NEMA 23 Bipolar 1.8deg 0.52Nm(72.2oz.in) 2.8A 2V 57x57x41mm 4 Wires Stepper Motor

NEMA 23 Bipolar 1.8deg 0.52Nm(72.2oz.in) 2.8A 2V 57x57x41mm 4 Wires Stepper Motor

Manufacturer Part Number: 57H041H-2804
Frame Size: 57x57mm
Motor Type: Bipolar Stepper motor
Step Angle: 1.8deg
Holding Torque: 0.52 Nm(72.2oz.in)
Rated Current/phase: 2.8A
Voltage: 2V
Phase Resistance: 0.7ohms
Inductance: 1.4mH ± 20%(1KHz)
Body Length: 41mm

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Product Introduction

Technical Parameter

Item

Specifications

Step Angle Accuracy

±5%

Resistance Accuracy

±10%

Inductance Accuracy

±20%

Temperature Rise

80K Max.

Ambient Temperature

-20℃~+50℃

Insulation Resistance

100MΩMin.@ 500VDC

Dielectric strength

One minute@500VAC∙5mA Max.

Shaft Radial Play

0.06Max.@450g

Shaft Axial Play

0.08Max.@450g

 

Technical Specification

Model No.

Polar

Rated
Voltage

Current/
Phase

Resistance/
Phase

Inductance/
Phase

Holding
Torque

# of
Leads

Rotor
inertia

Weight

Length

   

V

A

Ω

mH

oz-in

kgf · cm

 

g∙ cm2

kg

mm

57H041H-2804

Bipolar

2

2.8

0.7

1.4

72.2

5.2

4

120

0.47

41

 

32

 

Pull Out Torque Curve

31

FAQ

Q: What happens if you give a stepper motor too much current?

A: Supplying too much current to a stepper motor can have several potential consequences:

 

1. Overheating: Excessive current can cause the stepper motor to overheat. The windings in the motor generate heat when current flows through them. If the current exceeds the motor's designed limits, the heat generated can exceed the motor's ability to dissipate it, leading to increased operating temperatures. This can result in thermal stress, insulation degradation, and potentially permanent damage to the motor.

 

2. Increased Power Consumption: When a stepper motor receives more current than necessary, it leads to increased power consumption. This can be inefficient and may result in unnecessary energy waste.

 

3. Decreased Motor Lifespan: Continuous operation with excessive current can shorten the lifespan of the stepper motor. The increased heat, stress, and electrical strain on the motor's components can lead to premature wear and degradation, reducing its overall reliability and longevity.

 

4. Increased Motor Noise: Higher current levels can contribute to increased electrical and mechanical noise in the motor. This noise can manifest as audible vibrations, whining sounds, or irregular motor operation. It can be undesirable in applications where noise reduction is a priority.

 

5. Potential Driver Overheating or Damage: Stepper motor drivers are responsible for supplying the appropriate current to the motor windings. If the current supplied exceeds the driver's capacity or specifications, it can lead to driver overheating or even damage.

 

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