3D Dimensional Inspection, 3D dimensional inspection not only allows you to verify dimensions and tolerances with
unprecedented accuracy, but also offers a holistic view of the component.
In this article, we discuss the advantages of this technique in terms of efficiency and
productivity, and illustrate the requirements for accessing these benefits.
Unlike point or plane measurements, 3D systems, such as coordinate measuring machines (CMMs) or optical scanners, capture the entire geometry of a part, generating a point cloud or a complete digital model.
This translates into a significant improvement in product quality, reduced waste, and greater reliability. 3D inspection doesn’t simply determine “if” a part is compliant; it provides a detailed analysis of the “why” or “where” the nonconformity is located, facilitating process correction.
It is therefore a strategic and indispensable tool, ensuring that each component fully meets expectations.
In terms of technologies, we primarily use two types of equipment.
Coordinate measuring machines (CMMs) are the industry standard for precision metrology.
Through a sensor that physically touches the part at predefined points, the CMM records the spatial coordinates with micrometer precision, then compares the data with the mathematical reference model. CMMs are ideal for checking very tight tolerances and complex geometries.
In addition, we use 3D optical scanners that, without contact, project light patterns onto the part's surface to capture its shape and generate a digital point cloud. This method is particularly efficient for analyzing complex geometries, curved surfaces, and for inspecting large samples, offering a complete view of the component quickly.
By combining these technologies, we are able to perform a comprehensive analysis that verifies every aspect of the component, ensuring that design specifications are met in every detail.
Dimensional inspection of mechanical parts, from product to report The dimensional inspection process of mechanical parts culminates in data acquisition, particularly analysis and reporting. Once our tools have acquired the component's geometries, the raw data is processed and compared with the 3D mathematical model. At this stage, we inspect the profiles, cylindricity, and orientation of each individual feature, translating it into a clear and understandable report. This report is not just a list of measurements, but a comprehensive and objective overview of the part's compliance, intuitively highlighting areas within tolerances and those with potential deviations, often with the aid of color maps. For our customers, receiving a certified dimensional inspection report means having absolute certainty that each component meets the highest standards. This makes it a strategic tool for traceability, quality management, and dispute resolution. Our commitment is to transform metrological data into actionable information, ensuring the peace of mind of knowing that final products are of impeccable quality.
Mail – cab@cab-bertola.it Telefono – 041 5950 317
3D Dimensional Inspection Technologies: State of the Art
In the world of metalworking, ensuring precision has always been a fundamental pillar. While in the past, calipers and micrometers were the tools of choice for measurement, the evolution of component geometries and the increasingly stringent tolerances required by technological advances have made a leap in quality indispensable. 3D dimensional inspection today represents the new standard in industrial metrology, overcoming the limitations of traditional methods.Unlike point or plane measurements, 3D systems, such as coordinate measuring machines (CMMs) or optical scanners, capture the entire geometry of a part, generating a point cloud or a complete digital model.
This translates into a significant improvement in product quality, reduced waste, and greater reliability. 3D inspection doesn’t simply determine “if” a part is compliant; it provides a detailed analysis of the “why” or “where” the nonconformity is located, facilitating process correction.
It is therefore a strategic and indispensable tool, ensuring that each component fully meets expectations.
The 3D measurement process: how it works and which tools we use
The 3D measurement process we adopt at CAB is based on a rigorous methodology and the use of cutting-edge technologies: the combination of these two elements allows us to capture the entire geometry of the component quickly and precisely, overcoming the limitations of manual measurement.In terms of technologies, we primarily use two types of equipment.
Coordinate measuring machines (CMMs) are the industry standard for precision metrology.
Through a sensor that physically touches the part at predefined points, the CMM records the spatial coordinates with micrometer precision, then compares the data with the mathematical reference model. CMMs are ideal for checking very tight tolerances and complex geometries.
In addition, we use 3D optical scanners that, without contact, project light patterns onto the part's surface to capture its shape and generate a digital point cloud. This method is particularly efficient for analyzing complex geometries, curved surfaces, and for inspecting large samples, offering a complete view of the component quickly.
By combining these technologies, we are able to perform a comprehensive analysis that verifies every aspect of the component, ensuring that design specifications are met in every detail.
Dimensional inspection of mechanical parts, from product to report The dimensional inspection process of mechanical parts culminates in data acquisition, particularly analysis and reporting. Once our tools have acquired the component's geometries, the raw data is processed and compared with the 3D mathematical model. At this stage, we inspect the profiles, cylindricity, and orientation of each individual feature, translating it into a clear and understandable report. This report is not just a list of measurements, but a comprehensive and objective overview of the part's compliance, intuitively highlighting areas within tolerances and those with potential deviations, often with the aid of color maps. For our customers, receiving a certified dimensional inspection report means having absolute certainty that each component meets the highest standards. This makes it a strategic tool for traceability, quality management, and dispute resolution. Our commitment is to transform metrological data into actionable information, ensuring the peace of mind of knowing that final products are of impeccable quality.
Looking for a partner for 3D dimensional control?
Contact us now!Mail – cab@cab-bertola.it Telefono – 041 5950 317