Investigating the Possibility to Reduce the Residual Stress Level in 2.5D Cutting Using Titanium Coated Carbide Ball End Mill

Table 8

TPM and response data for residual stress (cutting direction).

Level of input parameters ()	TPM response data (HV)				response data (dB)
	Level 1 ( =1)	−188.46	−280.00	−247.69	−75.38	−172.54	−171.17	−172.27	−176.15
Level 2 ( =2)	−172.31	−366.15	−59.23	−306.92	−174.88	−167.87	−176.18	−169.70
Level 3 ( =3)	−75.38	210.00	−129.23	−53.84	−176.15	−184.52	−175.11	−177.72
Difference	113.08	576.15	188.46	253.08	3.6	16.65	3.91	8.02
Rank	4	1	3	2	4	1	3	2