供應2090-CPBM7DF-10AF25;
2090-CPBM7DF-10AF25。
數控加工作為一種先進的加工方法，被廣泛地用于工業、艦船工業、電子工業等高精度，復雜零件的加工生產。在數控加工中，從零件圖紙到加工出合格的零件，是一環套一環既復雜而又嚴密的過程。每個階段的某個環節出問題，都會使加工過程中斷。下面結合具體加工實例分3個階段，對數控加工過程中一些關鍵因素進行分析，以使我們能對數控 加工加深了解，對加工生產有所幫助。
1 工藝處理階段
一般所用的數控機床，大多都不具備工藝處理能力。數控加工工藝處理的目的和普通機床類似。但由于數控機床加工過程的每一細節都必須預先確定，加工自動完成。因此，與普通機床的工藝準備相比，有著其自身的特點。
1.1 對刀和換刀
普通機床加工零件時，刀具與工件的位置關系是通過量具與手輪相互配合加以確立的，如果刀具位置不正確，可由操作者隨時加以調整。而數控加工，一次裝夾，有多把刀具參與加工，為確立各個刀型等參數輸入到計算機中，計算機通過坐標變換，使每把刀具與工件建立起對應關系。對于普通加工，對 刀問題不作為重要因素考慮。對于數控加工，只要使 用程序加工，就必須對刀，否則就會發生嚴重后果。普通加工換刀往往是通過操作感覺來控制，而數控加工必須認真考慮換刀位置，以防發生碰撞。
1.2 裝夾方式的選擇
考慮到數控加工每次裝夾都必須重新對刀，這樣會大大增加輔助加工時間，影響加工效率，同時也是對數控機床功能的“浪費”。所以，在數控加工中，盡可能做到一次裝夾后，能加工出全部的待加工表面，以充分發揮數控機床的功效�，F以某零件部分加工過程予以說明。
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