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工件為什么要用倒角機倒圓角

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點擊次數:2649 更新時間:2021年02月24日01:02:14 打印此頁 關閉

壓鑄件上凡是壁與壁的內外表面轉向連接處應形成圓角,稱為鑄造圓角,其中精密鑄造圓角有如下作用:


1.能延長模具的壽命,鑄件上的銳角容易損壞模具,造成型芯上的棱角崩落,型腔內的夾角處發生裂紋。


2.圓角半徑不宜過大。過大的半徑會使交接處產生“熱節”等。


3.有助于壓力的傳遞和金屬液的流動,減少渦流包氣,有利于成形,同時又可使鑄件避免在銳角處產生應力集中而出現裂紋,提高精密鑄造產品自身的強度。

4.圓角處理,一般情況我公司兩種圓角倒角機可以處理,手提圓角倒角機和臺式圓角倒角機,這樣可以完成圓角倒角(圓角范圍R1 R2 R3 R4)

圓角倒角機2.jpg

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