IC697MDL240
沖壓毛刺
①模具間隙過大或不均勻，重新調整模具間隙。
②模具材質及熱處理不當，產生凹模倒錐或刃口不鋒利，應合理選材、模具工作部分材料用硬質合金，熱處理方式合理。
③沖壓磨損，研磨沖頭或鑲件。
④凸模進入凹模太深，調整凸模進入凹模深度。
⑤導向結構不精密或操作不當，檢修模具內導柱導套及沖床導向精度，規范沖床操作。
4.跳廢料
模具間隙較大、凸模較短、材質的影響（硬性、脆性），沖壓速度太高、沖壓油過粘或油滴太快造成的附著作用，沖壓振動產生料屑發散，真空吸附及模芯未充分消磁等均可造成廢屑帶到模面上。
①刃口的鋒利程度。刃口的圓角越大，越容易造成廢料反彈，對于材料比較薄的不銹鋼等可以采用斜刃口。
②對于比較規則的廢料，可增大廢料的復雜程度或在沖頭上加聚胺酯頂桿來防止跳廢料，在凹模刃口側增加劃痕。
③模具的間隙是否合理。不合理的模具間隙，易造成廢料反彈，對于小直徑孔間隙減少10%，直徑大于50.00毫米，間隙放大。
④增加入模深度。每個工位模具沖壓時，入模量的要求是一定的，入模量小，易造成廢料反彈。
⑤被加工材料的表面是否有油污。
⑥調整沖壓速度、沖壓油濃度。
⑦采用真空吸附。
⑧對沖頭、鑲件、材料進行退磁處理。
IC697MDL240
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IC697MDL240
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