May 2026 Manufacturing Engineering Standards Update – Part 2

May 2026 marks a pivotal month for the manufacturing engineering community, with the publication of four key international standards shaping the future of robotics, machining, welding, and tool safety. These standards underpin quality, efficiency, and safety in advanced manufacturing environments. This article, Part 2 of our monthly coverage, provides an in-depth look at newly released specifications industry professionals must know to ensure compliance, drive innovation, and maintain a competitive edge.

Overview

Manufacturing engineering is characterized by rapid technological evolution and stringent market demands. Adhering to up-to-date standards ensures reliability, enhances product safety, and fosters international trade by harmonizing requirements. In this article, you’ll find:

• An outline of key updates and requirements for each new standard
• Guidance on how these standards affect manufacturing operations
• Insights on compliance, implementation, and best practices

Whether you’re an engineer, quality manager, compliance officer, or procurement lead, staying abreast of these changes is vital for conforming to regulations and optimizing process efficiency.

Detailed Standards Coverage

ISO 18646-6:2026 - Robotics — Performance Criteria and Test Methods for Lower-Limb Wearable Robots

Robotics — Performance criteria and related test methods for service robots — Part 6: Lower-limb wearable robots

This standard introduces a structured framework for evaluating the assistance and enhancement performance of lower-limb wearable robots, often referred to as exoskeletons. By utilizing an Anthropomorphic Test Dummy Robot (ATDR), it enables objective comparisons and repeatable performance assessments across diverse wearable robot designs, irrespective of their driving mechanism (powered/non-powered, electric/hydraulic).

The document specifies detailed requirements for:

• ATDR setup (size, configuration, sensor specs)
• Environmental and operating conditions
• Reference movement trajectories (walking and half-squat)
• Safety provisions for testing personnel and equipment
• Measurement accuracy (e.g., joint angle accuracy ≥ 0.1°, ground reaction force, sensor rates)

The scope excludes robots reliant on biosignals for operation (e.g., EMG-controlled devices). All accessories, power levels, and calibration steps must align with manufacturer guidance to ensure valid results.

Industries benefiting from this standard include medical device manufacturers, rehabilitation centers, robotics research labs, and assisted living technology providers. Implementation guarantees consistent testing practices, fosters innovation, and supports regulatory submissions worldwide.

Key highlights:

• Establishes standardized performance indices for wearable lower-limb robots
• Mandates rigorous safety and measurement accuracy protocols
• Facilitates global benchmarking and regulatory confidence

Access the full standard:View ISO 18646-6:2026 on iTeh Standards

ISO 8636-1:2026 - Machine Tools — Testing Accuracy of Bridge-Type (Portal) Milling Machines

Machine tools — Test conditions for bridge-type milling machines — Part 1: Testing of the accuracy of fixed bridge (portal-type) machines

Precision machining forms the backbone of advanced manufacturing, and this standard sets out geometric and positioning accuracy verifications for numerically controlled (NC) bridge-type milling machines with fixed bridges (portal-type designs). Covering machines with moving tables and fixed double columns, ISO 8636-1:2026 aligns closely with ISO 230-1 and ISO 230-2 for testing methodology.

The new edition brings significant technical revisions, including:

• Updated references to current test codes and axis designations
• Expanded tests for linear and rotational errors (including new tolerances for long axes up to 10,000 mm travel)
• Enhanced straightness and angular error analysis for Z- and W-axes
• Clarified testing scope (excluding operation, vibration, speed/feeds, and certain spindle head types)
• User guidance on selection and application of the various tests

Key users are machine tool OEMs, integrators, and end-users responsible for equipment acceptance, maintenance verification, and procurement. Adopting the standard ensures reliable, globally recognized machine acceptance, minimizes risk, and supports consistent part quality.

Key highlights:

• Provides unified terminology and reference axes for NC bridge-type milling machines
• Introduces new and refined geometric and accuracy test methods
• Supports thorough, traceable acceptance and periodic inspection

Access the full standard:View ISO 8636-1:2026 on iTeh Standards

ISO 18275:2026 - Welding Consumables — Classification of Covered Electrodes for Manual Metal Arc Welding of High-Strength Steels

Welding consumables — Covered electrodes for manual metal arc welding of high-strength steels — Classification

ISO 18275:2026 provides a comprehensive classification system for covered electrodes used in manual metal arc (MMA) welding of high-strength steels—with minimum yield strengths above 500 MPa or tensile strengths above 570 MPa. This dual-system specification accommodates both yield-strength and tensile-strength based designations (Systems A and B), addressing global market needs from Europe to the Pacific Rim.

