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of Scientific Technical Union of Mechanical Engineering "Industry 4.0"

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Author: Slivarov O.

  • STUDYING OF NIOSE, ACTING OF THE DRIVERS OF THE ROAD-BUILDING MACHINERY AND AUTOMOBILES

    • Slivarov O.
    • Staneva G.
    Machines. Technologies. Materials., Vol. 8 (2014), Issue 8, pg(s) 14-16
    • Abstract
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    Drivers of road-building machinery are subjected to noise pollution variable nature of the noise. The purpose of this study is to show the values of noise experienced by drivers of different types of road-building machinery (trucks, excavators, tractors).

  • STUDYING OF VIBRATIONS, ACTING OF THE DRIVERS OF THE ROAD-BUILDING MACHINERY AND AUTOMOBILES

    • Slivarov O.
    • Staneva G.
    Machines. Technologies. Materials., Vol. 8 (2014), Issue 7, pg(s) 36-38
    • Abstract
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    The vibrations caused by road-building machinery affect drivers equally harmful to the three axes of the coordinate system.
    Assessment of exposure to vibration hand-arm system is based on the calculation of daily exposure value for the 8-hour A (8).

  • Methodology for examination of abrasion resistance of weld coatings in abrasive medium

    • Nikolov M.
    • Stanev L.
    • Slivarov O.
    Mechanization in agriculture & Conserving of the resources, Vol. 59 (2013), Issue 5, pg(s) 24-26
    • Abstract
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    A method for testing the abrasion resistance of welded coatings in abrasive environment is developed. A major criterion of re- pair coating’s durability evaluation is determined. CT-1 stand for friction and wear resistance in abrasive free environment modeling the working conditions of the details of running gear and transmission chain wheel agricultural machinery has been designed and built up.

  • Methodology for examination of abrasion resistance of weld coatings in abrasive medium

    • Nikolov M.
    • Slivarov O.
    Mechanization in agriculture & Conserving of the resources, Vol. 59 (2013), Issue 5, pg(s) 20-23
    • Abstract
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    •  Article PDF

    The results for submerged arc overlaying coatings of parts of agricultural, transportation, construction and forest machinery are achieved. The highest wear resistance was achieved through DUR 600 solid wire electrode, FBTT flux and intermediate alloy of Lin- colnweld 860 flux. The wear of the coatings is very slightly increased for long period of time that provides conditions for long-term predic- tions about their general condition and remaining resource.

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