Coil former/carrier: Temperature Range -40°C to 200°C

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

Parameter	Typical range	Notes & selection driver
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

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

Standards

ISO 9001, IEC 60085, UL 746

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

Typical Suppliers & Equivalents

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

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

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Manufacturers of Coil former/carrier

Manufacturer profiles associated with Coil former/carrier.

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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.

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.

Coil former/carrier