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介绍了超声切割刀具的真空钎焊技术，主要内容包括钎焊材料、钎焊方法和钎焊工艺。刀具由高速钢刀片和钛合金刀杆组成，所用钎料为 Ａｇ－Ｃｕ共晶钎料。钎焊工艺参数为：真空度 ７． ５ × １０－３Ｐａ，钎焊温度 ８３０℃，保温时间 １０ ｍｉｎ。
The vacuum brazing technology of ultrasonic cutting tool is introduced. The main contents include brazing material, brazing method and brazing technology. Tool by the high-speed steel blades and titanium alloy Arbor, the brazing filler metal Ag-Cu eutectic solder. Brazing process parameters: degree of vacuum 7. 5 × 10-3Pa, brazing temperature 830 ℃, holding time 10 min.