7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

1/24

RZXI@BJ XFZNLGJRR

0

_r`dgdgn Hy

Kdslfr Hl`td`

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

2/24

Ruri`bj tjxturj fg or`wdgn

8

Ryehfcs ifr suri`bj tjxturj

_lj h`sdb syehfc bfgsdsts fi twf cjnsfi ugjqu`c cjgntl dgbcdgjo `t`pprfxde`tjcy 9=f tf tlj cdgjrjprjsjgtdgn tlj bfgsdojrjo suri`bj'

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

3/24

2

Ryehfcs ifr suri`bj tjxturj

Di tlj rjefv`c fi e`tjrd`c hye`bldgdgn ds rjqudrjo# h`r ds `oojo tftlj h`sdb syehfc'

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

4/24

?

Di tlj rjefv`c fi e`tjrd`c ds gftpjredttjo# ` bdrbcj ds `oojo tf tljh`sdb syehfc'

Ryehfcs ifr suri`bj tjxturj

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

5/24

:

^ljg ` spjbd`c bl`rjbtjrdstdbs l`vjtf hj dgodb`tjo ` cdgj ds `oojo tf tlj

cfgnjr `re fi tlj syehfc'

Ryehfcs ifr suri`bj tjxturj

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

6/24

RZXI@BJ XFZNLGJRR

9

_lj v`cuj fi tlj e`bldgdgn `ccfw`gbj sl`cc hjdgodb`tjo fg tlj cjit fi tlj syehfc'

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

7/24

RZXI@BJ XFZNLGJRR'bfgto'

>

Ruri`bj tjxturj sl`cc hj pc`bjo rjc`tdvj tf tlj

syehfc'

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

8/24

cfn X`

Xz 5 [,X0 + X2 + X: + X> + X4$ , X8 + X? + X9 + X< + X0=$U & :

@g jepdrdb`c rjc`tdfg ds Xz 5 K' X`^ljrj K ds ` bfgst`gt v`rydgn irfe 2'4 ifr rfunl suri`bj tf : ifr

idgj suri`bjs' Dg pr`btdbj Xz & X` 5 ?# b`g hj `ofptjo'

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

13/24

02

Bjgtrj cdgj `vjr`nj v`cuj ,B'C'@' v`cuj$ X`

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

14/24

0?

_lds systje ej`surjs tlj `vjr`nj fi : tf 0= v`cujs tf `ssjss

tlj rfunlgjss v`cuj'_lj rjijrjgbj cdgj ifr ej`surjejgt ds tlj ej`g cdgj fi tljprfidcj# wldbl odvdojs tlj `btu`c prfidcj fi tlj suri`bj dg subl` w`y tl`t tlj tft`c fi tlj `rj`s `hfvj tlj cdgj `go tljprfidcj ds jqu`c tf tlj tft`c fi tlj `rj` hjcfw tlj cdgj `go tlj

prfidcj'_lj B'C'@' v`cuj ojgftjo hy tlj syehfc X`Dt ds jxprjssjo dg edbrfgs 5 0= 9 fi ` ejtrj'

X` 5 ,T0+ T8 + T2+ '' + Tg$ & g 5 Tg & gT0# T8# T2# 'Tg `rj `oojo drrjspjbtdvj fi tljdrsdng

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

15/24

0:

e

Xfft ej`g squ`rj v`cuj ,Xres$

_lj v`cuj fi rfunlgjss ds fht`dgjo irfe tlj prfidcj rjbfrofi tlj suri`bj `go ds ojidgjo `s tlj `vjr`nj rfft ej`gsqu`rj ojvd`tdfg ,T$ fi tlj prfidcj irfe dts ej`g cdgj dg `ojidgdtj s`epcdgn cjgntl ,C$

X` `go Xres `rj rfunlcy prfpfrtdfg`c'

Xres v`cuj `hfut 0=* nrj`tjr tl`g X`'

Xres 5 [,T8

g $ & gU

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

16/24

09

,::>8&02$ x ,0&0=$ 5 8'=> e

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

17/24

Pu`cdty fi sbr`pjo suri`bjs

0>

Ojtjredgjo hy tlj guehjr fi bfgt`btsuri`bjs hjtwjjg tlj sbr`pjo suri`bj `go

dgspjbtdfg suri`bj dg `g `rj` fi 8: ee x

8:ee squ`rj'

Rbr`pjo suri`bjs `rj odvdojo dgtf : bc`ssjs1

Irfe efst prjbdsj tf efst bf`rsj'

_lj sdzj fi tlj suri`bj pc`tj usjo ifr tlj

ej`surjejgt eust hj prfpfrtdfg`c tf tlj

sdzj fi tlj sbr`pjo suri`bjs'

Ruri`bj rfunlgjss fi tlj e`bldgjo

suri`bj hjifrj sbr`ppdgn eust gft hj

bf`rsjr

tl`g X 5 2'8 e'

h c i l o i c

7/23/2019 Surface Roughness- Geometrical Dimensioning & Tolerancing (GD&T)

18/24

Ryehfcs ifr tlj odrjbtdfg fi c`y

0