INDUSTRY COMPONENT

Motor Stator

Stationary electromagnetic component in electric motors that generates rotating magnetic fields to drive motor operation

View Specifications

Component Specifications

Definition
The motor stator is the stationary part of an electric motor, consisting of a laminated steel core with precisely wound copper or aluminum windings arranged in slots. In vacuum pump/motor applications, it creates a rotating magnetic field when energized with alternating current, inducing motion in the rotor to generate mechanical power for vacuum creation. The stator's design determines motor efficiency, torque characteristics, and thermal performance.
Working Principle
Operates on electromagnetic induction principles. When three-phase AC power is applied to the stator windings, it produces a rotating magnetic field. This field interacts with the rotor's magnetic field (either permanent magnets or induced currents), creating torque that causes the rotor to spin. The speed of rotation is synchronized with the frequency of the AC power supply in synchronous motors or slightly less in induction motors.
Materials
Electrical steel laminations (M19-M47 grades, 0.35-0.65mm thickness), copper magnet wire (Class H insulation, 180°C rating), insulating paper/slot liners (Nomex or equivalent), varnish impregnation (epoxy or polyester), steel housing/frame, terminal leads with high-temperature insulation
Technical Parameters
  • Frequency 50/60 Hz
  • Power Range 0.5-500 kW
  • Cooling Method TEFC (Totally Enclosed Fan Cooled)
  • Voltage Rating 200-690V AC
  • Number of Poles 2, 4, or 6 poles
  • Efficiency Class IE3-IE5 per IEC 60034-30
  • Insulation Class F or H (155°C or 180°C)
  • Protection Class IP54-IP65
Standards
ISO 9001, IEC 60034, NEMA MG-1, DIN EN 60034

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Motor Stator.

electric motor stator vacuum pump stator industrial motor components stator winding AC motor parts electromagnetic stator motor repair parts Motor Stator Motor Stator in Machinery and Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Vacuum Pump/Motor

A combined vacuum pump and motor assembly that generates suction for vacuum extraction systems

View Product Details

Theta (Rotation) Actuator

A precision rotary actuator that provides controlled rotational motion for positioning components in robotic placement systems.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Electrical shock during maintenance
  • Overheating leading to insulation failure
  • Winding short circuits causing motor burnout
  • Vibration-induced mechanical damage
  • Corrosion in humid environments
FMEA Triads
Trigger: Thermal overload from blocked ventilation
Failure: Insulation degradation and winding short circuit
Mitigation: Install temperature sensors, ensure proper airflow, use Class H insulation materials
Trigger: Voltage imbalance in power supply
Failure: Uneven heating and reduced motor lifespan
Mitigation: Use voltage monitoring devices, implement balanced three-phase supply, install surge protectors
Trigger: Mechanical vibration from misalignment
Failure: Winding abrasion and insulation damage
Mitigation: Precision alignment during installation, use vibration dampeners, regular maintenance checks

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Winding resistance: ±2% between phases, Air gap concentricity: ±0.05mm, Insulation thickness: ±0.1mm
Test Method
Hi-pot test (2E+1000V), Surge test comparison, Insulation resistance test (500V DC), Winding resistance measurement, Rotational test under load

Buyer Feedback

★★★★☆ 4.9 / 5.0 (16 reviews)

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Motor Stator meets all ISO standards."

"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Motor Stator arrived with full certification."

Related Components

Machine Frame
The rigid structural foundation of a CNC wood router that provides stability, vibration damping, and precision alignment for cutting operations.
pH Sensor Assembly
Precision pH sensor assembly for automated monitoring and dosing systems in industrial applications
Load Cell Assembly
Precision load cell assembly for automated powder dispensing systems
Dust Collection Port
A dust collection port is a critical component in automated powder dispensing systems that captures airborne particulates at the source to maintain clean air quality and prevent cross-contamination.

Frequently Asked Questions

What causes stator winding failures in vacuum pump motors?

Common causes include thermal overload from excessive current, insulation breakdown due to moisture/contamination, voltage spikes, mechanical vibration, and improper winding tension during manufacturing.

How do I test a motor stator for faults?

Use megohmmeter for insulation resistance (should be >100 MΩ), winding resistance test with multimeter (balanced phases within 2%), surge comparison test for turn-to-turn faults, and polarization index test for insulation quality.

Can stator windings be repaired or must they be replaced?

Minor insulation damage can be repaired with varnish impregnation, but severe winding faults typically require complete rewinding or stator replacement for reliable operation.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Get Quote for Motor Stator

Motor Rotor Motor Windings