Glossary / Lexicon

ISO 8514-2 is a standard within the realm of quality management, specifically focusing on the calibration of coordinate measuring machines (CMMs). This standard provides detailed guidelines and procedures for the calibration of CMMs, ensuring their accuracy and reliability in measuring geometric dimensions and tolerances of manufactured parts. It outlines requirements for the calibration process, including equipment, procedures, and documentation, to verify and maintain the performance of CMMs within specified tolerances. ISO 8514-2 addresses various aspects of CMM calibration, such as geometric accuracy, probing performance, and environmental influences, to ensure consistent and traceable measurement results. Compliance with this standard helps organizations uphold quality assurance practices and meet regulatory requirements in industries where precise dimensional measurements are critical.

Application Areas

• Manufacturing: Calibration of CMMs is essential in manufacturing processes to verify the dimensional accuracy of machined parts and ensure compliance with design specifications.
• Aerospace: CMMs are extensively used in aerospace manufacturing to measure complex geometries of aircraft components and ensure adherence to stringent quality standards.
• Automotive Industry: Calibration of CMMs is crucial in automotive manufacturing for inspecting engine components, body panels, and other critical parts to meet safety and performance requirements.
• Medical Device Manufacturing: CMM calibration is vital in the production of medical devices to ensure precision and accuracy in the fabrication of implants, surgical instruments, and prosthetics.

Treatment and Risks

• Treatment: Adherence to ISO 8514-2 guidelines ensures the reliability and accuracy of CMM measurements, minimizing errors in dimensional inspection and improving product quality. Regular calibration and maintenance of CMMs according to this standard help prevent inaccuracies and drift in measurement results, ensuring consistent performance over time.
• Risks: Non-compliance with ISO 8514-2 may lead to inaccurate measurements, resulting in defective or non-conforming products that can compromise safety, reliability, and regulatory compliance. Failure to calibrate CMMs properly may also result in increased rework, scrap, and production delays, negatively impacting productivity and profitability.

Examples

• Calibration of a CMM used in a precision machining facility to ensure accurate measurement of machined components.
• Verification of a CMM's probing performance according to ISO 8514-2 standards to assess its capability to measure complex geometries.
• Periodic calibration of a CMM in an automotive assembly plant to maintain dimensional accuracy in stamped metal parts.
• Calibration of a CMM in a medical device manufacturing facility to verify the accuracy of surgical implants and instruments.

Similar Concepts and Synonyms

• Coordinate Measuring Machine Calibration Standard
• Geometric Dimensioning and Tolerancing (GD&T) Calibration Standard
• Metrology Standard for CMMs
• ISO 8514 Part 2

Summary

ISO 8514-2 is a standard that specifies calibration procedures for coordinate measuring machines (CMMs) used in quality management processes. It ensures the accuracy and reliability of CMM measurements, particularly in industries where precise dimensional inspection is crucial for product quality and compliance. Compliance with this standard helps organizations maintain consistent measurement results, prevent production errors, and meet regulatory requirements. Adherence to ISO 8514-2 guidelines mitigates risks associated with inaccurate measurements, enhances product quality, and promotes confidence in measurement data used for decision-making in manufacturing and other industries.

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