Structural Frame/Arm: Operating Temperature -20°C to 80°C

Component Specifications

Definition

A structural frame/arm is a critical component in industrial transfer mechanisms, designed to support and transmit loads while maintaining precise alignment and motion paths. It serves as the primary load-bearing structure in systems like robotic arms, walking beams, and automated transfer devices, ensuring stability during repetitive operations. The component typically consists of rigid members connected at joints, engineered to withstand dynamic forces, vibrations, and operational stresses without deformation. Its design integrates with actuators, sensors, and end-effectors to enable controlled movement in manufacturing processes such as assembly, material handling, and positioning.

Working Principle

The structural frame/arm operates on principles of static and dynamic mechanics, distributing applied loads through its rigid members to minimize deflection and maintain geometric integrity. It functions as a kinematic chain, where joints (e.g., revolute or prismatic) allow controlled degrees of freedom for motion. In robotic arms, it enables precise positioning via servo motors and linkages, while in walking beams, it facilitates reciprocating motion for material transfer. The design prioritizes strength-to-weight ratios, using materials and geometries (e.g., trusses or box sections) to resist bending, torsion, and fatigue, ensuring reliable performance under cyclic loading.

Materials

Common materials include aluminum alloys (e.g., 6061-T6 for lightweight applications), carbon steel (e.g., AISI 1045 for high strength), stainless steel (e.g., 304 for corrosion resistance), and advanced composites (e.g., carbon fiber for reduced inertia). Material selection depends on factors like load capacity, environmental conditions (e.g., exposure to chemicals or moisture), and weight constraints. Specifications may include tensile strength (e.g., 300 MPa min), yield strength, hardness (e.g., Rockwell C scale), and surface treatments (e.g., anodizing or powder coating).

Technical Parameters

Parameter	Typical range	Notes & selection driver
Weight	10-200 kg
Stiffness	High (low deflection under load)
Joint Types	Revolute, Prismatic, Spherical
Fatigue Life	>1 million cycles
Load Capacity	500-5000 kg (depending on design)
Dimensional Tolerance	±0.1 mm
Operating Temperature	-20°C to 80°C

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 10218-1, ISO 12100, DIN 15018, DIN 18800

Parent Products

This component is used in the following industrial products

Transfer Mechanism (e.g., Robotic Arm, Walking Beam)

A mechanical component within an Automated Transfer System responsible for physically moving materials, parts, or products between stations or processes.

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Engineering Analysis

Risks & Mitigation

Structural fatigue leading to cracks or failure
Misalignment causing operational inaccuracies
Overloading beyond design limits
Corrosion or wear in harsh environments
Vibration-induced resonance affecting stability

FMEA Triads

Trigger: Inadequate material selection or manufacturing defects
Failure: Crack propagation or fracture under cyclic loading
Mitigation: Use high-fatigue-resistant materials, implement regular non-destructive testing (e.g., ultrasonic inspection), and adhere to design safety factors.

Trigger: Poor maintenance or environmental exposure
Failure: Corrosion or wear at joints, reducing structural integrity
Mitigation: Apply protective coatings, schedule routine lubrication and inspections, and control operational conditions (e.g., humidity).

Trigger: Design errors or improper installation
Failure: Excessive deflection or misalignment, impairing motion accuracy
Mitigation: Conduct finite element analysis (FEA) during design, ensure precise alignment during assembly, and perform calibration checks.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Dimensional tolerances per ISO 2768-m, load safety factors ≥2.0 as per industry standards

Test Method

Static load testing (e.g., ISO 12100), fatigue testing (e.g., ASTM E466), non-destructive evaluation (e.g., ultrasonic or magnetic particle inspection)

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 Structural Frame/Arm

Manufacturer profiles associated with Structural Frame/Arm.

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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 a structural frame/arm in transfer mechanisms?

It provides structural integrity and load-bearing support, enabling precise motion control and stability in operations like material handling or assembly.

How do materials affect the performance of a structural frame/arm?

Materials determine strength, weight, and durability; for example, aluminum alloys offer lightweight properties, while steel provides higher load capacity and fatigue resistance.

What standards apply to structural frames/arms in industrial settings?

Key standards include ISO 10218-1 for robotic safety, ISO 12100 for risk assessment, and DIN 15018 for crane and structural design principles.

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.

Structural Frame/Arm