Тема сообщения: water break test, magnetic leech, head/tail stock, field (flux) flow fixture контр.кач. Здравствуйте в очередной раз!Перевожу стандарт по магнитопорошковому контролю и есть в нем следующие непонятности: "water break test" Water Break Test—In this test of water-based vehicles, a clean part with a surface finish the same as the parts to be examined or an actual production part is flooded with the conditioned water, and the appearance of the surface is noted after flooding is stopped. If a continuous even film forms over the entire part, sufficient wetting agent is present. If the film of suspension breaks, exposing bare surface, insufficient wetting agent is present or the part has not been cleaned adequately. "magnetic leech", "head/tail stock" Direct Magnetization—Direct magnetization is accomplished by passing current directly through the part under examination. Electrical contact is made to the part using head and tail stock, prods, clamps, magnetic leeches, or by other means. Caution shall be taken to ensure that the electrical current is not flowing while contacts are being applied or removed and that excessive heating does not occur in the contact area. "field (flux) flow fixture" Indirect Magnetization—Indirect part magnetization uses pre-formed coils, cable wraps, yokes, field (flux) flow fixtures, or a central conductor to induce a magnetic field in a part when no electrical contact is made. Заранее благодарен за помощь!
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