By comparison and analysis of ejecting effects of chips with multiform during the course of chip-rejecting in the experiment of DF(Double Feeder) deep-hole machining system, this dissertation ascertains chip form with effective chip-rejecting.

• 本文通过试验对DF深孔加工系统在排屑过程中各种形态切屑排屑效果的对比分析，确定了排屑效果最佳的切屑形态。