Crankshaft Optimization Based on Experimental Design and Response Surface Method

Table 5

Sample points and results of the design experiment.

Run	Main journal diameter (mm)	Fillet radius of the crankpin (mm)	Crankpin diameter (mm)	Fillet radius of the main journal (mm)	Mass (kg)	Maximum equivalent stress (MPa)	Maximum deformation (μm)
1	55.00	3.44	43.78	3.97	12.04	88.29	11.07
2	56.76	3.64	49.54	3.94	12.49	73.10	9.60
3	49.72	3.50	51.07	3.74	12.04	70.30	9.96
4	55.88	3.81	48.38	3.90	12.36	75.09	9.93
5	50.60	3.28	45.70	4.22	11.81	82.95	11.03
6	59.84	3.58	45.31	4.29	12.53	83.34	10.35
7	55.44	3.67	49.92	4.26	12.42	73.36	9.70
8	59.40	3.33	48.77	4.00	12.67	75.69	9.51
9	52.80	3.70	46.08	4.16	11.99	81.62	10.76
10	51.92	3.30	52.61	4.38	12.30	68.54	9.55
11	53.68	3.22	43.39	3.65	11.91	88.88	11.21
12	51.48	3.78	47.62	4.03	11.98	76.75	10.54
13	54.56	3.75	46.46	3.84	12.15	81.46	10.45
14	57.20	3.42	51.46	3.68	12.63	69.84	9.14
15	53.24	3.84	44.93	4.32	11.97	83.09	11.06
16	58.52	3.39	50.30	3.87	12.68	72.44	9.27
17	58.08	3.36	47.23	4.35	12.48	79.34	10.00
18	56.32	3.53	51.84	3.71	12.59	69.84	9.17
19	51.04	3.19	46.85	3.78	11.89	80.69	10.61
20	50.16	3.61	52.22	3.81	12.14	69.16	9.75
21	54.12	3.56	49.15	4.19	12.26	74.27	9.93
22	58.96	3.72	44.16	3.62	12.38	86.16	10.65
23	60.28	3.47	50.69	4.06	12.86	71.98	9.10
24	52.36	3.25	44.54	4.13	11.87	85.08	11.11
25	57.64	3.16	48.00	4.10	12.48	77.82	9.79