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超聲波輔助加工裝置

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超聲波輔助加工裝置

    詳細說明

    隨著現代科學技術的發展,目前市場上的消費類高端電子產品如智能手機、平板電腦、智能電視、手持式裝置及液晶顯示器(LCD)等普遍使用光學玻璃。光學玻璃以其具有的耐高溫、膨脹系數低、機械強度高、化學性能好等特點, 被廣泛應用于航空航天、信息、微電子及測繪等諸多現代高技術行業。由于光學玻璃硬度高、強度大、質地脆的特性, 使得用其傳統的切削加工方法對于刀具磨損嚴重,耐用度低,材料加工中易產生分層和崩邊破壞,加工表面的尺寸精度和表面粗糙度也極不易滿足要求,容易產生殘余應力,材料構件為復雜異型件,外形復雜,難以加工成型。且產品的加工時間長,效率低。所以用傳統加工上難以勝任制造任務, 所以對這些材料的精密和超精密加工已成為先進制造技術領域的一個重要研究方向,因此超聲加工也隨之成為了行業的研究方向。

    現階段超聲也隨之成為了玻璃加工行業的研究方面。相對于傳統加工,超聲硬脆加工可使刀具阻力降低、促進排屑率、 提高刀具強度,從而可以加工更脆更硬性的材料,并且使加工后的孔 壁及平面粗糙度大幅提高。在使用超聲輔助銑磨和普通銑磨加工質量、切削力和加工溫度的對比試驗,試驗結果表明,在不同的加工參數下超聲輔助銑磨相對普通銑磨表面粗糙度降低16%·36%,切削力降低約45%,加工溫升降低約34%。且市面上廣為應用的在于機床和超聲刀柄上對其產品時行加工工作。而對于此類的加工方式也產在著一些相應的問題:(1)現目前的刀柄的傳輸為有源和無源的傳輸,其主軸的轉速難以得到提高。(2)加工過程中超聲振動對于主軸的精度有相應的影響。(3)對于現有的機床,需要對設備進行相應的改動。其改動方面大,要求高。(4)長時間加工,由于超聲有一定的溫升性,溫度會慢慢升高,從而降低其性能。

    而我司開發的超聲波輔助加工裝置避免其現有超聲刀柄存在的這些問題。其超聲是在切削工具或工件上施加超聲振動,有效提高了加工效率、加工質量和加工精度。且不需要對機床進行任何的改動,其機床的主軸轉速也可以得到充分的使用。該裝置適用于金剛石、玻璃、陶瓷、碳化鎢、鈦合金等材料的車、銑、鉆、磨加工。與其他加工方法相比較,具有成本低、精度高、無需改動機床等優點。


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