Binders can be laid onto the web surface to join the fibers together chemically. This may result in surface blemishes, and so needs careful inspection.
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Composite nonwovens combine a mixture of fibers and plastics to form a specialized fabric. This requires surface monitoring to ensure the different components form a uniform surface.
Webs of synthetic fibers are bonded together by heat, often applied by heated rolling. An automated inspection system will detect any surface defects from this production process.
Fibers can be spun into a web by directed, heated air through a continuous process. Manual inspection can be difficult at this stage, so an accurate automated solution is required.