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保定宏晟隆精密鑄造有限公司
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當前位置:國內不銹鋼鑄造廣泛應用于各個領域
[來源:www.voipblast.net] [作者:精密鑄造] [日期:17-03-10]
國內不銹鋼鑄造廣泛應用于閥門、泵、船用五金、汽車零件、管道零件等各個領域,機械加工用的磨具、地質鉆頭及石材鋸切工具的制造工藝水平已有很大提高。產品已形成系列化、標準化,品種規格齊全,產品質量穩定,部分產品在國際市場上具有一定的競爭力。 Domestic stainless steel casting is widely used in the valve, pump, Marine hardware, auto parts, pipe parts and other fields, mechanical processing of abrasive, geological drill bits and stone cutting tool manufacturing technology level has been greatly improved. Product seriation, standardization, has formed a variety specification is complete, the product quality is stable, the partial products have a certain competitiveness in the international market. 為滿足國內外工具市場的需要,必須加快新產品的開發,提高產品質量,增加品種,提高產量。近幾年來,閥門、泵、船用五金、汽車零件、管道零件的加工領域對金剛石工具的需求量逐年增加,目前,這些產品國內還是依賴進口,因此必須盡快開發出高質量的各種系列的工具,以替代進口。為保證其產品質量,必須加快新技術、新工藝的推廣,如真空焊接技術、電火花燒結技術、金剛石均布技術、金剛石鍍銥技術及金屬化粘結技術、激光焊接工藝等。 To meet the needs of tools at home and abroad market, must speed up the development of new products, improve product quality, increasing varieties, increase production. In recent years, valve, pump, Marine hardware, auto parts, pipe parts of diamond tools in processing demand is increasing year by year, at present, the domestic or imported products, so must be as soon as possible to develop a series of high quality tools, to replace imported. To ensure the quality of its products, it is necessary to accelerate the promotion of new technology, new technology, such as vacuum brazing technology, electric spark sintering technology, and uniform diamond, diamond plating iridium and metallic bonding technology, laser welding process, etc. 我們在使用不銹鋼鑄件時,往往會出現陽極氧化膜染色后出現白色斑點的情況。這個情況出現的原因是因為不銹鋼鑄件組織疏松、孔隙率高,含有多種金屬和非金屬雜質,所以氧化膜質量往往較難保證所以避免不銹鋼鑄件污染的方法: When we use the stainless steel castings, often can appear after anodic oxidation film dyeing white spots. This occurs because the stainless steel castings group loose, high porosity, contain a variety of metals and non-metallic impurities, so the quality of oxide film is often more difficult to guarantee so method to avoid pollution of stainless steel castings: 1、高電壓大電流密度沖擊法。即就是在不銹鋼鑄件氧化初期就采用高壓電擊,使已被氧化的部分通過電擊再連接成片2、表面打磨法。這個方法就是把打磨下來的鋁磨填充已被氧化部分留下的縫隙,使產生的縫隙連接在一起,作為橋梁的作用。 1, high voltage large current density impact method. That is at the beginning of the stainless steel castings oxidation adopts high voltage electric shock, has been part of the oxide electric shock to connect piece 2, surface grinding method. This method is to grind down the aluminum mill filling has been part of the gap left by the oxide, makes the gap junctions together, as the role of a bridge. 3、表面噴丸法。這種方法就是用圓頭錘子敲打縫隙,通過敲打使其閉合,可達到連成片的目的。 我們要根據不銹鋼鑄件被污染的程度選擇相對應的對應方法。據相關資料介紹,鑄件未清理前,凹坑中充填著熔渣物質。經巖相分析表明,在缺陷處的熔渣物質中有硅酸鐵、硅酸錳及硅酸鉻等化學物存在。電子衍射結果表明,黑色麻點是由磁鐵礦(Fe3O4)及鐵鉻尖晶石(FeO·Cr2O3)組成。光譜分析結果,在缺陷處金屬成分中硅含量增加,而含錳量極少。鑄件經過拋丸、噴砂清理后,鑄件表面會有灰黑色的麻點,麻點缺陷常出現在鑄件的局部厚斷面、拐角及內孔部位,甚至是鑄件的整個表面上。 3, surface peening method. This method is to use round head a hammer aperture, closed by knocking, can achieve the goal of the piece. We want to choose according to stainless steel casting the contaminated degree of corresponding to the corresponding method. According to relevant data, prior to cleaning of castings, filling the slag material in the pits. By petrographic analysis showed that the defect of slag material of iron, manganese and chromium silicate silicate silicate and other chemicals. Electron diffraction results show that the pitting is black by magnetite (Fe3O4) and iron chromium spinel (FeO · Cr2O3). Spectral analysis as a result, silicon content in the defect of metal component, and rarely manganese content. Castings after blasting, sand blasting, the casting surface have colored pitting, pitting defects often appear in the local thick section of casting, corner and inner hole, even over the entire surface of the casting.
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