Identification of Key Factors and Mining of Association Relations in Complex Product Assembly Process

Table 16

Ranking results of key influencing factors of unbalanced quantity of disc assembly process.

Serial number	Influencing factors	Sort results	Weights (%)
1	Unbalance of the first level disc	11	2.447
2	Cylindricity of first-level disc shaft	33	1.396
3	Cylinder surface roughness of primary disc shaft	34	1.396
4	The flatness of the end surface of the first-stage disc relative to the rotation axis	35	1.396
5	End surface roughness of first-level disc shaft	36	1.396
6	The degree of runout of the cylinder of the first-stage disc relative to the rotation axis	18	1.906
7	Cylinder surface roughness of first-level disc spigot	19	1.906
8	The runout of the end face of the first-level disc spigot	20	1.906
9	Roughness of the end surface of the first-level disc	21	1.906
10	The actual size of the first-level disc spigot	46	0.107
11	First and second grade bolt quality	41	0.851
12	Unbalance of secondary disc	12	2.447
13	Cylindricity of secondary disc shaft	37	1.396
14	Roughness of secondary disc shaft	38	1.396
15	The flatness of the end surface of the secondary disc relative to the rotation axis	39	1.396
16	End surface roughness of secondary disc shaft	40	1.396
17	The runout degree of the cylinder of the upper spigot of the secondary disc relative to the rotation axis	22	1.906
18	Cylinder surface roughness of matching spigot on the secondary disc	23	1.906
19	The runout degree of the end face of the matching spigot on the secondary disc relative to the rotating shaft	24	1.906
20	Roughness of the upper spigot end of the secondary disc	25	1.906
21	The actual size of the upper spigot of the secondary disc	47	0.107
22	Cylinder surface roughness of the bottom matching spigot of the secondary disc	26	1.756
23	Radial circle runout of the bottom matching stop cylinder of the secondary disc	27	1.756
24	The runout degree of the end face of the lower matching spigot of the secondary disc relative to the rotating shaft	28	1.756
25	Roughness of the bottom spigot of the secondary disc	29	1.756
26	The actual size of the bottom stop of the secondary disc	48	0.000
27	Second and third grade bolt quality	42	0.844
28	Three-level disc unbalance	13	2.447
29	Cylindrical runout of three-stage disc spigot	30	1.756
30	Cylindrical roughness of three-stage disc with spigot	31	1.756
31	Three-stage disc with end face runout degree of spigot	43	0.844
32	End surface roughness of three-stage disc spigot	32	1.756
33	Actual size of tertiary disc spigot	49	0.000
34	Bolt tightening torque during the first and second stage disc assembly process	14	2.156
35	The bolt tightening sequence during the first and second stage disc assembly process	15	2.156
36	The heating temperature of the secondary disc during the assembly process of the primary and secondary disc	44	0.454
37	Room temperature	3	4.475
38	Phase I and II plate disc installation phase	9	3.459
39	Bolt tightening torque during the assembly process of the second and third stage disc	16	2.055
40	The bolt tightening sequence in the second and third stage disc assembly process	17	2.055
41	Second and third stage disc installation phase	10	3.100
42	Coaxiality of the rotation axis	1	5.838
43	Parallelism of the end face of the first and second stage disc spigot	5	4.043
44	Cylinder coaxiality of the first and second stage disc spigot	4	4.382
45	The first and second level of the disc spigot assembly interference	7	3.951
46	Parallelism of the end face of the second and third stage disc spigot	6	4.026
47	Concentricity of cylindrical surface of second and third stage disc spigot	2	4.824
48	Second and third-level disc spigot assembly interference	8	3.775
49	The heating temperature of the third-level pan disc during the assembly process of the second and third-level pan disc	45	0.454