mechanical tolerances

[deep70]

I would like to look into the interpretation and reading of the tolerances assigned to the annexed example, so personally.
thanks to all for any given answers and good evening.

 

[MassiVonWeizen]

apart from that you really do a beast to read the two images, I see absurd tolerances.
a +/-0.13 on a rib?
a localization tolerance of 0.508? half a tenth and indicates the microms?

I do not go any further because you understand very little about how quotas and annotations are put and at this time I do not want to burn my eyes

 

[deep70]

apart from that you really do a beast to read the two images, I see absurd tolerances.
a +/-0.13 on a rib?
a localization tolerance of 0.508? half a tenth and indicates the microms?

I do not go any further because you understand very little about how quotas and annotations are put and at this time I do not want to burn my eyes

hi massive, in fact the quality of the images is poor, I extrapolated it from a video, however also the geometric tolerances of perpendicularity and localization seem little logical, I have seen however somewhere or better in some design tolerances we say "sofistic" similar, I see if I can find something more.

 

[MassiVonWeizen]

And it couldn't be that the video was a lock? or maybe just to show the use of dimexpert (solidworks) or something similar (other cad)?

 

[deep70]

And it couldn't be that the video was a lock? or maybe just to show the use of dimexpert (solidworks) or something similar (other cad)?

you in this case could be.. no found this looking fast. . .

 

[TECNOMODEL]

This seems to me a little more sensible, although those references given on the rectangle of indication of form tolerances leave me puzzled.
What do you want to know?

 

[meccanicamg]

for form tolerances I recommend din en iso 1101 so you can see all correct uses of symbols and meanings of tolerances themselves, especially according to the new norm that not everyone knows. personally I suggest you not to make the drawings uselessly with these indications because most of the processing is done with precise machine tools per cent and the operators break the boxes unnecessarily to have to interpret symbols and references. Moreover who has to make a quote, if it sees geometric tolerances increases the cost a priori even if the values are +/- 2mm

 

[deep70]

I agree with you mechanics, regarding costs and the rest, it is only my curiosity to understand the meaning and logic and if anything way of use, even if I think it will not happen to me often.
I also found this pdf allego, the din en iso 1101 is also in Italian?
http://www.mauriziogalluzzo.it/wp-content/uploads/2011/10/lez-08_gps_tol_geometriche.pdf

 

[meccanicamg]

exists the uni version in Italian of the uni en iso din 1101 in the edition of 2013 seems to me. still exists in Italian.