The standard outlines:

• Requirements for as-welded and post-weld heat treated conditions
• Symbol and designation systems (product/process, mechanical properties, chemical composition, electrode covering, current type, and more)
• Mandatory and optional test regimes, including impact/tensile performance, hydrogen content, and diffusible hydrogen evaluation
• Guidance for procurement, testing sequence, and detailed examples

Applicable not just to electrode manufacturers and welding engineers, but also to code compliance specialists and project managers in construction, offshore, shipbuilding, and heavy engineering.

Key highlights:

• Harmonizes classification for both European (System A) and Pacific Rim (System B) electrode standards
• Clarifies impact energy and strength criteria, enabling confident material selection
• Updated tables, hydrogen assessment methods, and technical refinements from prior editions

Access the full standard:View ISO 18275:2026 on iTeh Standards

EN IEC 62841-3-11:2026 - Electric Motor-Operated Tools — Safety for Transportable Combined Mitre and Bench Saws

Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery - Safety - Part 3-11: Particular requirements for transportable combined mitre and bench saws

EN IEC 62841-3-11:2026 defines stringent safety and performance requirements for transportable combined mitre and bench saws—critical equipment in woodworking and fabrication. Applicable to saws with toothed blades for wood, plastics, and non-ferrous metals (excluding magnesium), it supplements IEC 62841-1 and harmonizes with prominent European directives.

Key provisions include:

• Mechanical hazard mitigation (blade contact, kickback, guard design)
• Marking, instructions, and user information
• Requirements for electrical safety, moisture resistance, and overload protection
• Testing protocols for mechanical endurance and abnormal operation
• Exclusions for saws with automatic feed, abrasive wheels, or designed for certain materials (e.g., steel, food)

Tool makers, certification bodies, and safety managers should prioritize implementation to minimize workplace incidents and pass third-party conformity assessments. This standard supersedes earlier versions and includes new mitigation measures for emerging tool designs.

Key highlights:

• Enhanced anti-kickback and guard design requirements for operator protection
• Comprehensive electrical/mechanical safety integration and endurance testing
• Aligned with current EU and IEC regulatory frameworks for quick market access

Access the full standard:View EN IEC 62841-3-11:2026 on iTeh Standards

Industry Impact & Compliance

Adopting the latest international standards offers manufacturing organizations a host of strategic advantages:

• Improved process reliability and productivity by aligning performance expectations and measurements
• Reduced liability through enhanced workplace safety provisions and evidence-based risk control
• Simplified market access supported by harmonized requirements recognized across borders
• Streamlined supplier qualification and procurement using unified specification frameworks
• Facilitated regulatory compliance for exports, accreditations, and third-party audits

Implementation timeline and compliance planning should align with each standard’s national adoption date. Early adoption encourages smoother transitions, particularly in highly regulated industries or where design validation is critical. Failing to comply risks non-conformity findings, potential recalls, or regulatory penalties.

Technical Insights

Across these four comprehensive standards, some common themes and technical best practices emerge:

• Objective, repeatable testing: Emphasis on calibrated sensors, environmental controls, and well-defined test scenarios
• Safety-first design: Whether for robots, machines, or tools, user protection through fail-safes, physical guards, and emergency stops is prioritized.
• Precise classification systems: For welding electrodes and equipment axes, standardized symbols enable clear communication across stakeholder groups.
• Material compatibility and longevity: Rigorous verification of environmental, mechanical, and chemical properties ensures suitability for demanding applications.

Best practices for implementation:

1. Conduct a gap assessment between existing processes and the new standard
2. Update documentation, SOPs, and training for relevant personnel
3. Calibrate and validate measuring equipment per specification
4. Plan for periodic re-evaluation and ongoing compliance audits

Certification bodies, testing laboratories, and procurement teams should work collaboratively to interpret the standards’ intent and facilitate organization-wide knowledge transfer.

Conclusion & Next Steps

May 2026’s new releases solidify the international framework supporting innovation, safety, and efficiency in manufacturing engineering. Proactive engagement—whether by quality managers ensuring machine accuracy, R&D teams benchmarking novel robotics, or procurement professionals qualifying new welding consumables—enables organizations to harness the full benefits embedded in these standards.

Recommendations:

• Download and study the full text of each relevant standard
• Initiate internal awareness and training campaigns around new requirements
• Partner with iTeh Standards for timely alerts and authoritative documentation

Stay tuned for Part 1 of this series and future updates on manufacturing engineering standards. To ensure your operations are always at the forefront of compliance and innovation, visit iTeh Standards today.