Study on Surface Hardness and Microstructure of Pure Copper Chip Strips Prepared by LSEM

Table 4

Factors and levels.

Parameter	Level
	1	2	3
D: chip thickness compression ratio λ	2.5	1.5	2
E: tool rake angle α (°)	15	30	20
F: uncut chip thickness t0 (mm)	0.4	0.6	0.8