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五金沖壓件表面質量為什么會不良?


  五金沖壓件表面質量為什么會不良?造成沖壓件產品表面質量問題的原因很多,比如卷料、板料、模具的表面質量會影響最終沖壓制件的品質,沖壓過程中的操作以及工位器具的裝夾取卸等也有可能損傷制件表面質量,因此,在整個制造過程的每個環節中都應充分考慮細節,盡量避免出現質量問題,影響最終的產品外觀。
  一、卷料常見的不良現象主要有以下方面:
  1、鋼板表面或者內部有異物混入。
  2、異物剝落,卷料呈傷疤一樣的狀態;卷料不良。
  3、卷料邊角破損。
  4、邊角(20~30mm)由于應力不均勻而發生變形或者壓皺。
  5、刮痕(輥子表面或者異物質引起)。
  6、輥子滑動引起。
  7、邊緣不規則破損。
  8、異物進入后在卷料背面壓出鼓包(異物掉下則消失)。
  9、輥子痕跡(異物附著在輥子上引起)。
  10、超出規則以外的材質不良。
  以上細節都準確的說明了五金沖壓件表面質量為什么會不良的問題。另外還有異物引起表面深度產生明顯的溝痕也是導致五金沖壓件表面質量不良的主要原因。根據實踐經驗發現,以上內容中,5、8、9項是頻率出現最多的制件不良表現或原因。
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