Precise Hole Drilling in PMMA Using 1064 nm Diode Laser CNC Machine

Table 1

The theoretical values of the aspect and taper ratios at different powers.

Power (W)	Hole Diameter mm		Aspect Ratio 𝐴𝑟	Taper Ratio 𝑇𝑟
	Inlet	Outlet
2.45	0.700	0.300	3.571	0.428
1.82	0.650	0.200	3.846	0.308
0.96	0.500	0.200	5.0	0.400