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An automatic system for the nondestructive quality control of seamless pipes in mass line production

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Abstract

The structural scheme of an automatic system for nondestructive testing of seamless pipes in the technological line of their production is considered. The integrated use of ultrasonic and eddycurrent inspection methods reduced the number of missed flaws and overrejected pipes to a minimum. The refined calculation of the scanning step and turn angle of roll-table wheels is presented. The minimum reliably detectable area of the discrepancy between the wall thickness of a pipe and specified tolerances is calculated. The obtained calculation formulas make it possible to optimize the scanning step and increase the efficiency of inspection by 15.0%.

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References

  1. Rinkevich, A.B., and Smorodinskii, Ya.G., Analysis of Parameters and Technical Characteristics of Contemporary General-Purpose Ultrasonic Flaw Detectors, Defektoskopiya, 2002, no. 9, pp. 3–26 [Rus. J. Nondestr. Test. (Engl. Transl.), 2002, vol. 38, no. 9, pp. 637–656].

  2. International Standard ANSI/API Spec 5DR/ISO 11961:2008: Specifications for Drill Pipes, 2008.

  3. Shcherbinskii, V.G., Samedov, Ya.Yu., and Artem’ev, S.A., Automated Devices for Testing Mill Rolls, Defektoskopiya, 2004, no. 6, pp. 3–11 [Rus. J. Nondestr. Test. (Engl. Transl.), 2004, vol. 40, no. 6, pp. 361–367].

  4. Mul’chin, V.V., Yasaev, R.A., Koz’ev, V.G., Frashutnyi, R.N., et al., RF Patent 2351925, Byull. Izobret., 2009, no. 10.

  5. Nerazrushayushchii kontrol’ (Spravochnik) (Nondestructive Testing: Handbook), Klyuev, V.V., Ed., vol. 3: Ultrazvukovoi kontrol’ (Ultrasonic Testing), Moscow: Mashinostroenie, 2004.

  6. GOST (State Standard) 17410-78: Nondestructive Testing. Metal Cylindrical Seamless Pipes. Ultrasonic Inspection Methods, 1978.

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Authors and Affiliations

  1. OAO TAGMET, ul. Zavodskaya 1, Taganrog, Rostov oblast, 347928, Russia

    V. V. Mul’chin, R. N. Farshutnyi, R. A. Yasaev, V. G. Koz’ev, O. V. Orlov & A. V. Grushko

Authors
  1. V. V. Mul’chin
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  2. R. N. Farshutnyi
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  3. R. A. Yasaev
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  4. V. G. Koz’ev
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  5. O. V. Orlov
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  6. A. V. Grushko
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Corresponding author

Correspondence to R. A. Yasaev.

Additional information

Original Russian Text © V.V. Mul’chin, R.N. Farshutnyi, R.A. Yasaev, V.G. Koz’ev, O.V. Orlov, A.V. Grushko, 2010, published in Defektoskopiya, 2010, Vol. 46, No. 11, pp. 82–88.

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Mul’chin, V.V., Farshutnyi, R.N., Yasaev, R.A. et al. An automatic system for the nondestructive quality control of seamless pipes in mass line production. Russ J Nondestruct Test 46, 854–859 (2010). https://doi.org/10.1134/S1061830910110082

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  • DOI: https://doi.org/10.1134/S1061830910110082

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