RU2014102873A - METHOD OF ELECTRIC SPARK APPLICATION OF THICK-LAYER COATINGS OF THE ENHANCED COMPLEXITY - Google Patents
METHOD OF ELECTRIC SPARK APPLICATION OF THICK-LAYER COATINGS OF THE ENHANCED COMPLEXITY Download PDFInfo
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- RU2014102873A RU2014102873A RU2014102873/02A RU2014102873A RU2014102873A RU 2014102873 A RU2014102873 A RU 2014102873A RU 2014102873/02 A RU2014102873/02 A RU 2014102873/02A RU 2014102873 A RU2014102873 A RU 2014102873A RU 2014102873 A RU2014102873 A RU 2014102873A
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Abstract
1. Способ электроискрового нанесения толстослойных покрытий повышенной сплошности с использованием электродных материалов, создающих с материалом основы неограниченные твердые растворы и обладающих пониженной склонностью к окислообразованию, при котором чередуют циклы нанесения электроискровым способом импульсами технологического тока большой мощности с периодическим контактом электрода и поверхности детали грубых покрытий с высокой неровностью профиля поверхности и уменьшения высоты этих неровностей до выравнивания профиля поверхности покрытия, отличающийся тем, что на цикле уменьшения высоты неровностей профиля нанесенного грубого покрытия по окончании импульса технологического тока подают импульс тока обратной полярности с меньшей энергией, чем энергия импульса технологического тока.2. Способ по п.1, отличающийся тем, что импульс тока обратной полярности формируют с энергией, равной 0,1-0,8 энергии импульса технологического тока.3. Способ по п.1, отличающийся тем, что при обработке первичного грубого покрытия по окончании импульса тока обратной полярности продолжают поддерживать разряд между обрабатываемой поверхностью и электродом путем подачи постоянного тока обратной полярности.4. Способ по п.3, отличающийся тем, что поддержание разряда осуществляют при силе тока 1,0-10 А.1. The method of electrospark deposition of thick-layer coatings of increased continuity using electrode materials that create unlimited solid solutions with the base material and have a reduced tendency to oxidation, in which alternating cycles of applying electrospark pulses of high-power technological current with periodic contact of the electrode and the surface of the part of coarse coatings with high roughness of the surface profile and reducing the height of these irregularities until the profile surface coating, characterized in that in the cycle of reducing the height roughness rough coating deposited at the end of the process of the current pulse supplied current pulse of reverse polarity with smaller energy than the energy pulse toka.2 process. The method according to claim 1, characterized in that the reverse polarity current pulse is formed with an energy equal to 0.1-0.8 pulse energy of the technological current. The method according to claim 1, characterized in that when processing the primary coarse coating at the end of the reverse current pulse, the discharge continues to maintain a discharge between the surface to be treated and the electrode by applying a direct current of reverse polarity. The method according to claim 3, characterized in that the discharge is maintained at a current strength of 1.0-10 A.
Claims (4)
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RU2014102873/02A RU2567415C2 (en) | 2014-01-29 | 2014-01-29 | Spark application of deep solid coatings |
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RU2014102873/02A RU2567415C2 (en) | 2014-01-29 | 2014-01-29 | Spark application of deep solid coatings |
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RU2014102873A true RU2014102873A (en) | 2015-08-10 |
RU2567415C2 RU2567415C2 (en) | 2015-11-10 |
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RU2014102873/02A RU2567415C2 (en) | 2014-01-29 | 2014-01-29 | Spark application of deep solid coatings |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EA038970B1 (en) * | 2018-12-28 | 2021-11-16 | Белорусский Национальный Технический Университет | Method and device to intensify a process of spark deposition of thick-layer heavy coatings |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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SU633703A1 (en) * | 1977-02-23 | 1978-11-25 | Опытный Завод Института Прикладной Физики Ан Молдавской Сср | Electric spark alloying method |
JP2547886B2 (en) * | 1990-05-09 | 1996-10-23 | 隆久 増沢 | Electrochemical machining method by pulse current and its equipment |
JP2001138141A (en) * | 1999-11-19 | 2001-05-22 | Kazuo Sawaguchi | Method for surface coating treatment using submerged discharge and consumable electrode used therefor |
RU2279337C2 (en) * | 2004-06-25 | 2006-07-10 | Государственное образовательное учреждение высшего профессионального образования "Хабаровский государственный технический университет" | Steel part surfaces electric spark strengthening method |
EA017066B1 (en) * | 2010-11-08 | 2012-09-28 | Валерий Игоревич Иванов | Method of electro-spark deposition of thick coatings of increased continuity |
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Effective date: 20170130 |