INDUSTRY COMPONENT

Coil former/carrier

A coil former/carrier is a structural component that supports and positions electromagnetic coils in forcer/coil assemblies, ensuring precise alignment and thermal management.

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Component Specifications

Definition
The coil former/carrier is a critical component in forcer/coil assemblies used in linear motors, actuators, and electromagnetic systems. It provides mechanical support to the wound coil, maintains precise geometric alignment relative to magnetic fields, offers thermal dissipation pathways, and often includes mounting features for integration into larger assemblies. Its design directly impacts electromagnetic efficiency, heat management, and operational reliability.
Working Principle
The coil former/carrier holds the conductive wire coil in a fixed configuration, allowing it to generate a controlled electromagnetic field when energized. It positions the coil accurately within the magnetic circuit to optimize force generation and minimize flux leakage, while also dissipating heat generated by electrical resistance to prevent overheating and performance degradation.
Materials
Typically made from high-temperature thermoplastics (e.g., PEEK, PPS, LCP), ceramics, or composite materials with good dielectric properties, thermal stability, and mechanical strength. May include metal inserts or coatings for enhanced heat dissipation or mounting.
Technical Parameters
  • Temperature Range -40°C to 200°C
  • Dielectric Strength >15 kV/mm
  • Flammability Rating UL94 V-0
  • Thermal Conductivity 0.2-5 W/m·K
  • Dimensional Tolerance ±0.1 mm
Standards
ISO 9001, IEC 60085, UL 746

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Coil former/carrier.

coil former coil carrier electromagnetic coil support forcer assembly linear motor component thermal management electrical insulation PEEK coil former IEC standards Coil former/carrier Coil former/carrier in Electrical Equipment Manufacturing

Parent Products

This component is used in the following industrial products

Forcer/Coil assembly

The electromagnetic component in linear motors that generates thrust force through interaction with permanent magnets.

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Engineering Analysis

Risks & Mitigation
  • Thermal degradation leading to insulation failure
  • Mechanical misalignment causing reduced efficiency
  • Material cracking under thermal cycling
FMEA Triads
Trigger: Overheating due to excessive current or poor cooling
Failure: Insulation breakdown or material deformation
Mitigation: Implement thermal monitoring, use materials with higher thermal conductivity, and ensure adequate ventilation.
Trigger: Vibration or mechanical stress
Failure: Coil displacement or structural damage
Mitigation: Design with robust mounting features, use shock-absorbing materials, and perform vibration testing.

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Dimensional tolerances per ISO 2768-m, electrical insulation per IEC 60664
Test Method
Thermal cycling tests (IEC 60068-2-14), dielectric strength tests (IEC 60243), dimensional verification via CMM

Buyer Feedback

★★★★☆ 4.5 / 5.0 (11 reviews)

"Reliable performance in harsh Electrical Equipment Manufacturing environments. No issues with the Coil former/carrier so far."

"Testing the Coil former/carrier now; the technical reliability results are within 1% of the laboratory datasheet."

"Impressive build quality. Especially the technical reliability is very stable during long-term operation."

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Winding Spindle
A precision rotating shaft in transformer winding machines that holds and rotates the coil form during wire winding operations.

Frequently Asked Questions

What is the primary function of a coil former/carrier?

To provide mechanical support, precise alignment, and thermal dissipation for electromagnetic coils in forcer/coil assemblies.

Why are high-temperature plastics commonly used for coil formers?

They offer excellent electrical insulation, thermal stability, and resistance to deformation under operational heat, ensuring reliable performance.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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Coil Former Coil Winding