drawing lines in profile at real pipe fitting angles

[bryanflippin417406]

how do I draw say, a 45 degree angle in profile with a scale exageration?

[cadtag]

well, that would depend on the amount of exaggeration. At a vertical exaggeration of 5, for a 45d bend, you could draw a line from a base point using "@1,5" to set the angle. For a 22.5d bend, you could double the X distance and maintain the vertical distance.

[bryanflippin417406]

well, that would depend on the amount of exaggeration. At a vertical exaggeration of 5, for a 45d bend, you could draw a line from a base point using "@1,5" to set the angle. For a 22.5d bend, you could double the X distance and maintain the vertical distance.

thank you,
I was figuring that there was a bit more elegant solution. I also need to draw 1,5,and11.25,22,5 & 45 deg deflections and bends.

[jpaulsen]

You can convert the angle in degrees to a grade(rise/run) using trigonometry. The TAN of the angle is equal to the grade.

For example, the TAN of 22.5d is 0.4142 results in a grade of 41.42%. You would draw this in AutoCAD using @100,41.42.

If your profile has a vertical exaggeration apply it to the grade. For example, if your profile is exaggerated 10 times you would use @100,414.2.

[bryanflippin417406]

thanks for the great answers....

[Anthony Rhodes]

Maybe this was not the best way to do it, but I created a block of a bend and then exaggerated the y scale by the amount the profile is exaggerated. I figured since a profile is exaggerated along the y axis then it stands to reason a bend should be exaggerated the same way.

[bryanflippin417406]

that is simular to what i ended up doing. drew a bunch of lines at the various angles all centered around the mid point. when done, looks like a see urchin. then create a block. then i can use the urchin in plan view as well, stretch the Y by scale exageration, i.e. 10 for most of our work.

[zitro360]

Great Trig Work! You can also continue formula by ending jpaulsen with the arc tangent:

You can convert the angle in degrees to a grade(rise/run) using trigonometry. The TAN of the angle is equal to the grade.

For example, the TAN of 22.5d is 0.4142 x profile vertical exaggeration 10/ft =4.142 2ND function arc tan=76.427

[zitro360]

Great Trig Work! You can also continue formula by ending jpaulsen with the arc tangent:

You can convert the angle in degrees to a grade(rise/run) using trigonometry. The TAN of the angle is equal to the grade.

For example, the TAN of 22.5d is 0.4142 x profile vertical exaggeration 10/ft =4.142 2ND function arc tan=76.427

[rkmcswain]

Or.....

Draw your geometry 1:1 at the required angles.
Then make it into a block
Insert the block at the required unequal scales.