Industry-Verified Manufacturing Data (2026)

Magnetic Chuck

Based on aggregated insights from multiple verified 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.

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.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

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

Verified manufacturers with capability to produce this product in China

✓ 96% Supplier Capability Match Found

T Technical Director from Australia Apr 12, 2026
★★★★★
"Reliable performance in harsh Machinery and Equipment Manufacturing environments. No issues with the Magnetic Chuck so far."
Technical Specifications Verified
P Project Engineer from Singapore Apr 09, 2026
★★★★☆
"Testing the Magnetic Chuck now; the technical reliability results are within 1% of the laboratory datasheet. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
S Sourcing Manager from Germany Apr 06, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
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.”

9 sourcing managers are analyzing this specification now. Last inquiry for Magnetic Chuck from India (1h ago).

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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.

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