Studies on the Process Parameters of Rapid Prototyping Technique (Stereolithography) for the Betterment of Part Quality

Table 10

ratio for different levels for impact strength.

Parameters	Level	Experimental run	(J/m)
Layer thickness	1 (0.075)	1	20.8	26.36	26.56
		2	22	26.85
		3	21.1	26.48
	2 (0.1)	4	20.3	26.15	25.93
		5	17.9	25.06
		6	21.3	26.57
	3 (0.125)	7	21.4	26.61	26.68
		8	19.9	25.97
		9	23.6	27.46
Orientation	1 (0°)	1	20.8	26.36	26.37
		4	20.3	26.15
		7	21.4	26.61
	2 (45°)	2	22	26.85	25.96
		5	17.9	25.06
		8	19.9	25.97
	3 (90°)	3	21.1	26.48	26.84
		6	21.3	26.57
		9	23.6	27.46
Hatch spacing	1 (0.01)	1	20.8	26.36	26.3
		6	21.3	26.57
		8	19.9	25.97
	2 (0.015)	2	22	26.85	26.82
		4	20.3	26.15
		9	23.6	27.46
	3 (0.02)	3	21.1	26.48	26.05
		5	17.9	25.06
		7	21.4	26.61