Analyses the cutting property of stainless steel and titanium alloyto serve the problem of deep hole machining of difficult to cut materials.
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。
2
High temperature alloy used in the aviation industry is a kind of typical difficult-to-cut material, and its surface is easily burned under grinding.
高温合金是航空工业中常用的难加工材料，磨削加工方式下极易发生烧伤。
3
This paper sums up the cutting, heat treatment of 4. J32 low-expansion alloy applied in a space instrument, analyses the reasons why 4j32 is difficultto be cut.