Influence of Control Parameters during Drilling of Aluminum Reinforced with HNT Hybrid Matrix Composites

Table 4

L₂₇ orthogonal array and results.

Input parameters					Output parameters
Sl. no	HNT %	BN %	Spindle speed (rpm)	Feed rate (mm/min)	MRR (g/min)	Surface roughness	Temperature	Cutting force
1	3	2	500	20	0.08721	0.229	41.23	109.98
2	3	2	1000	40	0.09126	0.249	54.34	219.16
3	3	2	1500	60	0.11987	0.307	63.31	290.54
4	3	3	500	40	0.10436	0.210	47.35	131.90
5	3	3	1000	60	0.11745	0.321	62.88	290.27
6	3	3	1500	20	0.11874	0.201	53.69	161.76
7	3	4	500	60	0.10098	0.304	54.87	181.85
8	3	4	1000	20	0.08634	0.168	40.17	129.76
9	3	4	1500	40	0.11975	0.263	53.77	229.17
10	5	4	500	20	0.07289	0.246	41.54	116.87
11	5	4	1000	40	0.12365	0.251	57.76	202.38
12	5	4	1500	60	0.14002	0.327	65.75	320.94
13	5	2	500	40	0.07576	0.284	54.12	201.76
14	5	2	1000	60	0.09704	0.340	75.59	290.58
15	5	2	1500	20	0.08646	0.279	57.98	239.77
16	5	3	500	60	0.08967	0.374	63.93	280.03
17	5	3	1000	20	0.07409	0.252	48.65	179.98
18	5	3	1500	40	0.10906	0.299	60.96	245.34
19	7	3	500	20	0.06956	0.301	44.62	120.98
20	7	3	1000	40	0.07006	0.337	60.67	259.89
21	7	3	1500	60	0.10702	0.412	75.90	372.18
22	7	4	500	40	0.07897	0.319	58.98	200.90
23	7	4	1000	60	0.09364	0.399	71.89	319.72
24	7	4	1500	20	0.08978	0.311	55.98	198.56
25	7	2	500	60	0.06857	0.402	74.57	288.89
26	7	2	1000	20	0.05786	0.293	63.78	190.21
27	7	2	1500	40	0.06956	0.343	72.85	289.09