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Burrs on processed metal goods


Micron-sized shape measurement using a laser microscope

Burr
Burr

Application

Metal parts and processed goods are formed through the cutting and grinding of metal using various machining tools and processing methods. Typical metal processing includes "turning" (rotating a cylindrical or disk-shaped workpiece) and "milling" (rotating the tool to cut the workpiece), and these types of processing methods may leave a raised edge known as a burr on the surface. The burr is usually an unwanted piece of metal material. Burrs may have several adverse effects, preventing the component from fully serving as a connector, or causing injuries when the completed workpiece is touched. Therefore, deburring is an essential step in metal processing. In this step, it is important to accurately image the component’s shape to evaluate whether or not the burr has been properly removed.

The Olympus solution

Olympus' OLS5000 3D laser scanning microscope uses a 405 nm semiconductor laser and a confocal optical system to easily capture 3D images of micron-sized burrs formed during machining and perform accurate height measurement, enabling you to determine if burrs are present. The microscope also has superior detection ability for slopes, so you can even image burrs that have a steep inclination.

Images

Standard microscopic image of metal burr

Bur of Metal workpiece_3Dprofile

Bur of Metal workpiece_profile

Olympus IMS

Products used for this application


LEXT OLS5000NEW

With the Olympus LEXT OLS5000 laser scanning confocal microscope, noncontact, nondestructive 3D observations and measurements are easy to produce. Simply by pushing the Start button, users can measure fine shapes at the submicron level. Ease of use is combined with leading-edge features to deliver an acquisition speed four times faster than our previous model. For customers with larger samples, LEXT long working distance objectives and an extended frame option allow the system to accommodate samples as large as 210 mm.
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