Research Article

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

Table 4

Washing rate according to the orthogonal array.

No.Initial bolt weight (g)Bolt weight before washing (g)Bolt weight before washing (g)Washing rate (%)

15228.15234.45229.971.4
25228.15235.95228.693.6
35228.15236.15228.496.3
45242.95250.85243.296.2
55228.15236.35228.792.7
65228.15237.15230.078.9
75242.95252.45243.296.8
85242.95252.65245.078.4
95228.15237.55229.881.9