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  2. Honing oil - Wikipedia

    en.wikipedia.org/wiki/Honing_oil

    There are many different kinds of honing oils to suit different needs. It is important to use the appropriate solution for the job. In the case of knife sharpening, motor oil is too thick or heavy and can over-lubricate or clog a sharpening stone, whereas WD-40 is too light an oil and will not carry the metal filings plus stone dust (collectively known as swarf) away from the stone, and clog it.

  3. Talk:Sharpening stone - Wikipedia

    en.wikipedia.org/wiki/Talk:Sharpening_stone

    An oilstone is used with a lubricant. The stone is firm and flat, and this lubricant cools, lubricates and carries away waste from the workpiece. The lubricant is often oil, but water is commonly used too. A stone like this, used with water, is often called a whetstone (from "whetting", not from "wet"). A waterstone is quite different.

  4. Material properties of diamond - Wikipedia

    en.wikipedia.org/wiki/Material_properties_of_diamond

    Diamond cutters use this attribute to cleave some stones, prior to faceting. [ 13 ] [ 14 ] Ballas and carbonado diamond are exceptional, as they are polycrystalline and therefore much tougher than single-crystal diamond; they are used for deep-drilling bits and other demanding industrial applications. [ 15 ]

  5. Tumble finishing - Wikipedia

    en.wikipedia.org/wiki/Tumble_finishing

    A collection of gemstone pebbles. Most of these stones, except four rough ones, were tumbled and polished. Tumbling of rocks as a lapidary technique for rock polishing usually requires a plastic or rubber-lined barrel loaded with a consignment of rocks, all of similar or the same hardness, some abrasive grit, and a liquid lubricant.

  6. Jewel bearing - Wikipedia

    en.wikipedia.org/wiki/Jewel_bearing

    In such instruments, jewel bearings are often used as pivots for their needles which need to move reliably and with low variability even when measuring small changes. Bearing bores are typically smaller than 1 mm and support loads weighing less than 1 gram , although they are made as large as 10 mm and may support loads up to about 500 g. [ 3 ]

  7. Sharpening stone - Wikipedia

    en.wikipedia.org/wiki/Sharpening_stone

    The term is based on the word "whet", which means to sharpen a blade, [2] [3] not on the word "wet". The verb nowadays to describe the process of using a sharpening stone for a knife is simply to sharpen, but the older term to whet is still sometimes used, though so rare in this sense that it is no longer mentioned in, for example, the Oxford Living Dictionaries.

  8. Honing (metalworking) - Wikipedia

    en.wikipedia.org/wiki/Honing_(metalworking)

    Due to the oscillation, each slice of the honing stones touch a large area of the workpiece. Therefore, imperfections in the honing stone's profile cannot transfer to the bore. Instead, both the bore and the honing stones conform to the average shape of the honing stones' motion, which in the case of bore honing is a cylinder.

  9. Dry lubricant - Wikipedia

    en.wikipedia.org/wiki/Dry_lubricant

    Dry lubricants or solid lubricants are materials that, despite being in the solid phase, are able to reduce friction between two surfaces sliding against each other without the need for a liquid oil medium. [1] The two main dry lubricants are graphite and molybdenum disulfide. They offer lubrication at temperatures higher than liquid and oil ...