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我國鑄造模具行業主要有哪些變化?

來源:塑膠五金網發布時間:2021-03-25 18:08:06點擊率:
模具企業的生產技術水平提高,高新技術在模具的設計和制造中的應用,已成為快速制造優質模具的有力保證。CAD/CAM/CAE的應用,顯示了用信息技術帶動和提升模具工業的優越性,CAD/CAM/CAE已成為模具企業普遍應用的技術。CAD/CAM一體化技術已在鑄造模具業中廣泛使用,目前二維設計使用的軟件主要是AutoCAD,三維設計使用的軟件比較多,主要有Pro/E、UG、Cimatron等。
目前一汽鑄造模具廠的3D設計已達到95%以上,在三維設計后使用三維虛擬裝配檢測技術對裝配干涉進行檢查,保證了模具設計質量,確保了設計和工藝的合理性。三維數據經過CAM軟件編輯,NC代碼直接傳輸到數控設備上進行模具加工。數控機床的普遍應用,保證了模具零件的加工精度和質量,大大提高了模具的準確率和生產效率。CAE技術也在逐步運用到實際設計、生產中,運用CAE技術模擬金屬的充填過程、分析冷卻過程、預測成形過程中可能發生的缺陷以及產品開發前期的凝固模擬,大大優化了工藝設計,縮短了試驗時間。一汽鑄造有限公司鑄造模具廠在一些大型復雜模具,如發動機缸體、缸蓋、變速箱殼體模具的設計中已經開始應用CAE技術對流場、溫度場進行模擬分析,工藝成品率得到極大提高。
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