Dimensioning to projected points

[Spurs]

I am trying to dimension a drawing to the projected intersection of two angled surfaces that have a radii between them. How do i do that?

 

[ctopher]

You can dim to the radius and change it to "max" to dim to the outside, which will give you the intersection. Unless you mean something else like more than one radius (radii is more than one).

Chris
SolidWorks/PDMWorks 08 3.1
AutoCAD 06/08
ctopher's home (updated Apr 30, 2008)

 

[Spurs]

Chris
If you have two angles coming together, the projected apex of the two angled surfaces does not equal the max value of the radius dimension as you described.

Any other thoughts?

 

[JMirisola]

ctrl select the two lines, the click on the sketch point tool. This should give you the intersection of the two lines and you'll be able to dimension to the point.

Jeff Mirisola, CSWP, Certified DriveWorks AE

http://designsmarter.typepad.com/jeffs_blog

Dell M90, Core2 Duo, 4GB RAM, Nvidia 3500M

 

[ctopher]

Oops, sorry. I was thinking of something else.
Jeff has the correct suggestion.

Chris
SolidWorks/PDMWorks 08 3.1
AutoCAD 06/08
ctopher's home (updated Apr 30, 2008)

 

[TheTick]

possibilities...

[ul][li]If radius is result of fillet feature, move your fillet below the sketch in the feature tree[/li]
[li]If surfaces are planar, create an axis at their intersection[/li]
[li]If surfaces are not planar and radius is result of fillet feature, create a 3D sketch just before fillet to copy edge/intersection of surfaces[/li]
[li]If surfaces intersect sketch plane, use Tools --> Sketch tools --> Intersection Curve to bring surface intersections into sketch. Place point at intersection of those curves[/li][/ul]

Honesty may be the best policy, but insanity is a better defense.

http://www.EsoxRepublic.com

-SolidWorks API VB programming help

 

[Spurs]

Tick
I am trying to dimension it in a 2D drawing.

In this case the 3D model has a fillet created by the fillet feature. So which method do you recomend.

The method Jeff descibes seems to work but it leavea a point on the drawing.

 

[JMirisola]

Hide the point then...

Jeff Mirisola, CSWP, Certified DriveWorks AE

http://designsmarter.typepad.com/jeffs_blog

Dell M90, Core2 Duo, 4GB RAM, Nvidia 3500M

 

[TheTick]

My methods were for part not drawing. Sorry.

In a drawing, you should have something to show what dimension is attached to, usually witness lines. There are different options for how an intersection point ("virtual sharp" in SW parlance) appears in an SW drawing. Look at the document options under "Virtual Sharps".

If you're determined to hide the point, put it on a layer and make the layer invisible.

 

[Bob45801]

Just make a sketch that puts a point at the intersection of the two lines. Then dimension to it. The point will not show up when you print it even if it isn't hidden.

Ideally you would sketch two lines showing the intersection and how the dimension is generated to that intersection, but sometimes that isn't possible. We would then add T.S.C. to the dimension, indicating To Sharp Corner.