Высокая механическая прочность и отличная стойкость к коррозионному разрушению обуславливает широкое применение заготовок из бронзы в современной промышленности. Полученные в результате обработки изделия характеризуются минимальным коэффициентом шероховатости, оптимальной твёрдостью и хорошей ковкостью.
Одним из популярных видов бронзового металлопроката является пруток, изготовленный в соответствии с ГОСТ 1628–78. В зависимости от технологии производства он бывает горячедеформированным (катаным, прессованным) и холоднодеформированным (тянутым). Чаще всего основным сырьём выступает безоловянная бронза. В зависимости от своей формы прутки бывают круглые, квадратные и шестигранные. Также они отличаются по степени точности (нормальная, повышенная) и твёрдости (мягкие, полутвёрдые и твёрдые). На последний параметр влияют физические характеристики используемого сплава (применяют такие марки, как БрОФ, БрАЖ, БрКМЦ, БрБ, БрКН).
Назначение и примеры практического использования
Специалисты считают бронзовый пруток идеальным полуфабрикатом для производства различных деталей. Дело в том, что он хорошо поддаётся механической обработке на сверлильных, фрезерных, токарных и других металлообрабатывающих станках. Полученная поверхность получается идеально гладкой и ровной, что немаловажно для изготовления некоторых компонентов.
Сфера применения бронзового прутка по промышленным отраслям:
- машино-, судо- и автомобилестроение;
- авиакосмическая и оборонная сферы;
- приборостроение;
- электротехника и пр.
На практике из бронзового прутка изготавливают:
- элементы различных механизмов, насосов, клапанов, датчиков;
- детали для ремонта морских судов;
- валы и шпиндели во всём многообразии конфигураций;
- компоненты водо- и газопроводных труб и арматуры;
- шайбы, винты, болты;
- втулки подшипников;
- фурнитуру и т. д.
Деталь, сделанная из бронзы, принимает на себя негативное воздействие сил трения, которые неизбежно возникают в функционирующих механизмах. Будучи менее твёрдой по сравнению с другими элементами, она подвергается усиленному износу, сохраняя ресурс более дорогих компонентов. В результате продлевается срок службы оборудования и техники. К примеру, бронзовая втулка подшипника, снижая расход дорогостоящего материала, существенно упрощает техническое обслуживание и ремонт этого неразъёмного узла скольжения.
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