design of particular

[Martakynghi]

Hello I seek help in understanding my mistakes I make in drawing.
premixed the large hole is considered with a nominal diameter of 12 fine step 2 and is in blind hole instead the small holes are of nominal diameter 13 to large pitch and are passing holes. (exercise given by the professor)

 

[simone1996]

hi! In my opinion, from what I see in the drawing in assonometry, the hole you put as m12x2 is actually a diameter 22 not threaded (r11 means radius 11). if possible it always indicates the diameters and not the rays, for example not r18 but diameter 36.
the holes that you have indicated as 2xdiameter13 are represented with thread and therefore at the most can be m12 or m14... if instead they have to be holes where the screw must pass without screwing (as in 3d) then it is only a circle and is indicated diameter 12. in the view from above you have to see the change edge section. the intersection between the holes "2xdiameter 13" is correct, but only one departure is enough, the other part can put it in brackets. I would also put the angle of ribbing. I would put all the maximum bulking quotas.

 

[MassiVonWeizen]

hi! In my opinion, from what I see in the drawing in assonometry, the hole you put as m12x2 is actually a diameter 22 not threaded (r11 means radius 11). if possible it always indicates the diameters and not the rays, for example not r18 but diameter 36.
the holes you have indicated as 2xdiameter13 are represented with thread and therefore at most can be m12 or m14.. .

those made to drawing are modifications premitted in the first post. that said the m13 does not exist and does not quote with the symbol of diameter.
However the design is also wrong geometrically.

 

[Martakynghi]

those made to drawing are modifications premitted in the first post. that said the m13 does not exist and does not quote with the symbol of diameter.
However the design is also wrong geometrically.

the important thing is to say that the design is wrong geometrically? and then he explains why it is wrong geometrically

 

[Martakynghi]

hi! In my opinion, from what I see in the drawing in assonometry, the hole you put as m12x2 is actually a diameter 22 not threaded (r11 means radius 11). if possible it always indicates the diameters and not the rays, for example not r18 but diameter 36.
the holes that you have indicated as 2xdiameter13 are represented with thread and therefore at the most can be m12 or m14... if instead they have to be holes where the screw must pass without screwing (as in 3d) then it is only a circle and is indicated diameter 12. in the view from above you have to see the change edge section. the intersection between the holes "2xdiameter 13" is correct, but only one departure is enough, the other part can put it in brackets. I would also put the angle of ribbing. I would put all the maximum bulking quotas.

Thank you very much

 

[MassiVonWeizen]

I am willing to explain, but not when a user knows only to ask and then, having the solution, disappears from the discussion, as if it was due to him something. you are one of those, just see this answer https://www.cad3d.it/forum1/threads/esercizio-di-disegno-tecnico-meccanico.56681/#post-442780 as an example
in this discussion I responded to simon by correcting it and not directly to you.
change attitude, be positive and I won't have any trouble helping you

 

[Martakynghi]

I am willing to explain, but not when a user knows only to ask and then, having the solution, disappears from the discussion, as if it was due to him something. you are one of those, just see this answer https://www.cad3d.it/forum1/threads/esercizio-di-disegno-tecnico-meccanico.56681/#post-442780 as an example
in this discussion I responded to simon by correcting it and not directly to you.
change attitude, be positive and I won't have any trouble helping you

a mistake at the beginning and is now reported.

 

[MassiVonWeizen]

Now you know it's wrong. analyze it carefully and try to understand where. you also learn self-correcting

 

[meccanicamg]

European or American view and projection?
threads....all?
blind hole... wouldn't say from the assonometry.
noncongruent geometries.

 

[simone1996]

those made to drawing are modifications premitted in the first post. that said the m13 does not exist and does not quote with the symbol of diameter.
However the design is also wrong geometrically.

I ask only that the premise seemed wrong to me as the representations and the indication of quotas are confusedly indicated both written and drawing.

a marta: the hole from m13 does not exist, in the drawing in assonometry is indicated a non-threaded hole. If you want to change it in a threaded hole, choose an existing thread.
I had not looked well, but the 2d representation of your object is not correct: check the tilted part that as you can see is not leaned on the base.
the hole doesn't want to, in my opinion, make it blind unless special applications. I would also put a start to the mortar. insert a cartilage with the various important notes and look at the various thicknesses of lines, the size of the arrows, and the quota values as understandable as possible.

 

[TECNOMODEL]

Hello I seek help in understanding my mistakes I make in drawing.
premixed the large hole is considered with a nominal diameter of 12 fine step 2 and is in blind hole instead the small holes are of nominal diameter 13 to large pitch and are passing holes. (exercise given by the professor)

in addition to the things that have made you notice other members mark you that the m12 thread has a step of 1.75.
I hope that m12 end 2 didn't tell you the professor. Incidentally, that hole is ø22, being quoted r11.

you always have the problem with viewing, unless you are using American projection sbagliate sleep. continue to make this mistake in all the tables you place, clarify once and for all what kind of projection you use. If you use the European one you have to understand how it works, otherwise your designs will all be wrong.
my drawing prof for such a mistake shred the sheet (we drew to tecnigraph) and took a nice 4.

 

[Martakynghi]

in addition to the things that have made you notice other members mark you that the m12 thread has a step of 1.75.
I hope that m12 end 2 didn't tell you the professor. Incidentally, that hole is ø22, being quoted r11.

you always have the problem with viewing, unless you are using American projection sbagliate sleep. continue to make this mistake in all the tables you place, clarify once and for all what kind of projection you use. If you use the European one you have to understand how it works, otherwise your designs will all be wrong.
my drawing prof for such a mistake shred the sheet (we drew to tecnigraph) and took a nice 4.

In fact with all my will I am trying to understand the European view I am sprinkling like a lemon

 

[TECNOMODEL]

In fact with all my will I am trying to understand the European view I am sprinkling like a lemon

ask the prof?

 

[Martakynghi]

the problem are the views... for holes if they exist or do not exist to my drawing professor does not care, indeed she herself said to make suppositories of blind holes or passing to her cares that the design is done well.

 

[TECNOMODEL]

the problem are the views... for holes if they exist or do not exist to my drawing professor does not care, indeed she herself said to make suppositories of blind holes or passing to her cares that the design is done well.

this projection is right, you "rooted" the piece in the right direction.

 

[Martakynghi]

ask the prof?

Of course I went to the professor

 

[Martakynghi]

Can you tell me in this drawing if there are always the mistakes I made before?

 

[Martakynghi]

Can you tell me in this drawing if there are always the mistakes I made before?

that on pl is passing I wrong

 

[TECNOMODEL]

in the top right view:
the inclined faces are tangent to the ø, do not intersect him on his half-works.
the ø and threaded quotas I would place where you also indicate the depths of the same, you avoid having to run behind the quotas while reading the drawing.
quota 65 is unclear what is reported.
If you had to model that piece with a cad 3d you could do that?
If you can't, it means there's no quota.
this time the projections are correct.

 

[Martakynghi]

in the top right view:
the inclined faces are tangent to the ø, do not intersect him on his half-works.
the ø and threaded quotas I would place where you also indicate the depths of the same, you avoid having to run behind the quotas while reading the drawing.
quota 65 is unclear what is reported.
If you had to model that piece with a cad 3d you could do that?
If you can't, it means there's no quota.
this time the projections are correct.

Thank you so much I went to the professor and told me to pay more attention to the tangent faces.