LSM75-21-602-M-0KA

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The LSM75-21-602-M-0KA brushless servo motor delivers a peak torque of 8.8 Nm, operates at speeds up to 6000 rpm, has a winding resistance of 2.26 ohms at 25°C, and features 8 poles. Part of the LSM Brushless Servo Motors series by Kollmorgen, it is crafted with a steel shaft and weighs 3.1 kilograms.

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Product Description:

Kollmorgen manufactures the LSM75-21-602-M-0KA Brushless Servo Motor which belongs to their LSM75 line series. It is designed to provide steady torque and rotational speed that meet the needs of many automatic systems that need to control motion. The motor functions efficiently to provide motion control with consistent response when applied in certain control system applications.

This LSM75-21-602-M-0KA servo motor delivers 8.8 Nm maximum torque and steady torque output of 2.36 Nm. The motor has the capacity to operate at a maximum speed of 6000 rpm, enabling it to operate at a high rate of speed and recurrent use. As little as 5.5 A flows through it, and as much as 21.6 A flows through it at its peak. The torque constant is 0.42 Nm/Amp, which makes sure that the torque generated per amp of input is always the same. For servo control, the back-EMF features need a voltage constant of 49 V/kRPM. The eight poles within the motor promote smooth power generation. The 2.26 Ohm resistance and 17.9 mH inductance exist in the wire. A moment of inertia value at 0.00033 kg-m² in the rotor helps reduce reaction lag during speed changes. Its net weight of 3.1 kg makes it suitable for use in tight spaces.

The shaft is more durable and less susceptible to bending when subjected to a load due to the steel used in its construction. The flange dimensions for the LSM75-21-602-M-0KA servo motor are a = 70 mm, b = 60 mm, c = 8 mm, e = 75 mm, f = 2.5 mm, and i2 = 23 mm. These measurements help make sure that everything is lined up correctly during fitting. The Kollmorgen servo motor can be used in industrial automation settings that need controlled movements and consistent drive.

Ke Voltage Constant (v/krpm)
49
Kt (nm/amp)
0.42 Nm/Amp
Maximum Current (amps Peak)
21.6
Motor Net Weight (kg)
3.1 kg
Motor Net Weight (lb)
6.8 lb
Peak Torque (in-lb)
78 In-lb
Peak Torque (nm)
8.8 Nm
Poles
8
Rotor Moment Of Inertia (kg-m²)
0.000033
Rotor Moment Of Inertia (lb-in-s²)
0.00029
Shaft Material
Steel
Speed (rpm)
6000
Stall Current (amps Peak)
5.5
Winding Inductance (mh)
17.9
Winding Resistance (ohm @ 25°c)
2.26

Frequently Asked Questions about LSM75-21-602-M-0KA:

Q: How does LSM75-21-602-M-0KA maintain speed control?

A: It uses a 49 V/kRPM voltage constant. This helps maintain consistent back-EMF for precise velocity regulation.

Q: Why does LSM75-21-602-M-0KA need 17.9 mH inductance?

A: The inductance controls current rise time. It enhances motor stability by preventing rapid current spikes during operation.

Q: How does LSM75-21-602-M-0KA handle high acceleration?

A: It features a low rotor inertia of 0.00033 kg-m². This enables quick response and efficient acceleration or deceleration cycles.

Q: Does LSM75-21-602-M-0KA support peak current loads?

A: Yes, it supports up to 21.6 A peak current. This allows short bursts of torque during high-demand conditions.

Q: Do the flange dimensions affect LSM75-21-602-M-0KA fitment?

A: Yes, they ensure compatibility with specific mounting configurations. Accurate flange sizing improves alignment and reduces installation errors.


Internal Product Review

  • ‘‘The LSM75-21-602-M-0KA offers consistent torque with a 2.36 Nm continuous rating and 6000 rpm speed. It supports 21.6 A peak current and uses an 8-pole design for efficient motion. The motor delivers stable operation with a winding inductance of 17.9 mH. It ensures durability with a 3.1 kg construction. It operates with a stall current of 5.5 A and can handle a peak current of up to 21.6 A.’’

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