Video Measuring System - Types, Components, Functions and Role

A Video Measuring System (VMS) is a cutting-edge technology designed to accurately measure the dimensions, contours, and features of objects using video technology. It employs cameras and specialized software to capture images or video footage of the object which enables precise analysis and measurement extraction.

1. Video Measuring System - Types,
Components, Functions and Role


What is a Video Measuring System?

A Video Measuring System (VMS) is a cutting-edge technology designed
to accurately measure the dimensions, contours, and features of objects
using video technology. It employs cameras and specialized software to
capture images or video footage of the object which enables precise
analysis and measurement extraction.


Importance of Video Metrology

Video metrology plays a crucial role in industries requiring high-
precision measurements. It ensures accuracy, repeatability, and
efficiency in quality control, manufacturing processes, and research
endeavors. By providing non-contact measurements, it reduces the risk
of damage to delicate components and enhances productivity.



Types of Video Measuring Systems


1. Standalone Video Measuring Machines:

These are self-contained systems equipped with high-resolution
cameras, precision optics, and advanced software algorithms for image
analysis.
VMMs are used in quality control labs and manufacturing environments
for accurate dimensional measurements of components and parts.

2. 2. Integrated Video Measurement Systems :

Integrated into production lines, these systems provide real-time
measurement feedback during manufacturing processes. They
seamlessly integrate with robotic arms or machining centers to ensure
product quality and process optimization.

3. Portable Handheld Video Measuring Devices:

Compact and lightweight, these devices consist of handheld probes or
cameras connected to portable displays. They are ideal for field
inspections, enabling engineers to perform measurements on-site or in
remote locations.

4. Multi-Sensor Video Measuring Systems:

These systems combine video measurement capabilities with additional
sensors like touch probes or laser scanners. They offer versatility,
allowing users to employ different measurement techniques as needed
for comprehensive inspections.


5. Automated Robotic Video Measurement Cells:

Robotic arms equipped with cameras and sensors perform precise
measurements in high-volume production environments. These cells
streamline the inspection process, ensuring consistent and reliable
measurements while reducing labor costs.



Components of a Video Measuring Machine


Here's a concise list of the core components of a Video Measuring
Machine (VMM):

3. 1. High-Resolution Cameras: Capture detailed images or video of
objects for precise measurement analysis.

2. Precision Optics and Lenses: Focus and magnify captured images
with minimal distortion for accurate measurements.

3. Motorized Stages: Enable controlled movement along multiple
axes (X, Y, Z) for precise positioning and scanning of objects.

4. Specialized Lighting Systems: Provide uniform illumination to
enhance image contrast and clarity for accurate measurement.

5. Software for Image Analysis: Advanced algorithms analyze
images to extract measurements, including edge detection and geometric
analysis.

6. Measurement Probes (Optional): Touch probes or laser sensors
complement video-based measurements for comprehensive inspections.

7. Control and User Interface: Allow operators to interact with the
VMM, set parameters, initiate scans, and review results.

9. Calibration Standards: Ensure measurement accuracy and
traceability over time through regular calibration using reference
artifacts.


These components form the foundation of a Video Measuring Machine,
enabling precise and reliable measurements in various industries, such
as manufacturing, aerospace, automotive, and medical devices.

4. Functions Video Measurement Machine


Here are the essential functions of a Video Measurement Machine
(VMM):

1. Image Capture: Utilizes high-resolution cameras to capture detailed
images or video footage of objects for measurement analysis.

2. Dimensional Analysis: Determines precise dimensions of features
such as lengths, widths, heights, and diameters based on captured
images.

3. Geometric Analysis: Assesses geometric properties like angles,
radii, circles, and straightness of features using image data.

4. Surface Texture Analysis: Evaluates surface textures, roughness,
and defects through advanced image analysis techniques.

5. Feature Recognition: Identifies specific features such as holes,
slots, and geometric shapes on objects for accurate measurement.

These functions enable Video Measurement Machines to provide
accurate and reliable measurements to ensure product quality and
process efficiency.



Advantages of Video Measurement Machine

Here are the key advantages of Video Measurement Machines (VMMs):

1. High Accuracy and Precision: VMMs provide precise
measurements, ensuring quality control and dimensional analysis with
exceptional accuracy.

5. 2. Non-Contact Measurement: They enable measurement without
physical contact, safeguarding delicate components from damage during
inspection.

3. Efficient and Rapid: VMMs offer fast measurement capabilities,
reducing inspection time and increasing productivity in manufacturing
processes.

4. Versatility: They can measure a wide range of objects, from simple
geometries to complex shapes, with consistent accuracy and
repeatability.

5. Automated Measurement: VMMs automate measurement
procedures, minimizing errors and increasing efficiency in inspection
tasks.


Working Principle of Video Measurement
Machine (VMM)

The Video Measurement Machine (VMM) functions by capturing high-
resolution images of objects, then processing them using specialized
software. This software extracts precise measurements based on
predefined parameters, analyzing dimensions, angles, and geometric
properties.

Operators interact with the machine through an intuitive interface,
setting parameters and reviewing results. Regular calibration ensures
accuracy over time. VMMs find applications in industries like
manufacturing, where they optimize quality control processes and
enhance product quality.

6. Role of Video Measurement Across
Different Industries

Here's how VMMs are utilized in various sectors:

1. Manufacturing Industry:

In manufacturing, VMMs play a crucial role in quality control by
ensuring that products meet specifications and standards. They
accurately measure dimensions, tolerances, and surface characteristics
of components and assemblies.

2. Aerospace and Defense:

In the aerospace and defense industries, VMMs are used to measure
critical components such as turbine blades, engine parts, and structural
components with high precision. They facilitate the inspection of
complex geometries and ensure compliance with strict safety and
performance standards.

3. Automotive Industry:

VMMs are integral to the automotive industry for inspecting engine
components, chassis parts, and body panels to ensure precise fit and
function. They contribute to the development of advanced automotive
technologies by providing accurate measurements for research and
development purposes.

4. Medical Device Manufacturing:

In medical device manufacturing, VMMs are used to measure intricate
components such as implants, prosthetics, and surgical instruments.
They ensure the dimensional accuracy and quality of medical devices,
contributing to patient safety and regulatory compliance.

7. 5. Electronics and Semiconductor Industry:

VMMs are employed in the electronics and semiconductor industry for
measuring small, delicate components such as microchips, circuit
boards, and connectors. They assist in detecting defects, ensuring precise
alignment, and verifying the integrity of solder joints.



Which is the Leading Brand in Video
Measurement Solutions?

VIEW is a renowned manufacturer and supplier of Video Measurement
Systems and Machines. Our VMMs integrate high-resolution cameras,
precision optics, and advanced software for accurate dimensional
analysis. With applications across industries like aerospace, automotive,
and medical devices, VIEW metrology solutions ensure quality control
and process optimization.



Conclusion

Video Measuring Systems signify a remarkable stride forward in
precision measurement technology. Leveraging video technology, these
systems deliver unmatched accuracy, efficiency, and adaptability across
diverse industries.

With ongoing enhancements in hardware and software, Video
Measurement Machines persist as indispensable tools, ensuring product
quality, process efficiency, and innovation.

VIEW stands at the forefront of this transformative technology.

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