The use of cryogenic nitrogen gas jet to reduce the temperature of cutting zone and to avoid oxidation wear of tool in high speed milling titanium alloy was presented.
为降低切削区温度、防止刀具的氧化磨损，提出在低温氮气射流条件下进行钛合金的高速铣削加工。
2
The cuttingtool material is best used hard alloy.
刀具材料最好采用硬质合金。
3
Using diamond film coated tool, the dry-cutting tests are carried out on Si-Al alloy with different Si-contained. The cutting properties are studied.