Structured Manufacturing Data (2026)

Magnetic Chuck

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Magnetic Chuck 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 Magnetic Chuck is characterized by the integration of Top Plate and Magnetic Coils/Permanent Magnets. In industrial production environments, manufacturers listed on CNFX commonly emphasize Low-carbon steel construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A workholding device that uses magnetic force to secure ferromagnetic workpieces during machining operations.

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Product Specifications

Technical details and manufacturing context for Magnetic Chuck

Definition
A magnetic chuck is a critical component of a surface grinding machine that provides secure clamping of ferromagnetic workpieces through electromagnetic or permanent magnetic force. It serves as the mounting platform on the grinding machine table, holding workpieces firmly in place during precision grinding operations to ensure dimensional accuracy and surface finish quality.
Working Principle
The magnetic chuck generates a magnetic field through either electromagnetic coils or permanent magnets. When activated, this magnetic field passes through the chuck's top plate and workpiece, creating a strong holding force. For electromagnetic chucks, an electrical current flows through coils to generate the magnetic field, while permanent magnetic chucks use permanent magnet assemblies that can be rotated or shifted to turn the magnetic force on and off.
Common Materials
Low-carbon steel, Electrical steel laminations, Copper windings, Permanent magnets (neodymium or ferrite)
Technical Parameters
  • Working surface dimensions (length × width) (mm) Customizable
Components / BOM
  • Top Plate Part
    Provides the working surface and conducts magnetic flux to the workpiece
    Material: Low-carbon steel
  • Magnetic Coils/Permanent Magnets Part
    Generates the magnetic field for workpiece holding
    Material: Copper windings or permanent magnet material
  • Base Plate Part
    Structural support and mounting interface to grinding machine table
    Material: Cast iron or steel
  • Control Switch
    Activates/deactivates the magnetic field (for electromagnetic chucks)
    Material: Plastic housing with electrical contacts

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Magnetic Chuck.

Magnetic Workholding Device precision magnetic chuck for milling machines industrial magnetic workholding device ferromagnetic workpiece holding chuck magnetic chuck with neodymium magnets CNC machine magnetic clamping system

Applied To / Applications

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

Surface Grinding Machine
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Max clamping pressure: 0.5-1.5 MPa depending on magnetic circuit design
other spec: Max workpiece weight: 500-2000 kg, Magnetic holding force: 100-500 N/cm², Power consumption: 50-500 W DC
temperature: -20°C to 80°C (operating), up to 120°C intermittent
Media Compatibility
✓ Carbon steel workpieces ✓ Cast iron components ✓ Tool steel parts
Unsuitable: Non-ferrous materials (aluminum, brass, copper) or non-magnetic stainless steels
Sizing Data Required
  • Workpiece dimensions (length × width × height)
  • Required holding force (based on machining forces)
  • Workpiece material magnetic permeability

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Demagnetization
Cause: Thermal degradation from excessive heat exposure during machining or improper storage, leading to loss of magnetic flux density.
Surface damage and corrosion
Cause: Accumulation of ferrous debris, coolant ingress, or abrasive wear from workpiece contact, compromising flatness and magnetic seal integrity.
Maintenance Indicators
  • Audible humming or buzzing during operation, indicating electrical issues or loose components.
  • Visible workpiece slippage or reduced holding force, signaling demagnetization or surface contamination.
Engineering Tips
  • Implement regular demagnetization cycles and use keepers during storage to preserve magnetic properties.
  • Maintain strict cleanliness protocols, including daily debris removal and application of anti-corrosion coatings on non-working surfaces.

Compliance & Manufacturing Standards

Reference Standards
ISO 1219-1:2012 (Hydraulic fluid power - General rules and safety requirements for systems and their components) ANSI B5.54-2005 (Specifications for Spindle Noses and Tool Shanks for Machine Tools) DIN 6319 (Magnetic Chucks for Machine Tools - Dimensions and Technical Delivery Conditions)
Manufacturing Precision
  • Flatness: ≤0.02 mm per 100 mm length
  • Magnetic Holding Force: ±10% of rated value
Quality Inspection
  • Magnetic Flux Density Test (using Gauss meter)
  • Surface Roughness and Flatness Verification (with coordinate measuring machine)

Factories Producing Magnetic Chuck

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What types of workpieces can a magnetic chuck hold?

Magnetic chucks securely hold ferromagnetic workpieces made from materials like steel and iron during machining operations. They are not suitable for non-ferrous materials like aluminum, brass, or plastics.

How do I choose between electromagnetic and permanent magnet chucks?

Electromagnetic chucks use electrical coils for adjustable holding force and quick release, ideal for frequent workpiece changes. Permanent magnet chucks (using neodymium or ferrite) require no power, offering reliability and safety in case of power failure, but may require manual switching.

What maintenance does a magnetic chuck require?

Regular maintenance includes cleaning the top plate to remove metal chips and debris, checking electrical connections on electromagnetic models, and inspecting for wear or damage to ensure consistent holding force and precision.

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 basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Machinery and Equipment Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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