
2
7.2 HEIGHT STAND....................................................................................................................................................................... 17
7.3 STANDARD PICKUP.................................................................................................................................................................. 17
7.3.1 Size ............................................................................................................................................................................ 18
7.3.2 Operating instructions............................................................................................................................................... 18
7.3.3 Calibration................................................................................................................................................................. 18
7.3.4 Precautions................................................................................................................................................................ 18
7.4 CURVE SURFACE PICKUP........................................................................................................................................................... 18
7.4.1 Size ............................................................................................................................................................................ 19
7.4.2 Operating instructions............................................................................................................................................... 19
7.4.3 Measurement ............................................................................................................................................................ 19
7.4.4 Calibration................................................................................................................................................................. 19
7.4.5 Precautions................................................................................................................................................................ 19
7.5 GROOVE BOTTOM PICKUP ........................................................................................................................................................ 20
7.5.1 Size ............................................................................................................................................................................ 20
7.5.2 Operating instructions............................................................................................................................................... 20
7.5.3 Calibration................................................................................................................................................................. 20
7.5.4 Precautions................................................................................................................................................................ 20
7.6 SMALL BORE PICKUP ............................................................................................................................................................... 20
7.6.1 Size ............................................................................................................................................................................ 21
7.6.2 Operating instructions............................................................................................................................................... 21
7.6.3 Calibration................................................................................................................................................................. 21
7.6.4 Precautions................................................................................................................................................................ 21
7.7 EXTENSION ROD..................................................................................................................................................................... 21
8KEY TECHNICAL PARAMETERS ........................................................................................................................................... 22
8.1 STANDARD CODE AND NAME..................................................................................................................................................... 22
8.2 ROUGHNESS PARAMETERS RANGE.............................................................................................................................................. 22
9REFERENCES...................................................................................................................................................................... 22
9.1 TERMS ................................................................................................................................................................................. 22
9.1.1 Terms ......................................................................................................................................................................... 23
9.1.2 Traversing length....................................................................................................................................................... 23
9.2 DEFINITION OF PARAMETERS .................................................................................................................................................... 24
9.2.1 Arithmetic Mean Deviation of Profile Ra................................................................................................................... 24
9.2.2 Root-mean-square Deviation of Profile Rq ................................................................................................................ 24
9.2.3 Maximum height of the profile Rz............................................................................................................................. 24
9.2.4 Total Peak-to-valley Height Rt ................................................................................................................................... 24
9.2.5 Maximum profile peak Rp ......................................................................................................................................... 24
9.2.6 Maximum valley depth Rv ......................................................................................................................................... 25
9.2.7 Average distance of profile single peak RS................................................................................................................ 25
9.2.8 Average width of profile unit RSm............................................................................................................................. 25
9.2.9 Ten point height for profile microscopic irregularities RzJIS ...................................................................................... 26
9.2.10 Maximum profile height RyJIS ................................................................................................................................... 26
9.2.11 Profile inclination Rsk ................................................................................................................................................ 26
9.2.12 Average peak-to-valley height R3z ............................................................................................................................ 26
9.2.13 Rmax ......................................................................................................................................................................... 27
9.2.14 Peak count Rpc .......................................................................................................................................................... 27
9.2.15 Profile support rate curve Rmr .................................................................................................................................. 27
9.2.16 Profile support length rate Rmr(c)............................................................................................................................. 27