针对不锈钢、钛合金材料的深孔加工问题，分析了难加工材料的切削特性。
Analyses the cutting property of stainless steel and titanium alloy to serve the problem of deep hole machining of difficult to cut materials.
由于一些难加工材料如钛合金、不锈钢在制造管类零件的领域中得到广泛应用，但其切削加工性较差，与其日益广泛应用所产生的矛盾越来越突出。
With the wide usage of some difficult processing materials in industry, such as Titanium, stainless steel, it is contradictory between the poor cutting quality and wide use.
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