BMS SR220, Руководство по эксплуатации

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9.2.9 Ten point height for profile microscopic irregularities RzJIS
Sum of the average of the five maximum profile peak height and the average of the five maximum profile valley
depth within the sampling length.
 
 
 
5
1
5
1
5
1
5
1
i
i
i
i
Yv Yp RzJIS
9.2.10 Maximum profile height RyJIS
Same as 9.2.3 Rz.
9.2.11 Profile inclination Rsk
The ratio of the average of cubic of ordinate values Z (x) and the cubic of Rq within a sampling length.
 








lr
dx x Z
lr
Rq
Rsk
0
3
3
1 1
9.2.12 Average peak-to-valley height R3z
The average of the vertical distances between the third peak and the third valley of various sampling lengths
within the evaluation length.




n i
i
zi R z R
1
3 3
Note: five sampling lengths are recommended for evaluation.