Mitutoyo SJ-301 - Evaluation According to ANSI

14 - 5 No. 99MBB091A
14. REFERENCE INFORMATION
14.1.5 Evaluation according to ANSI
Shown below are the standard cutoff length and the evaluation length for evaluation accord-
ing to ANSI.
■ Standard cutoff length and evaluation length for R-parameters from periodic profiles
mSfoegnaR
)hcni(mm
(htgnelffotuC  )c
)hcni(mm
(htgnelnoitaulavE ᐉ )n
)hcni(mm
310.0mS<  40.080.04.0
5000.0(mS<  )6100
.0)300.0()610.0(
040.0mS<  31.052.052.1
6100.0(mS<  )500.0)010.0()50.0(
31.0mS<  04.008.00.4
500.0(mS<  )610.0)30.0()61.0(
0
4.0mS<  3.15.25.21
610.0(mS<  )50.0)01.0()5.0(
3.1mS<  0.40.80.04
50.0(mS<  )61.0)3.0()6.1(
For selection of profile filter cutoff among from the table, estimate the roughness parameter Sm graphically from a
primarily profile.
■ Standard cutoff length and evaluation length for R-parameters from non-periodic profiles
aRfoegnaR
 (m  )ni
(htgnelffotuC  )c
)hcni(mm
(htgnelnoitaulavE ᐉ )n
)hcni(mm
aR  20.080.004.0
aR(  )8.0)300.0()610.0(
20.0aR<  01.052.052.1
8.0(aR<  )4)010.0()50.0(
01.0aR<  0.208.04
4(aR<  )08)30.0()61.0(
0.2aR<  015.25.21
08(aR<  )004)01.0()5.0(
0
1R<a 8 04
004(R<a ) )3.0()6.1(