Industry-Verified Manufacturing Data (2026)

Magnet Assembly

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Magnet 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 Magnet Assembly is characterized by the integration of Magnet Core and Housing/Frame. 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 magnetic component assembly designed for integration into float systems to provide controlled magnetic force.

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Product Specifications

Technical details and manufacturing context for Magnet Assembly

Definition
The Magnet Assembly is a critical sub-component of the Float Assembly, responsible for generating and maintaining precise magnetic fields that enable levitation, positioning, or movement control within the larger system. It typically consists of permanent magnets or electromagnets arranged in a specific configuration to achieve desired magnetic properties.
Working Principle
Utilizes magnetic materials (permanent magnets or electromagnets) to create magnetic fields that interact with other magnetic or ferromagnetic components in the Float Assembly, enabling functions such as levitation, stabilization, or controlled movement through magnetic attraction/repulsion forces.
Common Materials
Neodymium Iron Boron (NdFeB), Samarium Cobalt (SmCo), Alnico, Ferrite
Technical Parameters
  • Overall dimensions including length, width, and height of the assembly (mm) Standard Spec
Components / BOM
  • Magnet Core
    Primary magnetic element that generates the magnetic field
    Material: Rare-earth magnet material
  • Housing/Frame
    Structural support and protection for magnetic elements
    Material: Stainless steel or aluminum
  • Mounting Brackets
    Attachment points for securing the assembly within the Float Assembly
    Material: Steel or aluminum alloy
  • Insulation/Shielding
    Controls magnetic field direction and prevents interference
    Material: Mu-metal or ferromagnetic shielding material
Engineering Reasoning
0.5-2.5 Tesla magnetic flux density at 20-80°C ambient temperature
3.0 Tesla magnetic flux density or 150°C coil temperature
Design Rationale: Curie temperature transition at 150°C causing permanent magnetic domain randomization, or magnetic saturation beyond 3.0T leading to irreversible flux leakage
Risk Mitigation (FMEA)
Trigger Eddy current heating from AC ripple exceeding 5% of DC bias in float system fluid
Mode: Thermal demagnetization reducing magnetic force by 40% within 100 operating hours
Strategy: Laminated silicon steel core with 0.35mm thickness and epoxy encapsulation for thermal isolation
Trigger Corrosive ion penetration (Cl⁻ > 100ppm) through epoxy-coil interface at pH < 5.5
Mode: Copper winding corrosion increasing resistance from 2.5Ω to 15Ω, causing 85% force reduction
Strategy: Parylene-C coating (25μm) with hermetic laser welding at magnet-housing interface

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Magnet Assembly.

float system magnet assembly magnetic component for machinery controlled magnetic force assembly industrial magnet assembly BOM NdFeB magnet float system

Applied To / Applications

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

Float Assembly
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Faraday Rotator
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Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: 0 to 10 bar
other spec: Max slurry concentration: 30% solids by weight
temperature: -40°C to +150°C
Media Compatibility
✓ Water-based fluids ✓ Hydraulic oils ✓ Non-corrosive process liquids
Unsuitable: Highly acidic or caustic environments (pH <4 or >10)
Sizing Data Required
  • Required magnetic force (N)
  • Float system displacement volume (L)
  • Operating gap distance (mm)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Demagnetization
Cause: Exposure to temperatures above Curie point, mechanical shock, or strong opposing magnetic fields
Corrosion and material degradation
Cause: Environmental exposure to moisture, chemicals, or oxidation leading to surface pitting and structural weakening
Maintenance Indicators
  • Audible rattling or vibration indicating loose magnet components or detachment
  • Visible discoloration, rust, or surface damage on magnet housing or assembly
Engineering Tips
  • Implement regular magnetic field strength testing to detect early demagnetization trends
  • Apply protective coatings and maintain controlled environmental conditions to prevent corrosion

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 Quality Management Systems ASTM A977/A977M Standard Test Method for Magnetic Properties of High-Coercivity Permanent Magnet Materials CE Marking (EU Directive 2014/35/EU for Low Voltage Equipment)
Manufacturing Precision
  • Bore Diameter: +/-0.01mm
  • Parallelism of Mounting Surfaces: 0.05mm
Quality Inspection
  • Magnetic Flux Density Measurement (Gauss Meter Test)
  • Dimensional Verification with CMM (Coordinate Measuring Machine)

Factories Producing Magnet Assembly

Verified manufacturers with capability to produce this product in China

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✓ 92% Supplier Capability Match Found

S Sourcing Manager from United States Feb 13, 2026
★★★★★
"Great transparency on the Magnet Assembly components. Essential for our Machinery and Equipment Manufacturing supply chain."
Technical Specifications Verified
P Procurement Specialist from United Arab Emirates Feb 10, 2026
★★★★☆
"The Magnet Assembly we sourced perfectly fits our Machinery and Equipment Manufacturing production line requirements. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Australia Feb 07, 2026
★★★★★
"Found 56+ suppliers for Magnet Assembly on CNFX, but this spec remains the most cost-effective."
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.”

10 sourcing managers are analyzing this specification now. Last inquiry for Magnet Assembly from Vietnam (1h ago).

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Frequently Asked Questions

What are the key differences between NdFeB and SmCo magnets in these assemblies?

NdFeB magnets offer the highest magnetic strength but are more susceptible to corrosion and temperature degradation, while SmCo magnets provide excellent temperature stability and corrosion resistance with slightly lower strength, making them ideal for harsh industrial environments.

How do these magnet assemblies integrate with float systems in machinery?

These assemblies are designed with precise mounting brackets and housings that allow seamless integration into float systems, providing controlled magnetic force for applications like level sensing, position control, and material handling in industrial equipment.

What insulation and shielding options are available for these magnet assemblies?

We offer various insulation and shielding materials including epoxy coatings, nickel plating, and specialized composite shields to protect magnets from corrosion, demagnetization, and interference, ensuring reliable performance in demanding machinery applications.

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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