Table 3 Range of input factors and their units.

From: Investigation on micro drilling of low carbon NiTi alloy using tungsten carbide micro drill tool

Input Factors

Range

Unit

Tool Rotational speed

1500, 2000 and 2500

RPM

Feedrate

0.2, 0.4 and 0.6

mm/min

Length of cut

500

µm

Drill tool diameter

495

µm