Open Access

Table 7.

Effect of factors on S/N (Ta)a.

Symbol Factors S/N ratios (dB)
Level 1 Level 2 Level 3
X1 Power 2.452a 41.588 96.945
X2 Pressure 26.944a 51.916 62.124
X3 Frequency 53.842 43.697 43.445a
X4 Cutting speed 55.576 46.244 39.164a

Optimum level.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.