MACHINERY | DOWNSTREAM
Right: A WPC decking board maker uses Pixargus’ ProfilControl 7 DX WPC for inline inspection
receives immediate warning in the case of a fault and can take necessary action. The combination of X-ray measuring systems and lump detection helps to raise product quality, says Koobas.
Warp factor Inoex introduced Warp CP – a new system for measuring corrugated pipe – at K2022. It uses eight radar-based wall thickness sensors to measure a variety of structures in a pipe. These include outer and inner diam- eters, and the wall thicknesses of the bell, crest, liner and valley. The system is available for large corrugated pipes with diameters from 300mm. The sensors scan the corrugated pipe continu-
ously. Because the corrugated tube has different structures, it is necessary to assign the measure- ment data to the corresponding position on or in the pipe, says Inoex. This is done automatically by Warp-CP’s algorithms. Data is prepared for the user in in the form of
different graphics and measurement data for each structure.
Below: Microduct maker Hoehle uses Sikora’s X-ray measur- ing systems for inline quality control
In addition, Inoex showcased its Warp 100, an inline system for wall thickness and diameter measurement. It is available in three sizes and can be used for measurements in the 60-630mm diameter range. Special optics allow the alignment of the radar wave to be focused on the centre of the pipe.
Triangulating flaws The FlawSense dimensional surface flaw detection system from LaserLinc uses high-speed laser line triangulation to inspect products such as pipes and
profiles. The company says it can detect lumps, gels, pits, slits and other surface defects – and perform the same functions as conventional laser micrometers, lump and neckdown detectors and camera-based systems. Manufacturing personnel can later review the defects in 3D for deeper analysis. The system can perform 360° in-process inspection, regard- less of product orientation in the
measurement field. I “FlawSense is a high-performance
inspection system that uses the most advanced laser triangulation technology and is more accurate and capable than conventional inspection sys- tems,” according to Chad Walker, product manager at LaserLinc.
LaserLinc says that traditional systems typically
offer limited measurement points per sensor, are unable to measure the full contour of the product or see false positives due to the presence of text and labels.
FlawSense digitises thousands of individual
measurement points around the contour of the product to reveal the smallest surface anomalies. It then produces a 3D point cloud image that can be manipulated for further analysis. The system can detect surface defects down to 5 microns – and claims 10 times better resolution than camera- based systems. The system is suited for inspecting high-value
products such as high-pressure hose for automo- bile and aerospace applications.
Pipettes tie-up Conair, Davis-Standard and Zumbach Electronics demonstrated extruded polycarbonate pipettes at the MD&M West/Plastec West 2023 show in Anaheim, USA earlier this year. The pipettes were made by extruding medical-
grade, 0.25in polycarbonate tube, which was then cut into 5in pipettes that needed no secondary cleaning or finishing operations. Several Conair products were used on the line. The polycarbonate was pre-conditioned using a
Conair dX25 Carousel Plus desiccant dryer. It regulates critical drying setpoints and resin moisture and automatically regulates material movement through to the extruder. Polycarbonate moving from the hopper to the extruder also passed through Conair’s Moisture Minder, an in-line device that reads the moisture content of moving resin.
22 PIPE & PROFILE EXTRUSION | September 2023
www.pipeandprofile.com
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IMAGE: SIKORA
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