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Unigraphics Tutorial – Learn the Simplest Sweep Option of UG

written by: Suvo • edited by: Lamar Stonecypher • updated: 11/29/2009

Three different types of sweep options are available in Unigraphics. This UG tutorial will discuss the sweep along guide option, the simplest UGS sweep option.

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    Sweep option is available with all the 3D CAD packages; by using various types of sweep operation you can create some tubular kind of 3D features. Unigraphics has three types of sweep: Swept, Variational sweep, and sweep along guide. This Unigraphics tutorial will discuss only the third type.

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    How to Create Sweep Along Guide

    Say, you want to design a helical compression spring and you need to create a 3D model of the spring. You can use the UG sweep along guide option here. How?

    • First, you have to create the helical datum curve, the spine of the spring. For that, go to insert→curve→helix and the helix dialogue box will appear:

    Helix Dialogue Box 

    • Enter the design data of the spring, such as number of turns, pitch, direction of turn and radius in the respective field.
    • Next, you have to set the location of the spring, for that click the point constructor button and create a point at your desired location.
    • The spring will take the Z direction of the presently activated co-ordinate system.
    • Click the Ok button to see the generated helix curve.
    • Create the cross section datum curve of the spring at one end of the helix like below:

    UG Helix Curve 

    • Go to insert→sweep→sweep along guide to get the sweep along guide dialogue box appear to your screen:

    UG sweep along guide 

    • Click the select curve icon of the section and select the cross section circular curve.
    • Now click the select curve icon of the guide section and click the helix curve.
    • Click OK and see the helical spring on your screen.
    • Use the first offset and second offset values, incase you want to create a hollow spring instead of a solid one.
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    For creating the constant cross section curved types of Unigraphics feature you can think of using the sweep along guide option in UG. Once you understand the Unigraphics tutorial, I recommend you to create a S shaped I beam in UGS.

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    Related Readings

    Five Methods of Unigraphics Datum Points Creation:Selection of correct size steel I beam is very important for your structural design. This article will talk about selection procedure of correct size steel I beam for given load specifications.

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