In Siemens nx modeling, swept command use to create a body by sweeping a section along one or more guides using various options the shape along the guide.
siemens nx sweep
In Siemens nx, variational sweep command use to create a body by sweeping a cross section along a path where the shape of the section varies along the path.
In Siemens nx, tube command use to create a solid body by sweeping a circular cross section along a curve with options for outer and inner diameter. You can create piping, tubing, cabling,…with tube.