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Evaluation of razor blade edges/Micro shape measurement using a laser microscope


Application

A razor’s cutting ability depends on the condition of the blade edge, and a chipped blade makes the razor dull. When testing a blade’s durability, it is important to correctly capture the shape of the blade edge for quality improvement. However, due to the blade edge’s extremely acute angle, it is difficult to capture accurate images of the edge’s shape.

The Olympus solution

Olympus' OLS4100 3D scanning laser microscope has a very high detection sensitivity for slopes, enabling three-dimensional observation and measurement of the small shape of a razor blade edge. By comparing new and used blades, you can visually check edges whose sharpness has deteriorated, and the high-resolution and high-precision 3D shape m\easurement enables you to quantitatively evaluate the angle of the edge and the depth of chipping.

Non-defective blade edge

Razor blade_new_ob100x3D

Razor blade_new_ob100x3D

Objective lens: 100X Zoom: 1X

Chipped blade edge after use

Razor blade_used_ob100x3D

Razor blade_used_ob100x3D

Objective lens: 100X Zoom: 1X

Products used for this application


LEXT OLS4100

LEXT OLS4100是一款激光扫描显微镜,通过非接触的方式进行样品表面三维形貌观察和测量。最高分辨率达10nm,可以方便快捷地获取影像,同时配备丰富的测量功能。
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