Research Article

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

Table 18

Key factors of unbalanced out-of-tolerance.

VariableThe key factor

Coaxiality of the rotation axis
Concentricity of cylindrical surface of second and third stage disc spigot
Room temperature
Cylinder coaxiality of the first and second stage disc spigot
Parallelism of the end face of the first and second stage disc spigot
Parallelism of the end face of the second and third stage disc spigot
The first and second level of the disc spigot assembly interference
Second and third-level disc spigot assembly interference
Phase I and II plate disc installation phase
Second and third stage disc installation phase
Unbalance of the first level disc
Unbalance of secondary disc
Three-level disc unbalance
Bolt tightening torque during the first and second stage disc assembly process
Bolt tightening torque during the assembly process of the second and third stage disc
The degree of runout of the cylinder of the first-stage disc relative to the rotation axis
Cylinder surface roughness of first-level disc spigot
The runout of the end face of the first-level disc spigot
Roughness of the end surface of the first-level disc
The runout degree of the cylinder of the upper spigot of the secondary disc relative to the rotation axis
Cylinder surface roughness of matching spigot on the secondary disc
The runout degree of the end face of the matching spigot on the secondary disc relative to the rotating shaft
Roughness of the upper spigot end of the secondary disc
Cylinder surface roughness of the bottom matching spigot of the secondary disc
Radial circle runout of the bottom matching stop cylinder of the secondary disc
The runout degree of the end face of the lower matching spigot of the secondary disc relative to the rotating shaft
Roughness of the bottom spigot of the secondary disc
Cylindrical runout of three-stage disc spigot
Cylindrical roughness of three-stage disc with spigot
End surface roughness of three-stage disc spigot