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機械制造工藝基礎

信息編號:63940136 發布時間:2025/8/15 17:46:54
機械制造工藝基礎:車、銑、鉗、焊、鑄、鍛?
機械制造工藝是工業生產的基石,車、銑、鉗、焊、鑄、鍛六種基礎工藝,如同制造領域的 “六大神器”,共同構建起從原材料到成品的轉化橋梁。?
車床是 “金屬裁縫”,通過工件旋轉與刀具直線運動的配合,將棒料加工成軸類、盤類零件。比如汽車傳動軸的外圓、螺紋,都需車床精準切削,精度可達 0.01 毫米。銑床則像 “立體雕刻機”,刀具旋轉而工件移動,能加工平面、凹槽甚至復雜曲面,發動機缸體的油道槽就依賴銑床成型。?
鉗工是 “精細工匠” 的代表,依靠虎鉗、銼刀等工具進行手工操作,適合裝配、劃線和精密修整。模具裝配中,鉗工通過刮研讓上下模貼合度達 90% 以上,確保產品成型精度。焊接則是 “金屬粘合劑”,利用電弧或火焰將金屬熔化后連接,橋梁鋼構、壓力容器的拼接都離不開它,焊條電弧焊和氬弧焊是常用的方式。?
鑄造是 “液態成型魔術師”,將 molten 金屬倒入模具,冷卻后獲得復雜形狀毛坯,如機床床身、發動機缸體。鍛造則通過外力擠壓金屬毛坯,讓其在高溫下 “流動” 成型,能提升材料強度 —— 汽車曲軸經鍛造后,抗疲勞性能比鑄造件提高 30% 以上。?
這六種工藝各有側重:車銑負責精密加工,鉗焊側重裝配連接,鑄鍛則為零件提供初始形態。它們相互配合,從毛坯到成品,完成機械零件的全生命周期制造,是現代工業不可或缺的技術支撐。?
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