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激光熔覆的工藝介紹?以及應用情況

日期:2019-09-26 16:56 人氣:
    熔覆工藝:激光熔覆按熔覆材料的供給方式大概可分為兩大類,即預置式激光熔覆和同步式激光熔覆。
    預置式激光熔覆是將熔覆材料事先置于基材表面的熔覆部位,然后采用激光束輻照掃描熔化,熔覆材料以粉、絲、板的形式加入,其中以粉末的形式最為常用。
    同步式激光熔覆則是將熔覆材料直接送入激光束中,使供料和熔覆同時完成。熔覆材料主要也是以粉末的形式送入,有的也采用線材或板材進行同步送料。
    預置式激光熔覆的主要工藝流程為:基材熔覆表面預處理---預置熔覆材料---預熱---激光熔化---后熱處理。
    同步式激光熔覆的主要工藝流程為:基材熔覆表面預處理---送料激光熔化---后熱處理。
    按工藝流程,與激光熔覆相關的工藝主要是基材表面預處理方法、熔覆材料的供料方法、預熱和后熱處理。
    激光熔覆的應用情況,其主要應用于兩個方面:
一,對材料的表面改性,如燃汽輪機葉片,軋輥,齒輪等;
二,對產品的表面修復,如曲軸,轉子,模具等。
    歡迎廣大客戶致電咨詢,服務熱線:400-0708-056.本文由信息部高素素搜集整理
激光熔覆的工藝介紹 以及應用情況

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