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  • Surface Texture Parameters
    Every part's surface is made up of texture and roughness which varies due to manufacturing techniques and the part structure itself. To understand a component's surface and to control the manufacturing process to the degree required in today's modern world, it is necessary to quantify the surface
  • Optical Instruments Defining the Evolution of Surface Texture Measurement in Manufacturing
    Surface texture measurement has a history that began a century ago with the advent of contact-type 2D measurement. Although measurement using optical instruments has been in existence almost as long as contact-type measurement, optical instrument measurement did not become widely used until about
  • Surface Analysis: Beyond Roughness
    and the reasons for doing so go far beyond roughness. In fact, many experts choose to use the terminology of "surface texture" rather than simply calling these characteristics "roughness.". Some measurements determine how a surface will bear loads, while others determine how well a surface provides
  • Measuring Surface Roughness and Texture
    We usually think of "smooth" as "slick" or "slippery." But did you know that a surface that is too smooth can actually be 'sticky'? Racing slicks on dragsters increase traction with the pavement, and a racing sailboat hull that is too smooth can actually increase drag through the water. In fact
  • Texture and Microstructural Gradients in an Extruded Aluminium Profile (.pdf)
    OIM measurements were used to investigate the texture and microstructural gradients observed in extruded aluminium profiles. The material used in this study was an AlMgSi-alloy containing 0.45 wt% Mg and 0.44 wt% Si extruded into a flat profile with a cross section of 207 x 3 mm2 carrying a fully
  • Seeking a Smoother Way to Measure Roughness
    In seeking a way to measure surface texture, Brown found confocal technology from Olympus to be among the most versatile in terms of dealing with surfaces and roughness.
  • Surface Finish: A Machinist`s tool. A Design Necessity
    Surface finish, or texture, can be viewed from two very different perspectives. From the machinist's point of view, texture is a result of the manufacturing process. By altering the process, the texture can be changed. From the part designer's point of view, surface finish is a condition
  • Safety Standards for Slips, Trips and Falls
    According to the National Safety Council, compensation and medical costs associated with employee slip and fall accidents are approximately $70 billion annually. There are many factors that contribute to slip and fall accidents such as footwear type, walkway type, surface levelness, surface texture
  • What Does Self-Lubrication Mean?
    conditions, the PTFE is sheared and compacted in the surface texture of the shaft. This happens because the PTFE molecular "strands" are very stringy and as a result can fill the macroscopic voids in the shaft. Since PTFE has a melting temperature of 612°F, a "smearing" action of the PTFE around
  • PLASTICS REFERENCE GUIDE
    (30-ips clamp speed at 50% stroke). Milacron Inc., Plastics Technologies, 4165 Halfacre Rd., Batavia, OH 45103, (513) 536-2428. Bonding low surface energy plastics Adhesion is a surface phenomenon. A surface's texture, porosity, and flexibility affect the adhesive strength of a plastic joint. Ditto
  • Automating Physical Test on Pharmaceutical Products
    Consumers judge pharmaceutical products to some extent on how the item feels to the touch. This property can be described by the term "Texture" which is considered to be a mix of related, multi-dimensional attributes. A well accepted definition is that "Texture" is the sensory and functional
  • Specular Component Included (SCI) vs. Specular Component Excluded (SCE)
    The texture and glossiness of your samples may make them appear brighter, duller, lighter, or darker. This is because an object's surface condition directly affects how the wavelengths of light reflect off that object and how our eyes will perceive its appearance. To more effectively evaluate
  • Coming: Self-cleaning glass and super-slick surfaces
    Ohio State University (OSU) engineers are designing superslick, water-repellent surfaces that could lead to self-cleaning glass. The patentpending technology could also reduce friction between tiny moving parts inside microdevices. The technology creates a surface that mimics the texture of lotus
  • Appearance Engineering Innovative Moulding Technologies Update (.pdf)
    Appearance of moulded parts is very unpredictable. This becomes apparent when PP an ABS parts in the 'same' colour are mounted adjacent to each other. Different polymers can provide different surface / gloss, look different when made from the same mould or texture, and look the same when viewed
  • Medical Device Link .
    Implants, minimally invasive devices, diagnostic systems, and other products that interact with the body often require advanced surface treatment. However, processes such as electrochemical etching and micromechanical machining can be too costly or insufficiently targeted for all applications

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  • Optical Measurement of Surface Topography
    Chromatic confocal probe instruments are included in the classification of sur- face texture instruments (ISO 25178-6 2010) and described in a recently published ISO document (ISO 25178-602 2010).