Table 9 Response table for means of GRG.

From: Mechanical strength and shape accuracy optimization of polyamide FFF parts using grey relational analysis

Level

Chamber temperature (°C)

Printing temperature (°C)

Layer thickness (mm)

Print speed (mm/min)

1

0.5653

0.5430

0.6707

0.6597

2

0.5430

0.6003

0.5483

0.4697

3

0.6023

0.5673

0.4917

0.5813

Delta

0.0593

0.0377

0.2934

0.1900

Rank

3

4

2

1

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