A look at different surface roughness measurement methods with focus on 3D scanning metrology

1. A look at different surface roughness measurement methods with focus on 3D scanning metrology

2. Over the years many industries have benefited from advanced precision manufacturing and one factor that has made it possible is the advancement of surface roughness measurement methods. By ensuring that surface roughness is within tolerable limits, both form and function of any equipment can be improved by a considerable extent. The methods of surface roughness measurement can be broadly classified into two categories: contact and non-contact. As their names suggest, contact based methods use a physical contact between the measurement device and the object in question, whereas non-contact methods do not require the two to physically interact with each other. Contact methods generally use a pin to see changes on the surface level, while non-contact methods like 3D scanning metrology use very high resolution light or lasers to check the roughness levels of the surface in question.

3. 3D Scanning Metrology Today, most of the advanced industrial applications prefer surface measurement by a non-contact method like 3D scanning metrology because of the high degree of precision, speed, as well as accuracy. Unlike any physical method which is limited by the size of the contact tip to be used for measurement, 3D scanning metrology uses light and the sheer minuteness of photos means they can deliver faster and way more accurate results than almost any other method. The measurement system is about as close as you can get to a ‘one size fits all’ solution. Plus, since there is no physical contact, it does not change or alter the surface being measured in any way. With a 3D solution, you can also measure different shapes and sizes with minimal changes required to device configuration. This means that the turnaround time for measurement is much faster than contact systems. For the advanced stage of prototyping, 3D scanning can deliver remarkable results that significantly improve the time to market.

4. Surface Roughness Measurement Methods The 3D non-contact based surface roughness measurement methods bring a lot of advantages to industrial processes. First, these systems are very effective for manufactured parts, as they easily capture areas of engineering optimizations. Another advantage is that operators can quickly do comparative measurements in real time for different sides of the same object without having to reposition the object being measured. These systems are also very useful in finding problems or errors in the manufacturing process by comparing multiple items from the same production line quickly, which are then compared against the base manufacturing specifications.

5. Source- https://www.wellarticles.com/a-look-at-different-surface-roughness-measurement-methods-with-focus-on-3d-scanning-metrology/

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