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    不銹鋼彈簧的熱處理強化工藝技術
    文章來源:http://www.tlwpp.com/ 發布時間:2022-06-02 瀏覽次數:
    不銹鋼彈簧其實是一個普通的零件,需要依靠自己的特性才能工作。由于彈性材料制成的零件一般在外力作用下發生變形,外力消除后恢復原狀,所以通常采用彈簧鋼。彈簧類型復雜多樣,材料的選擇應根據彈簧載荷特性、應力狀態、應力大小、工作溫度、環境介質、使用壽命、導電性和磁性要求、工藝性能、材料來源、價格等因素。
    The stainless steel spring is actually an ordinary part, which needs to rely on its own characteristics to work. As the parts made of elastic materials are generally deformed under the action of external force and restored to the original state after the external force is eliminated, spring steel is usually used. Spring types are complex and diverse, and the selection of materials shall be based on spring load characteristics, stress state, stress size, operating temperature, environmental medium, service life, conductivity and magnetic requirements, process performance, material source, price and other factors.
    在確定材料的橫截面形狀和尺寸時,應優先考慮國家標準和部級標準規定的系列尺寸,盡量避免使用非標準系列材料。中小型彈簧,尤其是螺旋拉力彈簧,應優先選用加強鋼絲、鉛浴等溫拉鋼絲和油調質鋼絲,其強度和表面質量比普通調質鋼絲要好,表面質量好。疲勞性能好,加工簡單,工藝性好,質量穩定。
    When determining the cross-sectional shape and size of materials, priority shall be given to the series sizes specified in national standards and ministerial standards, and non-standard series materials shall be avoided as far as possible. For small and medium-sized springs, especially spiral tension springs, reinforced steel wire, lead bath isothermally drawn steel wire and oil quenched and tempered steel wire shall be preferred. Their strength and surface quality are better than those of ordinary quenched and tempered steel wire. Good fatigue performance, simple processing, good processability and stable quality.
    保護氣氛熱處理:現在國內對彈簧、油淬回火鋼絲、線徑小于15mm的回火鋼絲實行保護氣氛熱處理。保護氣氛熱處理可以消除表面脫碳和氧化,提高材料的表面質量。
    Protective atmosphere heat treatment: at present, the spring, oil quenched tempered steel wire and tempered steel wire with wire diameter less than 15mm are subject to protective atmosphere heat treatment in China. Protective atmosphere heat treatment can eliminate surface decarburization and oxidation, and improve the surface quality of materials.
    感應加熱或保護氣氛感應加熱熱處理:此工藝通常在螺旋彈簧成型前對線材進行。一些彈簧廠將線材熱處理與彈簧制造相結合,以降低成本。感應熱處理強化效果好,感應加熱速度快,有利于細化晶粒,減少表面脫碳,能充分發揮和提高材料的強度和韌性。
    Induction heating or protective atmosphere induction heating heat treatment: this process is usually carried out on the wire before the forming of spiral spring. Some spring factories combine wire heat treatment with spring manufacturing to reduce costs. Induction heat treatment has good strengthening effect and fast induction heating speed, which is conducive to refining grains, reducing surface decarburization, and giving full play to and improving the strength and toughness of materials.
    不銹鋼彈簧
    表面滲氮熱處理技術:近年來,高應力氣門彈簧或其他高應力離合器彈簧也采用表面滲氮技術,以達到可靠的疲勞壽命。一種更先進的技術是低溫氣體氮化。滲氮溫度一般為(450~470)℃,氣體滲氮時間為(5~20)小時。彈簧噴丸強化工藝
    Surface nitriding heat treatment technology: in recent years, high stress valve springs or other high stress clutch springs also adopt surface nitriding technology to achieve reliable fatigue life. A more advanced technology is cryogenic gas nitriding. The nitriding temperature is generally (450 ~ 470) ℃, and the gas nitriding time is (5 ~ 20) hours. Shot peening process for spring
    組合噴丸技術:組合噴丸也通常稱為多次噴丸工藝。經濟的方法是使用二次噴丸。這是通過使用不同直徑的彈丸進行噴丸來實現的。首次使用較大的顆粒來獲得殘余壓應力和表面光潔度。
    Combined shot peening technology: combined shot peening is also commonly referred to as multiple shot peening process. The economical method is to use secondary peening. This is achieved by peening with pellets of different diameters. Larger particles were used for the first time to obtain residual compressive stress and surface finish.
    應力噴丸技術:應力噴丸也是一種比較經典的噴丸工藝,只是因為難以應用于規?;a,但近年來,由于應力噴丸設備的快速發展,它在大規模生產中具有高性能。在強調汽車懸架彈簧方面取得了很大進展。尤其是應力強化噴丸與其他噴丸工藝的聯合應用,具有很好的強化效果。應力拋丸的預應力一般設定在(700~800)MPa。應力拋丸后殘余應力峰值可達(1200~1500)MPa,從而獲得更高的疲勞強度。
    Stress shot peening technology: stress shot peening is also a classic shot peening process, but it is difficult to apply to large-scale production. However, in recent years, due to the rapid development of stress shot peening equipment, it has high performance in large-scale production. Great progress has been made in emphasizing automotive suspension springs. Especially, the combined application of stress enhanced shot peening and other shot peening processes has a good strengthening effect. The prestress of stress shot blasting is generally set at (700 ~ 800) MPa. After stress shot blasting, the peak value of residual stress can reach (1200 ~ 1500) MPa, so as to obtain higher fatigue strength.
    不銹鋼彈簧熱壓工藝:主要用于要求高抗變形的螺旋彈簧,是一種防止變形的高級穩定工藝。除了顯著提高抗變形能力外,熱壓工藝還可以提高疲勞壽命。
    Hot pressing process of stainless steel spring: it is mainly used for coil springs requiring high deformation resistance. It is an advanced stable process to prevent deformation. In addition to significantly improving the deformation resistance, the hot pressing process can also improve the fatigue life.
    以上就是介紹的關于不銹鋼彈簧的熱處理強化工藝技術的內容,更多相關內容就來我們網站www.tlwpp.com進行咨詢了解吧!
    The above is the content about the heat treatment and strengthening technology of stainless steel springs. For more information, please visit our website at www.sdzbthc Www. 68mn. Com!