Results: Fastener tip surface


Results: Fastener thread surface


3D profile of side surface 3D profile of tip surface 3D roughness parameters


ISO 25178 Height Parameters Sq


Ssk


Sku 1.608 Sp Sv Sz Sa


2D surface extraction 3D roughness parameters


108.8 µm 0.04808


183.7 µm 174.7 µm 358.3 µm 96.52 µm


2D surface extraction results


ISO 25178 Height Parameters Sq


Ssk


Sku 2.080 Sp Sv Sz Sa


2D surface extraction


131.8 µm -0.1714


274.2 µm 340.8 µm 615.0 µm 111.2 µm


2D surface extraction results


From 2D extraction pitch, height, angle, surface area, roughness and many others can be automatically calculated.


Conclusion:


In this application, we have shown how the Nanovea ST400 3D Non-Contact Profilometer can precisely characterise both the topography and the nanometer details of a micro threaded surface. From the 3D surface measurements, areas of interest can quickly be identified and then analysed with a list of endless measurements (dimension, roughness finish texture, shape form topography, flatness warpage planarity, volume area, step-height and others). A 2D cross section can quickly be chosen to analyse further details.


With this information threaded surface areas can be broadly investigated with a complete set of surface measurement resources. Special areas of interest could have been further analysed with an integrated AFM module. Nanovea 3D Profilometers speeds range from 20mm/s to 1m/s for laboratory or research to the needs of hi-speed inspection; can be built with custom size, speeds, scanning capabilities, Class 1 Clean Room compliance, with Indexing Conveyor and for Inline or online Integration.


www.fastenerandfixing.com 97


From 2D extraction pitch, height, angle, surface area, roughness and many others can be automatically calculated.


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