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Precision Machined Part Inspection With 3D Profilometry

Precision machined parts manufacturing calls for stringent inspection to ensure product quality and repeatable production standards. The 3D surface inspection of the part compared to CAD model is essential to verify part tolerance and machine quality. Moreover, during the service time, wear and tear of the parts may create surface defects such as scratches, dents and cracks. The part needs to be replaced when the deviation from the required specification is over the tolerance limit. Unlike a touch probe technique, the Nanovea ST400 Profilometer performs 3D surface measurement without touching, making it possible to precisely scan parts with a complex shape at a high speed.

Precision Machined Part Inspection With 3D Profilometry

Mechanical Properties of Hydrogel using Nanoindentation

In this application, the Nanovea Mechanical Tester, in Nanoindentation mode, is used to study the hardness, elastic modulus and creep mechanical properties of a Hydrogel sample. In this case a sample of Hydrogel can simply be placed on a glass slide due to the softness and low load being used to test; testing could also be preformed while in liquid. For this soft material a 3mm spherical tip will be used. This is to give good information on the Hydrogel and not on surface properties that might be different. This can be studied using a shaper Berkovich tip.

Mechanical Properties of Hydrogel using Nanoindentation

Fresnel Lens Dimension Measurement Using 3D Profilometry

A Fresnel lens is extensively employed in industry, such as automobile, lighthouses, solar energy and optical landing system for aircraft carriers. The inexpensive production of Fresnel lenses can be completed by molding or stamping them out of transparent plastic. The service quality of the Fresnel lenses mostly depends on the precision and surface quality of the concentric rings lenses. Unlike a touch probe technique, the Nanovea Profilometer performs 3D surface measurement of the sample without touching, avoiding the risk of making new scratches during the surface measurement. The chromatic confocal technique is ideal for precise scan of a complex shape, such as lenses of different geometry.

Fresnel Lens Dimension Measurement Using 3D Profilometry

Tribology Study of Dental Dog Treat Friction

Flavored dental treats have been demonstrated as an effective, comfortable and easy to use method for dog dental cleaning. The Flavorful and chewy dental treats make teeth and gums cleaning an enjoyable procedure. During the chewing mechanical actions, the dental treat creates friction against the surface of the teeth to remove tartar and bacteria films. A reliable tribology study is needed to quantitatively compare the effectiveness of dog dental treats of different surface texture and roughness, and to provide insight of the correlation of the surface roughness, texture and friction to facilitate the R&D and quality control of the dental treat production.

Tribology Study of Dental Dog Treat

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