-in for both standard and heavy duty tasks. It is designed to perform at high rotational speeds while maintaining operational efficiency with a maximum recommended speed of 6000 RPM. The motor features a static friction torque of 5.5 oz-in which aids in smoother startup and reduced wear during initial operation. The motor offers a good balance between performance and durability with a total weight of 8 lbs. It also benefits from a low continuous stall current of 8.1 amps which ensures reliable performance even under heavy loads.

The U12M4 DC motor has a terminal resistance of 0.750 ohms (± 10 %) and an armature resistance of 0.610 ohms (± 10 %). The armature inductance is less than 100 µH which helps minimize electrical losses and enhances motor response. The viscous damping constant is 1.8 oz-in/KRPM that contributes to smoother operation by reducing oscillations. The motor's moment of inertia is 0.0190 oz-in-sec² which ensures quick acceleration and deceleration for precise control in dynamic applications.

U12M4 Technical Specifications

Peak Torque:	1316 oz-in (929 N-cm)
Rated Continuous Current:	8.8 Amps
Peak Current:	85 Amps
Continuous Stall Current:	8.1 Amps
Back Emf Constant:	11.55 V/KRPM
Torque Constant:	15.63 oz-in/Amp (11.04 N-cm/Amp)
Moment Of Inertia:	0.0190 oz-in-sec² (1.34 kg-m²)
Rated Speed:	3000 RPM
Rated Continuous Torque @ 25°c:	128 oz-in (91 N-cm)
Rated Continuous Torque @ 40°c:	114 oz-in (81 N-cm)
Rated Power Output:	284 Watts
Maximum Recommended Speed:	6000 RPM
Continuous Stall Torque:	122 oz-in (86 N-cm)
Cogging Torque:	0 oz-in
Rated Terminal Voltage:	43.4 Volts

Frequently Asked Questions about U12M4

Q: What is the peak torque of the Kollmorgen U12M4 DC motor?

A: The Kollmorgen U12M4 has a peak torque of 1316 oz-in. This allows for exceptional power delivery during high-torque applications.

Q: What is the maximum speed capability of the U12M4 DC motor?

A: The U12M4 DC motor can achieve a maximum speed of 6000 RPM. This high rotational speed supports applications requiring both rapid acceleration and continuous performance.

Q: What is the continuous current rating of the U12M4 motor under normal load conditions?

A: The U12M4 motor operates with a continuous current of 8.8 amps at its rated terminal voltage of 43.4 volts. This ensures stable performance under standard load conditions.

Q: How does the U12M4 handle high power demand?

A: The U12M4 can handle short bursts of high power demand with a peak current of 85 amps. This capability is ideal for applications that require brief but intense performance.

Q: What is the moment of inertia of the U12M4 motor and how does it impact performance?

A: The U12M4 has a moment of inertia of 0.0190 oz-in-sec². This low inertia allows for quick acceleration and deceleration, ensuring precise control in dynamic systems.

Internal Product Review

‘‘The Kollmorgen U12M4 DC motor stands out with its impressive continuous power output of 284 watts and high peak current capacity of 85 amps. It has a rated speed of 3000 RPM and a maximum speed of 6000 RPM. It is engineered for demanding applications requiring both reliability and performance.’’