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How Fixtures and Clamping Affect Measurement Reliability in Video Measuring Machines
In video measuring, the way a workpiece is clamped on the measuring stage directly affects the reliability of the measurement results. Many unstable data sets do not originate from the instrument itself, but from improper clamping practices. This article analyzes the influence of fixturing on measurement results from three aspects: clamping stability, workpiece deformation, and datum retention.
JatenSep 02 2026
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How Temperature Affects Measurement Accuracy in Video Measuring Machines
In precision dimensional measurement, temperature is one of the most prevalent yet easily overlooked factors affecting measurement results. All dimensional standards are defined at a reference temperature of 20°C, but actual production environments often cannot maintain this condition consistently, introducing measurement deviations that cannot be ignored in precision inspection.
JatenAug 27 2026
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How Illumination Methods Affect Edge Detection Accuracy in Video Measuring Machines
The core working principle of a video measuring machine (VMM) is to acquire an image of the workpiece through an optical imaging system, then use software to extract edge contours from the image and calculate dimensions based on edge positions. Therefore, the accuracy of edge detection directly determines the reliability of measurement results. Throughout the measurement chain, illumination method is one of the most significant factors affecting edge detection.
JatenAug 18 2026
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Resolution Is Not Accuracy — Common Misconceptions in Video Measuring Machine Specifications
In the selection and use of video measuring machines (VMMs), "resolution" and "accuracy" are the two most easily confused concepts. Many users treat the resolution value directly as accuracy when comparing instrument specifications, concluding that "this machine can meet my tolerance requirements." This approach carries systematic risk.
JatenAug 13 2026
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Optical Projection Imaging Principle: How Profile Projectors Magnify Workpiece Contours
In precision manufacturing, many components have complex two-dimensional contour structures, such as precision stamped parts, mold components, electronic parts, and cutting tools. These components are often small in size, making it difficult to accurately observe their detailed features through conventional methods.
JatenJul 23 2026
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Infinity Optical System: A Key Technology in Industrial Microscopes
Infinity optical system is an advanced optical structure widely used in modern industrial microscopes. Different from traditional finite optical systems, an infinity optical system uses an objective lens to produce parallel light rays, which are then focused into an image through a tube lens.
JatenJul 14 2026
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What Is an Infinity Optical System? Why It Becomes the Mainstream Structure of Industrial Microscopes
In industrial inspection, the optical system not only determines microscope imaging performance but also directly affects the equipment’s expandability and application flexibility.
JatenJul 07 2026
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Engineering Value of the Infinity Optical System in the Intermediate Image Region
The infinity optical system is widely used in industrial microscopes and video measuring systems. Compared with traditional finite optical structures, its key improvement is not only in imaging quality, but in the architectural redesign of the optical path—especially the parallel light region between the objective lens and the tube lens.
JatenJul 01 2026
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Structural Differences Between Finite and Infinity Optical Systems in Microscopes
In real-world microscope engineering and field maintenance, one key distinction is often misunderstood. The difference between finite and infinity optical systems is not simply about image quality or magnification, but about whether the optical path allows modular expansion.
JatenJun 24 2026
Recent Posts
How Fixtures and Clamping Affect Measurement Reliability in Video Measuring Machines
How Temperature Affects Measurement Accuracy in Video Measuring Machines
How Illumination Methods Affect Edge Detection Accuracy in Video Measuring Machines
Resolution Is Not Accuracy — Common Misconceptions in Video Measuring Machine Specifications
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