Magnetic Assembly/Core: IP Rating IP65 minimum

Component Specifications

Definition

A precision-engineered magnetic assembly consisting of permanent magnets or electromagnets arranged within a protective housing, designed specifically for integration into magnetic drums and rollers. This component generates a consistent magnetic field across the drum surface to attract, hold, or separate ferrous materials in industrial processes. It features optimized magnetic circuit design, thermal management, and mechanical mounting interfaces for reliable operation in demanding environments.

Working Principle

Operates by generating a magnetic field through permanent magnets (neodymium, ferrite) or electromagnets. When integrated into a rotating drum/roller, the magnetic field attracts ferrous materials from conveyed materials. The magnetic force is maintained across the working surface while non-magnetic materials continue along the conveyor path. Electromagnetic versions allow adjustable field strength through current control.

Materials

Core: Neodymium (NdFeB) N42-N52 grade, Ferrite (SrFe12O19), or AlNiCo alloys. Housing: 304/316 stainless steel or powder-coated carbon steel. Insulation: Class H (180°C) epoxy or polyimide for electromagnetic coils. Structural components: Aluminum alloy or engineering plastics for non-magnetic parts.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Weight	5-50kg depending on drum diameter
IP Rating	IP65 minimum
Field Uniformity	±10% across working surface
Magnetic Strength	800-5000 Gauss surface field
Power Consumption	0-500W (electromagnetic)
Temperature Rating	-40°C to 150°C operational

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

DIN 1543, IEC 60404-8-1

Parent Products

This component is used in the following industrial products

Magnetic Drum/Roller

A rotating cylindrical component of a magnetic separator that generates a magnetic field to attract and separate ferrous materials from non-ferrous materials or other substances.

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Engineering Analysis

Risks & Mitigation

Demagnetization at high temperatures
Physical damage from impact
Corrosion in humid environments
Magnetic field interference with nearby equipment

FMEA Triads

Trigger: Overheating beyond Curie temperature
Failure: Permanent demagnetization
Mitigation: Install temperature sensors with automatic shutdown, use high-temperature grade magnets (N42SH+), ensure adequate cooling

Trigger: Mechanical impact during installation
Failure: Cracked magnet segments, reduced field strength
Mitigation: Use protective shipping fixtures, follow installation torque specifications, implement handling training

Trigger: Moisture ingress into housing
Failure: Corrosion, short circuits in electromagnetic coils
Mitigation: Maintain IP65 seals, use stainless steel housing, apply conformal coating to electrical components

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Magnetic field uniformity: ±10% across working surface. Dimensional tolerance: ±0.5mm on mounting interfaces.

Test Method

Gauss meter measurement per IEC 60404-14, thermal cycling test (-40°C to 150°C), IP65 water ingress test, vibration test per ISO 10816

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Magnetic Assembly/Core

Manufacturer profiles associated with Magnetic Assembly/Core.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What maintenance does a magnetic core assembly require?

Minimal maintenance: periodic inspection for physical damage, cleaning of accumulated ferrous debris, and verification of magnetic strength (annual gauss meter check). Electromagnetic versions require coil resistance testing.

Can magnetic strength be adjusted in permanent magnet assemblies?

No, permanent magnet assemblies have fixed strength. For adjustable applications, electromagnetic cores with variable current control are recommended.

What is the typical lifespan of these assemblies?

15-20 years for permanent magnet versions with <5% flux loss. Electromagnetic versions: 10-15 years depending on insulation degradation and duty cycle.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Magnetic Assembly/Core