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Publicēts: 01.12.1996.
Valoda: Angļu
Līmenis: Vidusskolas
Literatūras saraksts: Nav
Atsauces: Nav
  • Eseja 'All About Metal-Cutting Machines', 1.
Darba fragmentsAizvērt

There are a lot of cool metal-cutting machines, but below I will explain just five of them. They are the Drilling and Tapping machines, Abrasive Jet Cutting Machine, Drill Press, Fly Cutters, and Mill Cutters.
Drilling and tapping machines are used to drill or thread holes in a surface. Drilling and tapping machines can be from the tiny bench machine used in a jeweler's operation to the huge, heavy-duty machines that make large holes in steel forgings. In modern drilling and tapping machines, the surface to be drilled is either kept on drill press table or drill press vise. For drilling in…

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