Editorial Technical Reference

Magnet Assembly

This page explains how Magnet Assembly is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

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. This assembly is classified as a component within the machinery and equipment manufacturing sector, specifically designed for integration into float systems. Its primary function is to provide controlled magnetic force, which is essential for the operation of the float system. The assembly may incorporate various magnetic materials, including Neodymium Iron Boron (NdFeB), Samarium Cobalt (SmCo), Alnico, and Ferrite, each offering different magnetic characteristics suitable for specific applications. The overall dimensions of the assembly, including length, width, and height, are specified in millimeters (mm) and must be confirmed for the actual model or application. The working principle relies on the interaction of magnetic fields with other magnetic or ferromagnetic components within the Float Assembly, enabling functions such as levitation, stabilization, or controlled movement through attraction or repulsion forces. When selecting a Magnet Assembly, it is essential to verify model-specific values, such as dimensions and material composition, with the legal manufacturer or supplier. The assembly's performance is influenced by the choice of magnetic material, the arrangement of magnets, and the surrounding environment. Proper integration requires consideration of the interface with other components, including mechanical mounting and alignment. Maintenance signals may include changes in magnetic force output, physical damage, or corrosion. Failure boundaries are defined by the operational limits of the magnetic materials and the structural integrity of the assembly. It is crucial to consult the manufacturer for detailed specifications and to ensure compliance with any applicable standards, as none are listed in the source data.
Working Principle
The Magnet Assembly utilizes magnetic materials, such as permanent magnets or electromagnets, to create magnetic fields. These fields interact with other magnetic or ferromagnetic components in the Float Assembly, enabling functions like levitation, stabilization, or controlled movement through magnetic attraction or repulsion forces. The specific configuration of the magnets determines the strength and direction of the magnetic field, which is critical for the intended application. The assembly's design must account for the required magnetic force, the operating environment, and the mechanical constraints of the system. Verification of the magnetic properties and dimensions is necessary to ensure proper function.
Common Materials
Neodymium Iron Boron (NdFeB), Samarium Cobalt (SmCo), Alnico, Ferrite
Technical Parameters

What to specify in your RFQ

  • Overall dimensions including length, width, and height of the assembly in mm

These are the quantities to specify to the manufacturer when sizing or requesting a quote. The manufacturer's own documentation governs the exact figures and applicable standard.

Components / BOM
  • Magnet Core Part
    Primary magnetic element that generates the magnetic field
    Material: Rare-earth magnet material
  • Housing/Frame Part
    Structural support and protection for magnetic elements
    Material: Stainless steel or aluminum
  • Mounting Brackets Part
    Attachment points for securing the assembly within the Float Assembly
    Material: Steel or aluminum alloy
  • Insulation/Shielding Part
    Controls magnetic field direction and prevents interference
    Material: Mu-metal or ferromagnetic shielding material
  • Electromagnet Optional
    Gives a field that can be switched or varied, unlike a fixed permanent magnet.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

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

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
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)

Quoted from the published standard.

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)

Manufacturers of Magnet Assembly

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Frequently Asked Questions

What is the primary function of the Magnet Assembly?

The primary function is to generate and maintain precise magnetic fields that enable levitation, positioning, or movement control within a float system. It provides controlled magnetic force for the system's operation.

Which materials are commonly used in the Magnet Assembly?

Common materials include Neodymium Iron Boron (NdFeB), Samarium Cobalt (SmCo), Alnico, and Ferrite. Each material offers different magnetic properties, and the choice depends on the application requirements.

How should I verify the specifications of a Magnet Assembly?

You should confirm model-specific values such as overall dimensions (in mm) and material composition with the legal manufacturer or supplier. Always check the latest datasheets and any applicable standards.

What are the maintenance signals or failure boundaries?

Maintenance signals may include a decrease in magnetic force, physical damage, or corrosion. Failure boundaries are defined by the operational limits of the magnetic materials and the structural integrity of the assembly. Regular inspection is recommended.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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