We would like to do a sweep on a cylinder. We haven't done one in a long time. Could someone help get us pointed in the right direction
Paul
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I have a user that wants to have a variable section sweep that creates a "cup" geometry to mimic what is seen on LEDs. However in Creo I can't get the section to be perpendicular to the axis and trajectory. See below. I want a cup like what is shown in the blue lines, but all I can seem to get is interference in the corners as shown with the red lines. He can do a rotated cup, but that wont include the corners of the square in the "cup". Any ideas for us?
[cid:image001.png@01CEC441.F40EC4D0]
Andy Hermanson Engineering Design Applications
tel 605.275.1040 x51114 mobile 605.951.0168 website www.daktronics.com
Your blue lines are not normal to the trajectory, assuming that the outside edge is the trajectory. You need a sketched circle on the top face with its center on the axis as the normal trajectory. No need to tie the sketch to it, it simply drives the normal.
You will need to use a variable section sweep. And make a circular arc/circle as trajectory to sweep around. I have attached a part from Creo 2, which uses a circle and completes it in one feature. Also there is a WF4 part that does just one quarter then is mirrored twice to complete.
