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  2. Lapping - Wikipedia

    en.wikipedia.org/wiki/Lapping

    The small plate shown in the first picture is a hand lapping plate. That particular plate is made of cast iron. In use, a slurry of emery powder would be spread on the plate and the workpiece simply rubbed against the plate, usually in a "figure-eight" pattern. Small lapping machine. The second picture is of a commercially available lapping ...

  3. Hand scraper - Wikipedia

    en.wikipedia.org/wiki/Hand_scraper

    A hand scraper is a single-edged tool used to scrape metal or other materials from a surface. This may be required where a surface needs to be trued, corrected for fit to a mating part, retain oil (usually on a freshly ground surface), or be given a decorative finish. Surface plates were traditionally made by scraping. [1]

  4. Surface plate - Wikipedia

    en.wikipedia.org/wiki/Surface_plate

    Granite surface plate calibration should be performed routinely to maintain proper flatness and ensure measurement accuracy over time. The intervals between calibrations depends on the environment where the surface plate is located. When needed, lapping or resurfacing is provided to bring measurements within grade guidelines.

  5. Kemet International Limited - Wikipedia

    en.wikipedia.org/wiki/Kemet_International_Limited

    The result of this new venture was the introduction of a range of liquid diamond products and precision flat lapping machines developed for production lapping applications. In February 1989, Kemet International obtained ISO 9001:2008 certification [2] for the manufacture of diamond lapping and polishing products. This was extended soon ...

  6. File (tool) - Wikipedia

    en.wikipedia.org/wiki/File_(tool)

    Relatedly, lapping is also quite ancient, with wood and beach sand offering a natural pair of lap and lapping compound. The Disston authors state, "To abrade, or file, ancient man used sand, grit, coral, bone, fish skin, and gritty woods,—also stone of varying hardness in connection with sand and water."

  7. Abrasive machining - Wikipedia

    en.wikipedia.org/wiki/Abrasive_machining

    In loose abrasive processes, there is no structure connecting the grains. They may be applied without lubrication as dry powder, or they may be mixed with a lubricant to form a slurry. Since the grains can move independently, they must be forced into the workpiece with another object like a polishing cloth or a lapping plate.

  8. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag. The moment reminds his father of Patrick’s graduation from college, and he takes a picture of his son with his cell phone.

  9. Surface grinding - Wikipedia

    en.wikipedia.org/wiki/Surface_grinding

    Surface grinding is done on flat surfaces to produce a smooth finish.. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or nonmetallic substance from a workpiece, making a face of it flat or smooth.