Official Journal of the Japan Wood Research Society
Table 2 Factors and levels of inert gas-assisted laser processing of wood
From: Research on the wood processing method of helium-assisted laser process
Factor | Process parameters | Factor level | ||
|---|---|---|---|---|
-1 | 0 | 1 | ||
\(x_{1}\) | Laser power(W) | 40 | 45 | 50 |
\(x_{2}\) | Cutting speed(mm/s) | 22 | 24 | 26 |
\(x_{3}\) | Gas pressure(MPa) | 0.10 | 0.15 | 0.20 |