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# How to use sweep to create a 3D-pipe in space ?

Genius

Hello

How to use sweep to create a 3D-pipe in space ?

- I created both start and ending tube sections then started sketching a path that goes between them...

- How to sketch that path succesfully that goes x,y,z directions in space ? I can only sketch 2D x,y. This one has 5* angle in 3rd dimension.

10 REPLIES

# Re: How to use sweep to create a 3D-pipe in space ?

Legend

Is that a welded pipe with elbows? We create components of the Elbows and Assembly constrain them with an align and distance to the Component Flanges which are fixed in position and let NX work out the rotation, we then use associative curves between the ends of the Elbows to the ends of the Flanges etc and simply Pipe (not sweep).

If they are formed / bent tubes we use Routing to create the path.

# Re: How to use sweep to create a 3D-pipe in space ?

Genius

Yes those elbow=corner-sections seems same parts.

So I create and assemble it from 4pcs regular and easy to model pipe-parts ? I first thought of making a quick 3D-model and model it all from a 1pc of pipe.
Pipe-command= Not available.

# Re: How to use sweep to create a 3D-pipe in space ?

Legend

Sorry, for Pipe command I meant Tube Command

Gears Phenom

# Re: How to use sweep to create a 3D-pipe in space ?

Phenom

Ciao,

to create 3D path use Combined Projection command.

Ciao

# Re: How to use sweep to create a 3D-pipe in space ?

Siemens Valued Contributor

You don't need a 3D sketch in your case.  The pipe is planar. Simply place the end fittings as dimensioned in 3D.  (BTW, the 5 degree angle should be a reference angle. It's overdimensioned with the 60 mm offset. Pretty sure the 60 mm offset is more important here. If the radius of the bends are given, then the pipe itself is also overdimensioned.)  Then create your sketch on the plane formed by the centerlines of the fittings.

Doug

# Re: How to use sweep to create a 3D-pipe in space ?

Genius

Any video to make a "Combined Projection" pipe ?

Phenom

Here it is.

Ciao

# Re: How to use sweep to create a 3D-pipe in space ?

Genius
Ok. Thanks. That looks easy after all.