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The next time I had to take a picture of a drink, I washed and dried the glass as usual, then polished it with one of my fancy new microfiber cloths. When I held the glass up to the light, I saw nothing—no speck, no smudge, no streak. My Mr. Siga cloths quickly became a necessary part of my photoshoots; I even used them to handle clean glassware so as not to leave fingerprints.
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Surface finishing is the process of refining surface deviations for optimal part performance. For some applications, roughness may be desired to promote adhesion for finish coatings such as painting, powder coating or plating while others may need a smooth, mirror like finish with a low Ra value.
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I eventually settled on a six-pack of Mr. Siga Ultra Fine Microfiber Cloths. They didn’t look like typical microfiber—they were woven, not shaggy—and they weren’t specifically marketed as screen cleaners, but reviewers loved them for that purpose and I hoped I would too. Plus, I figured if they weren’t great for my screen, I’d find other uses for them.
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Maintaining surface control during manufacturing is critical for reliable, consistent products. In tribology, rough surfaces usually wear more quickly and may have higher friction coefficients than smooth ones. Irregularities on the surface may form nucleation sites for cracks, corrosion and may lead to part failure.
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Beyond erasing spots and streaks from glassware and screens, these microfiber cloths are the easiest way to get streak-free stainless-steel appliances (with the help of a little spray cleaner). And while I don’t recommend replacing all of your microfiber with these—the cheap stuff is a great way to clean up spills and messes—they’re perfect for a fingerprint-free finishing touch.
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My desire for impeccably spotless glassware started out reasonably enough. My city has fairly hard water so I always kept the dishwasher full of rinse aid. When I had the time, I’d also give clear glasses an extra wipe down with a lint-free kitchen towel before putting them on the shelf.
ISO 9001:2015 certified and FFL licensed, ISO Finishing is an expert in creating customized, documented and repeatable isotropic surface finishing processes. We are experienced in working with all material types and our surface finishes meet the strictest requirements.
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A product’s end use and material type are factored into the final surface finish value. The required Ra or final surface finish a part requires is called out by manufacturers and engineers on a product’s drawing or print.
Near-infrared cameras are often used for inspection purposes. For example, they are used for the inspection of semiconductor wafers, solar cells and various ...
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Welcome to Clean Enough, a new kind of cleaning column for busy home cooks who have better things to do than scrub and sanitize around the clock. Every other week, neurodivergent writer and mom Emily Farris shares tips, tools, and products that can help you stay on top of the dirtiest spots in the kitchen while also dispelling a few cleaning myths and cutting down on clutter.
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I don’t do much photography these days, but I still wear glasses, so I always carry a blue polishing cloth with me everywhere I go. They’re stashed all over my house, too, including the two I keep at my desk.
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MTF measures a lens's ability to maintain contrast at specific resolutions, presented graphically for easy interpretation.
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The mean arithmetical value of surface roughness is represented using a single numeric parameter, Ra. A Ra value is calculated using the average height of the peaks and valleys measured from the center line across a standard length. Ra values are commonly represented either in microinches (µin) or micrometers (µm) and provides a simple value to accept or reject decisions.
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Well, they were great for polishing my screen, and within a week I was using them for even more: windows, mirrors, and even my eyeglasses. I had finally found the best microfiber cloth for glass.
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Then, in late 2020, I realized I was probably going to spend the rest of my life at my desk, so I ordered a fancy external computer monitor with a high-resolution display. And because I absolutely cannot focus on my work if there’s a fingerprint or smudge on my screen, I started searching for the best screen cleaning cloth available online.
But my mild intolerance for spots and streaks morphed into a full-blown hyperfixation about a decade ago when I started photographing wine and cocktails. I quickly learned that even when a drinking glass looks perfectly clean to the naked eye, the camera will pick up the slightest imperfection and then magnify it, like, 10 times on the screen. I did my best to get the glasses truly picture-perfect, but I usually had to edit out tiny imperfections after the fact.
As I started to slowly reenter the world after lockdown, I became a polishing cloth evangelist. When I ran into friends and noticed their eyeglasses were dirty, I’d bust out my blue cloth and hand it over. Every single bespectacled person who tried it wanted the link so they could buy their own.
Mass surface finishing allows for the mechanical deburring, descaling, and polishing of multiple parts simultaneously. Utilizing different media types, processing speeds and cycle lengths can achieve the precise polishing or texturizing a part requires.
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The topography of a surface is comprised of deviations which make up a part’s surface texture. These deviations include surface roughness, waviness, form, lay and flaws. While all deviations impact overall performance, surface roughness determines how an object will interact with its environment and is a good indicator of a mechanical component’s performance. Surface roughness can be seen as the closely spaced peaks and valleys on a surface and are the result of the material condition and production process used.
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Recently, while wandering through Target, I spotted (through my spotless lenses) something that looked nearly identical to my Mr. Siga cloth, packaged with shaggier gray microfiber. I bought a set for comparison’s sake, and other than their tags and the fact that my old cloth was much more broken in, there’s no discernible difference between the two.
Apr 2, 2010 — There are several variations to the design: Page 12. 2-12. Reflection, refraction, diffraction, and scattering. © Fritz Albregtsen 2008 o ...
Both are 84% polyester and 16% nylon, and both leave my glassware and my eyeglasses completely streak-free. (The shaggy gray cloths that come with the Target brand are much more plush than the cheap version I usually buy on Amazon too.)