International Journal of Aerospace Engineering / 2019 / Article / Tab 2

Research Article

Study of Manufacturing Process of Holes in Aeroengine Heat Shield

Table 2

Five-factor four-level orthogonal table.

FactorsDefocusing distance (mm)
Cutting speed (mm/min)
Current (A)
Pulse width (ms)
Frequency (Hz)
Level
Name

1-1.01001900.870
2-0.751502000.975
3-0.52002101.080
4-0.252502201.185

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