Machining Parameters and Toolpath Productivity Optimization Using a Factorial Design and Fit Regression Model in Face Milling and Drilling Operations
Table 1
Details of the experiment.
Workpiece dimensions
180 mm × 150 mm, depth 30 mm, AISI 1045 medium carbon steel, hardness, Brinell 163
Workpiece material
Carbon 0.43–0.5% max, manganese 0.6–0.9% max, silicon 0.05% max, phosphorus 0.04% max, and sulphur 0.050% max
Chemical composition
ISO code IP240-1200-XA 1630 a solid carbide square end mill with effective cutting edge: 4, cutting diameter: 12 mm, flute helix angle: 35 deg, corner chamfer width: 0.2 mm
Tool material
ISO code 860.1-1400-040A1-PM 4234 a solid carbide drill with cutting diameter: 14 mm, hole tolerance: H8, point angle: 147°, chip flute length: 60 mm