Industry-Verified Manufacturing Data (2026)

Armature Assembly

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Armature Assembly used in the Machinery and Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Armature Assembly is characterized by the integration of Armature Shaft and Armature Core. In industrial production environments, manufacturers listed on CNFX commonly emphasize Electrical steel laminations construction to support stable, high-cycle operation across diverse manufacturing scenarios.

The rotating component of a vibration exciter that generates mechanical vibration through electromagnetic interaction.

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Product Specifications

Technical details and manufacturing context for Armature Assembly

Definition
The armature assembly is the core moving part within a vibration exciter unit, responsible for converting electrical energy into controlled mechanical vibration. It consists of a precisely balanced rotating shaft with windings that interact with the stator's magnetic field to produce oscillatory forces used in various testing and industrial applications.
Working Principle
When alternating current flows through the armature windings, it creates a varying magnetic field that interacts with the fixed magnetic field of the stator. This electromagnetic interaction produces rotational torque, causing the armature to oscillate and generate controlled vibration forces that are transmitted through the exciter's mounting interface.
Common Materials
Electrical steel laminations, Copper windings, High-strength steel shaft
Technical Parameters
  • Armature diameter and length dimensions critical for balancing and force generation (mm) Per Request
Components / BOM
  • Armature Shaft
    Provides structural support and rotational axis for the assembly
    Material: High-strength alloy steel
  • Armature Core
    Supports windings and provides magnetic path for electromagnetic interaction
    Material: Electrical steel laminations
  • Armature Windings
    Carry electrical current to create electromagnetic field for vibration generation
    Material: Insulated copper wire
  • Balancing Rings
    Ensure dynamic balance during high-speed rotation to minimize vibration
    Material: Stainless steel
Engineering Reasoning
0-10000 rpm rotational speed, 0.1-5.0 mm displacement amplitude, -20°C to 120°C operating temperature
Exceeds 12000 rpm centrifugal force causing permanent deformation, exceeds 150°C Curie temperature demagnetizing permanent magnets, exceeds 7.0 mm displacement amplitude causing bearing seizure
Design Rationale: Lorentz force (F = BIL sinθ) electromagnetic interaction failure due to demagnetization at Curie temperature, centrifugal force (F = mω²r) exceeding yield strength of 350 MPa steel, bearing clearance violation causing Hertzian contact stress exceeding 1.5 GPa
Risk Mitigation (FMEA)
Trigger Electromagnetic imbalance from 5%+ winding asymmetry creating 2.5 kN lateral force
Mode: Bearing raceway spalling at 10⁷ stress cycles due to modified Palmgren-Miner rule cumulative damage
Strategy: Precision winding with <1% asymmetry tolerance and dynamic balancing to ISO 1940 G2.5 standard
Trigger Core saturation at 1.8 T flux density exceeding silicon steel saturation point
Mode: Eddy current heating reaching 180°C causing insulation class H (180°C) breakdown
Strategy: Laminated core design with 0.35 mm M-19 silicon steel sheets and 3% silicon content

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Armature Assembly.

vibration exciter armature assembly electromagnetic armature for industrial machinery armature core with copper windings high-strength steel shaft armature balancing rings for vibration exciter armature

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Vibration Exciter Unit
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 2 bar (sealed housing dependent)
other spec: Max rotational speed: 10,000 RPM, Vibration frequency range: 5-5000 Hz, Power input: 0.5-50 kW
temperature: -20°C to +120°C (operating), up to +150°C (peak)
Media Compatibility
✓ Clean dry air ✓ Inert gas environments (e.g., nitrogen) ✓ Non-conductive fluids (with proper sealing)
Unsuitable: Conductive or corrosive fluids (e.g., saltwater, acids) due to electromagnetic interference and material degradation
Sizing Data Required
  • Required vibration force (N)
  • Operating frequency range (Hz)
  • Available electrical power supply (V, A, phase)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Insulation breakdown
Cause: Thermal degradation from overheating, moisture ingress, or electrical overstress compromising dielectric properties
Commutator wear/arcing
Cause: Mechanical abrasion from brush friction, electrical arcing due to poor brush contact, or contamination buildup
Maintenance Indicators
  • Excessive sparking at brushes during operation
  • Unusual vibration or audible humming/grinding noises during rotation
Engineering Tips
  • Implement regular infrared thermography inspections to detect abnormal heating patterns in windings and connections
  • Establish precision alignment procedures and dynamic balancing protocols to minimize mechanical stress on armature components

Compliance & Manufacturing Standards

Reference Standards
ISO 1940-1:2003 (Balance quality requirements for rotors in a constant state) ANSI/EIA 364-09 (Electrical Connector/Socket Test Procedures) DIN 743-1:2012 (Calculation of load capacity of shafts and axles)
Manufacturing Precision
  • Shaft diameter: +/-0.01mm
  • Commutator concentricity: 0.05mm TIR
Quality Inspection
  • High-potential (hipot) insulation test
  • Runout measurement with dial indicator

Factories Producing Armature Assembly

Verified manufacturers with capability to produce this product in China

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✓ 93% Supplier Capability Match Found

S Sourcing Manager from Germany Jan 04, 2026
★★★★★
"Found 46+ suppliers for Armature Assembly on CNFX, but this spec remains the most cost-effective."
Technical Specifications Verified
P Procurement Specialist from Brazil Jan 01, 2026
★★★★☆
"The technical documentation for this Armature Assembly is very thorough, especially regarding technical reliability. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Canada Dec 29, 2025
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Armature Assembly so far."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

19 sourcing managers are analyzing this specification now. Last inquiry for Armature Assembly from Vietnam (47m ago).

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Frequently Asked Questions

What materials are used in this armature assembly for optimal performance?

This armature assembly uses electrical steel laminations for efficient magnetic flux, copper windings for maximum conductivity, and a high-strength steel shaft for durability in demanding vibration applications.

How does the armature assembly generate vibration in machinery equipment?

The armature assembly rotates within the vibration exciter, creating electromagnetic interaction that converts electrical energy into precise mechanical vibration for industrial testing and material processing applications.

What components are included in the armature assembly BOM?

The bill of materials includes the armature shaft, armature core, armature windings, and balancing rings, all engineered to work together for smooth operation and consistent vibration output.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Machinery and Equipment Manufacturing sector.

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