Housing/Guide: Load Capacity 100-5000 N

Component Specifications

Definition

The Housing/Guide is a critical mechanical component in spring actuators that serves dual functions: it provides the structural housing that contains and protects the internal spring mechanism while simultaneously offering precise linear guidance for the actuator's moving parts. This component ensures proper alignment, reduces friction, and maintains operational stability throughout the actuator's stroke cycle.

Working Principle

The Housing/Guide operates by providing a rigid structural enclosure that constrains the spring mechanism while offering low-friction linear guidance surfaces. It converts the spring's potential energy into controlled linear motion through precisely machined guide channels or surfaces that maintain alignment and prevent buckling or misalignment during compression and extension cycles.

Materials

Typically manufactured from aluminum alloys (e.g., 6061-T6, 7075-T6) for lightweight applications, stainless steel (e.g., 304, 316) for corrosive environments, or engineered polymers (e.g., POM, PTFE composites) for low-friction requirements. Surface treatments may include anodizing, hard coating, or lubricant-impregnated coatings.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Bore Diameter	10-100 mm
Load Capacity	100-5000 N
Stroke Length	50-500 mm
Surface Roughness	Ra 0.8-1.6 μm
Operating Temperature	-20°C to 120°C
Straightness Tolerance	0.05 mm/100 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 15552, ISO 6432, DIN ISO 21287, DIN 24554

Parent Products

This component is used in the following industrial products

Spring Actuator

A mechanical component within a thermal disconnector that uses spring force to initiate or control the disconnection mechanism in response to temperature changes.

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Engineering Analysis

Risks & Mitigation

Wear and tear on guide surfaces
Misalignment due to improper installation
Corrosion in harsh environments
Thermal expansion affecting tolerances
Contamination leading to increased friction

FMEA Triads

Trigger: Inadequate lubrication or contamination
Failure: Increased friction leading to jerky motion and premature wear
Mitigation: Implement regular maintenance schedules, use sealed designs, and specify self-lubricating materials

Trigger: Material fatigue or corrosion
Failure: Structural weakening and loss of dimensional accuracy
Mitigation: Select appropriate corrosion-resistant materials, apply protective coatings, and conduct periodic inspections

Trigger: Installation misalignment
Failure: Binding, uneven wear, and reduced actuator efficiency
Mitigation: Provide precise installation guides, use alignment tools during assembly, and implement quality control checks

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.05 mm for critical dimensions, straightness within 0.1 mm/m, surface finish Ra ≤ 1.6 μm

Test Method

Dimensional verification with CMM, functional testing under load cycles, wear testing per ISO 19973, corrosion resistance testing per ASTM B117

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.

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Manufacturers of Housing/Guide

Manufacturer profiles associated with Housing/Guide.

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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 is the primary function of the Housing/Guide in a spring actuator?

The Housing/Guide provides structural integrity to contain the spring mechanism while offering precise linear guidance to ensure smooth, controlled motion without deviation or binding.

How do material choices affect Housing/Guide performance?

Material selection impacts weight, corrosion resistance, friction characteristics, and load capacity. Aluminum offers lightweight strength, stainless steel provides corrosion resistance, and engineered polymers reduce friction without lubrication.

What maintenance is required for Housing/Guide components?

Regular inspection for wear, cleaning of guide surfaces, lubrication if specified (some are self-lubricating), and checking alignment to prevent premature failure.

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.

Housing/Guide