Industry-Verified Manufacturing Data (2026)

Magnet Array

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Magnet Array 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 Magnet Array is characterized by the integration of Permanent Magnet Block and Mounting Plate/Backing. In industrial production environments, manufacturers listed on CNFX commonly emphasize Neodymium Iron Boron (NdFeB) construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A precisely arranged assembly of permanent magnets designed to generate controlled magnetic fields for motion applications.

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Product Specifications

Technical details and manufacturing context for Magnet Array

Definition
A magnet array is a critical component within Mover/Forcer systems, consisting of multiple permanent magnets arranged in a specific geometric pattern (e.g., Halbach array). Its primary role is to create a strong, spatially varying magnetic field that interacts with the electromagnetic coils in the stator to produce precise linear or rotational forces, enabling controlled motion in industrial automation, precision positioning, and material handling equipment.
Working Principle
The magnet array operates by establishing a periodic magnetic field. When current flows through the electromagnetic coils of the stator, the interaction between the coil's magnetic field and the permanent magnet's field generates a Lorentz force. The specific arrangement of the magnets (polarity, spacing, orientation) shapes the magnetic field to optimize force density, reduce cogging, and improve motion smoothness and efficiency in the Mover/Forcer assembly.
Common Materials
Neodymium Iron Boron (NdFeB), Samarium Cobalt (SmCo), Ferrite
Technical Parameters
  • Overall dimensions (length, width, height) and magnet pitch/spacing within the array. (mm) Customizable
Components / BOM
  • Permanent Magnet Block
    Individual magnet unit that provides the magnetic field source; typically rectangular or arc-shaped.
    Material: Rare-earth magnet (e.g., NdFeB)
  • Mounting Plate/Backing
    Structural base to which individual magnets are securely attached, ensuring precise alignment and mechanical integrity.
    Material: Mild steel or aluminum
  • Adhesive/Epoxy
    Bonds magnets to the mounting plate, providing mechanical fixation and sometimes thermal conduction.
    Material: High-strength epoxy resin
  • Protective Coating
    Thin layer (e.g., nickel, epoxy) applied to magnet surfaces to prevent corrosion and physical damage.
    Material: Nickel plating or epoxy coating
Engineering Reasoning
0.5-1.2 Tesla magnetic flux density at 20-80°C ambient temperature
Curie temperature threshold of 310°C for NdFeB magnets, causing irreversible demagnetization
Design Rationale: Thermal energy exceeding magnetic anisotropy energy barrier (K_u ≈ 4.5×10^6 J/m³ for NdFeB), disrupting magnetic domain alignment
Risk Mitigation (FMEA)
Trigger Eddy current heating from AC magnetic fields exceeding 100 Hz frequency
Mode: Localized temperature rise above 150°C causing partial demagnetization
Strategy: Laminated magnet segmentation with 0.5 mm electrical insulation between layers
Trigger Mechanical impact exceeding 50 J energy at 25 mm/s velocity
Mode: Brittle fracture propagation through NdFeB grain boundaries
Strategy: Encapsulation in 3 mm thick 316L stainless steel housing with viscoelastic damping interface

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Magnet Array.

precision magnet array for motion control industrial permanent magnet assembly NdFeB magnet array for machinery custom magnetic field generator equipment magnet array mounting plate specifications

Applied To / Applications

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

Mover/Forcer
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Mover
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 10 bar
other spec: Max magnetic field strength: 1.2 Tesla, Vibration tolerance: 5g RMS
temperature: -40°C to 150°C
Media Compatibility
✓ Non-ferrous fluids (water, oils) ✓ Clean dry air/gas streams ✓ Non-abrasive polymer slurries
Unsuitable: Corrosive chemical environments (acids, strong bases)
Sizing Data Required
  • Required magnetic field strength (Tesla)
  • Gap distance between magnet arrays (mm)
  • Motion speed/acceleration requirements (m/s, m/s²)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Demagnetization
Cause: Exposure to temperatures exceeding the magnet's Curie point, mechanical shock/vibration, or strong opposing magnetic fields causing loss of magnetic strength.
Corrosion and mechanical degradation
Cause: Environmental exposure to moisture, chemicals, or abrasive particles leading to surface corrosion, coating failure, or physical damage to the magnet array structure.
Maintenance Indicators
  • Audible rattling or grinding noises indicating loose or detached magnets within the array housing
  • Visible discoloration, rust spots, or flaking on the magnet surfaces or protective coatings
Engineering Tips
  • Implement strict temperature monitoring and control to prevent thermal excursions beyond the magnet material's specified operating range
  • Establish regular cleaning and inspection protocols using non-magnetic tools to remove debris and check for coating integrity without affecting magnetic properties

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ASTM A977/A977M - Standard Specification for Permanent Magnet Assemblies CE Marking - EU Directive 2014/35/EU (Low Voltage Directive)
Manufacturing Precision
  • Magnetic Field Strength: +/-5% of specified value
  • Dimensional Tolerance: +/-0.05mm on critical surfaces
Quality Inspection
  • Gauss Meter Testing - Magnetic field measurement and uniformity verification
  • Dimensional Inspection - Coordinate Measuring Machine (CMM) for geometric accuracy

Factories Producing Magnet Array

Verified manufacturers with capability to produce this product in China

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✓ 95% Supplier Capability Match Found

S Sourcing Manager from Brazil Feb 17, 2026
★★★★★
"As a professional in the Machinery and Equipment Manufacturing sector, I confirm this Magnet Array meets all ISO standards."
Technical Specifications Verified
P Procurement Specialist from Canada Feb 14, 2026
★★★★☆
"Standard OEM quality for Machinery and Equipment Manufacturing applications. The Magnet Array arrived with full certification. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from United States Feb 11, 2026
★★★★★
"Great transparency on the Magnet Array components. Essential for our Machinery and Equipment Manufacturing supply chain."
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.”

5 sourcing managers are analyzing this specification now. Last inquiry for Magnet Array from Germany (19m ago).

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Frequently Asked Questions

What are the main applications of magnet arrays in machinery manufacturing?

Magnet arrays are primarily used in motion control systems, including linear and rotary actuators, magnetic bearings, positioning systems, and automation equipment where controlled magnetic fields enable precise movement and force generation.

How do I choose between NdFeB, SmCo, and Ferrite magnet materials?

NdFeB offers the highest magnetic strength but lower temperature resistance; SmCo provides excellent high-temperature performance and corrosion resistance; Ferrite is cost-effective with good temperature stability but lower strength. Selection depends on your application's temperature range, required magnetic force, and budget constraints.

What mounting considerations are important for industrial magnet arrays?

Proper mounting requires considering the backing plate material compatibility, adhesive/epoxy selection for your operating environment, protective coating for corrosion resistance, and ensuring the mounting surface can withstand magnetic forces and thermal expansion during operation.

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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