Structured Manufacturing Data (2026)

Adjustable Arm

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Adjustable Arm used in the Electrical Equipment Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Adjustable Arm is characterized by the integration of Pivot Joint and Tension Mechanism. In industrial production environments, manufacturers listed on CNFX commonly emphasize Aluminum alloy construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A mechanical component that allows flexible positioning of the lamp head.

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Product Specifications

Technical details and manufacturing context for Adjustable Arm

Definition
The adjustable arm is a key structural component of the Smart LED Desk Lamp that enables users to precisely position the light source. It connects the lamp base to the lamp head, providing multiple degrees of freedom for optimal illumination angles while maintaining stability during adjustments.
Working Principle
The arm utilizes a combination of pivot joints, tension mechanisms, and sometimes internal springs or counterweights to allow smooth movement while maintaining position once set. Friction-based or locking mechanisms prevent unwanted movement after adjustment.
Common Materials
Aluminum alloy, Steel, Plastic
Technical Parameters
  • Length of the arm from base connection to head connection (mm) Customizable
Components / BOM
  • Pivot Joint
    Allows rotational movement between arm segments
    Material: Steel
  • Tension Mechanism
    Provides resistance to hold position after adjustment
    Material: Spring steel
  • Cable Channel Part
    Protects and routes electrical wiring through the arm
    Material: Plastic

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Adjustable Arm.

adjustable lamp arm for electrical panels industrial flexible positioning arm for lighting aluminum alloy adjustable arm for equipment electrical equipment lamp positioning mechanism heavy-duty adjustable arm with tension control

Applied To / Applications

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

Adjustable Lighting System
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Solar Table Lamps
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Not applicable (mechanical component)
other spec: Max load capacity: 5 kg, Rotation range: 360° horizontal, 180° vertical
temperature: -20°C to 80°C
Media Compatibility
✓ Indoor office lighting ✓ Laboratory equipment positioning ✓ Machine tool auxiliary lighting
Unsuitable: High-vibration industrial environments (e.g., heavy machinery, forging presses)
Sizing Data Required
  • Lamp head weight (kg)
  • Required reach/extension length (mm)
  • Mounting surface type/material

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Joint Wear and Loosening
Cause: Repeated articulation cycles causing fretting wear, inadequate lubrication, or improper torque during assembly leading to increased clearance and play.
Fatigue Cracking at Stress Concentrations
Cause: Cyclic loading at pivot points or connection interfaces, material defects, or design flaws creating stress risers that propagate cracks over time.
Maintenance Indicators
  • Excessive play or wobble during movement indicating joint wear
  • Unusual grinding or clicking noises during articulation suggesting component degradation
Engineering Tips
  • Implement regular lubrication schedules with appropriate greases for pivot points and threaded connections
  • Establish periodic torque verification procedures for all fasteners and adjustment mechanisms to maintain proper preload

Compliance & Manufacturing Standards

Reference Standards
ISO 2768-1:1989 - General tolerances for linear and angular dimensions ANSI B4.1-1967 (R2009) - Preferred Limits and Fits for Cylindrical Parts DIN 7184-1:2017-08 - Adjustable arms - Part 1: Dimensions, tolerances, and technical delivery conditions
Manufacturing Precision
  • Arm length adjustment: +/- 0.5 mm
  • Bore diameter for pivot joints: H7 tolerance (+0.025 mm / 0 mm)
Quality Inspection
  • Dimensional verification with coordinate measuring machine (CMM)
  • Load testing to verify rated capacity with 150% safety factor

Factories Producing Adjustable Arm

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 materials are used in this adjustable arm?

This adjustable arm is constructed from durable aluminum alloy and steel components with plastic elements, ensuring strength and corrosion resistance for industrial electrical environments.

How does the tension mechanism work?

The tension mechanism allows precise adjustment and locking of the arm position, maintaining lamp head stability while enabling smooth repositioning when needed.

What electrical equipment applications is this arm suitable for?

This adjustable arm is designed for electrical equipment manufacturing applications including control panel lighting, machinery illumination, inspection station lighting, and workstation task lighting.

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 Electrical 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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