Influence of Nano Boric Acid Material in Bio-Diesel Blends to Enhance the Surface Quality with Minimum Quality Lubrication

Table 8

Surface roughness (R) of dry machining operation.

Dry machining operation
Low machining operations						Medium machining operations						High machining operations
L	T (°C)	R (µm)			Avg.R (µm)	L	T (°C)	R (µm)			Avg.R (µm)	L	T (°C)	R (µm)			Avg.R (µm)
		R1	R2	R3				R1	R2	R3				R1	R2	R3
L1	38	7.12	7.64	7.83	7.53	M1	56	7.32	7.35	7.41	7.36	H1	79	6.23	6.49	6.63	6.45
L2	41	7.52	7.33	7.38	7.41	M2	59	9.76	10.3	10.54	10.2	H2	83	7	7.2	7.25	7.15
L3	45	8.65	8.97	8.18	8.6	M3	63	9.89	10.32	10.54	10.25	H3	87	4.26	4.31	4.33	4.3
L4	48	8.5	9.1	8.8	8.8	M4	69	5.78	5.63	5.54	5.65	H4	90	4.39	4.52	4.59	4.5
L5	53	7.32	7.35	7.41	7.36	M5	73	5.64	5.68	5.69	5.67	H5	94	5.1	5.23	5.27	5.2
L6	56	7.32	7.35	7.41	7.36	M6	79	6.23	6.49	6.63	6.45	H6	98	5.67	5.63	5.74	5.68