Маркировка электродов — полная информация

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маркировка электродов

Разные модели электродов имеют разную маркировку. Она указывает их характеристики и некоторые свойства. По маркировке можно узнать практически все — начиная с завода изготовителя и заканчивая хим. составом покрытия. Если вы будете знать расшифровку маркировки электродов, вы легко сможете подобрать нужные расходники с необходимыми параметрами.

Давайте разберемся в том, как обозначаются электроды, и какая информация содержится в зашифрованном виде.

Параметры, которые можно узнать в маркировке

В тех нескольких символах, которые можно найти на упаковке с электродами, содержатся все сведения об их параметрах и назначении. Вот какие характеристики указываются в маркировке электродов:

  • тип — величина временного сопротивления (Э46, Э50, Э60 и т. д.)
  • марка — короткое название завода-изготовителя;
  • диаметр — обозначение диаметра;
  • назначение — вид работ, для которых могут использоваться электроды;
  • толщина покрытия — обозначение обмазки (бывает 4 видов);
  • индекс — параметры металла (ударная вязкость, толщина и др.);
  • покрытие — обозначение типа покрытия, нанесенного на сердечник (рутиловое, кислое, целлюлозное, основное);
  • положение — в каких положениях можно проводить сварку;
  • сварочный ток — значения тока, необходимые для работы.

Кроме всех этих параметров, в маркировке могут содержаться и другие данные. Так на упаковке можно найти отметки о том, что изделия являются хрупкими или нуждаются в повышенной защите от влаги. Эти отметки проставляются отдельно, однако на них тоже стоит обращать внимание.

Чтобы все стало ясно, давайте на примере разберем как обозначаются конкретные параметры электродов. На самом деле ничего сложного в этих обозначениях нет. Если вы постоянно сталкиваетесь с электродами, то вы очень быстро все запомните и сможете легко ориентироваться.

Пример расшифровки обозначений

В качестве образца возьмем такую маркировку:

Чтобы нам было удобнее — разделим код на цветные зоны:

  • оранжевый — это тип электрода;
  • желтым выделена марка;
  • зеленым — диаметр;
  • красным — толщина обмазки и назначение стержня;
  • черным и серым — индекс;
  • синим — покрытие;
  • розовым — положения и ток.

Если вам нужно разобрать какую-то маркировку, сразу разделяйте ее на несколько секций. Так вам будет проще сориентироваться.

Вот что указывается в этой маркировке:

  • Э46 — “Э” — электрод, “46” — прочность (кг/кв. мм.);
  • ЛЭЗМР-3С — производитель (ЛЭЗ — Лосиноостровский электродный завод) и марка “МР-3С”;
  • Ø — диаметр. Значок указан без цифры, значит параметр написан на упаковке отдельно.
  • УД — “У” — для сварки углеродистой стали, “Д” — толстое покрытие.

Толщина покрытия прописывается буквами М (тонкое), С (среднее), Д (толстое), Г (особо толстое).

  • Е43 1(3) — “Е” — начало индекса, цифры далее — обозначение параметров ГОСТ — сопротивление (430 Н/кв. мм.), удлинение (20%), минимальная температура работы (-20°С).

Буква “Е”, указанная в начале индекса также означает, что электрод плавящийся.

  • РЦ — “Р” — рутиловое покрытие, “Ц” — целлюлозное. В данном случае покрытие смешанное — рутилово-целлюлозное.

В таблице представлены обозначения других покрытий:

  • 13 — “1” — возможность сварки в разных направлениях, “3” — обозначение тока. В данном случае рекомендуется использовать напряжение в 50В.

Это таблица с обозначениями положений:

Здесь можно найти расшифровку обозначений тока:

Заключение

В маркировке сварочных электродов содержится большое количество информации. Если знать как расшифровываются буквы и цифры, можно легко понять, что за электроды лежать перед вами, какое они имеют назначение и для чего их можно использовать.

Благодаря единой классификации и общим стандартам сварочного оборудования, маркировку можно привести к общему виду. Это позволяет легко ориентироваться среди множества изделий и с большой точностью подбирать расходники для будущих работ.

На практике расшифровка маркировки электродов может редко когда пригодиться. Все основные свойства производитель указывает на упаковке, а профессионалы с большим опытом работы, знают назначение разных стержней и без лишних напоминаний. Несмотря на это знание ключей к этому «шифру» не будет лишним. Возможно когда-нибудь эти сведения вам пригодятся.

 

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