Research Article

Development of Automatic Equipment for Washing and Nondestructive Inspection of Stud Bolt

Table 3

Orthogonal array ().

No.Control factor
Washing liquid injection pressure (bar)Air injection pressure (bar)Rotational speed of brush shaft (rpm)Washing time (s)

123905
22518015
32736030
43318030
5353605
6379015
75336015
8559030
9571805