Dimensional metrology is the applied branch of metrology – the science of measurement – that deals with product dimensions. Accurate measurement of product dimensions allows for quality control and strict compliance of the products with design specifications and standards.
Mastery of measurement tools and techniques enhances efficiency
Measuring physical dimensions – length, angle, roundness, diameter and more – of many products and components is part of the daily work of many job profiles in manufacturing and industrial environments.
For example, the parts produced by CNC operators and metal workers must respect technical specifications within accepted tolerances. Quality assurance specialists rely on measurements and statistics to ensure product conformity and identify problems in the manufacturing process. Industrial mechanics and maintenance technicians measure a variety of industrial components for installation, maintenance, and repair tasks.
Developing manual dexterity and know-how about how to use, maintain, and even store a wide variety of common measuring hand tools (calipers, micrometers, tapes, rulers, gauges…), as well as correctly interpreting technical drawings, are basic skills that companies expect from their workers.
Practice makes perfect... with the right learning tools!
To efficiently build students' dimensional metrology skills, extensive hands-on experimentation is key. Students can be best prepared for the workplace performing a wide variety of lab activities of varying complexity and tied to reality.
Why is dimensional metrology important? How is it currently taught at school? What are key characteristics of a good training platform? Find the answers in this video:
Given the importance of the topic for manufacturing students, we developed a complete learning solution to systematically build skills in dimensional metrology. These turnkey training packages include all necessary instruments and parts for the measuring activities, as well as complete courseware.They give instructors full flexibility over the integration of dimensional metrology in their courses.
Three training packages form our complete learning solution:
- Basic dimensional metrology
Teach fundamental skills in linear and angular measurements. Proper selection and adequate handling of common measuring hand instruments can be challenging for beginners in dimensional metrology. Another challenge is to read various types of scales and unit systems.
- Geometric dimensioning and tolerancing (GD&T)
There is more to dimensional metrology than basic tools and notions: workers often handle advanced precision measuring instruments. Furthermore, technical drawings of manufactured parts and assemblies communicate important information regarding the geometry and the allowable variations in geometry and dimensions. It is critical for workers to correctly interpret symbols and values included in drawings and 3D representations.
- Statistical process control (SPC)
Closely related to dimensional metrology is SPC, an important control method used by quality assurance specialists. The monitoring and control of production processes emphasizes early detection and prevention of problems. Training in SPC focuses more on computer-based tools rather than on the manipulation of measuring instruments for a complete coverage of dimensional metrology.
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