International Journal of Aerospace Engineering / 2019 / Article / Tab 4

Research Article

Study of Manufacturing Process of Holes in Aeroengine Heat Shield

Table 4

Analysis table of orthogonal test.

Factors
Level

Level 1 mean6550.2565.508080
Level 2 mean50.756364.258067.5
Level 3 mean68.5080.506966.2565
Level 4 mean80.50716638.552.25
Extreme difference 29.7530.254.7541.527.75

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