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Alibre Design

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Chapter 7 - Feature Creation5. Select the Helical Boss or the Helical Cut tool from the Part Modelingtoolbar; or from the Feature menu, select Boss > Helix or Cut > Helix. TheHelical Boss or the Helical Cut dialog box appears, and the Main tab is initiallydisplayed by default.6. In the Sketch field, select the sketch representing the helical cross-section. TheAxis field is automatically populated with the reference line corresponding with thesketch. If more than one reference line exists, you can choose which one you wishto use.7. Select the direction of the helix, Clockwise or Counter Clockwise.8. If necessary, click the Reverse check box to change the axial direction the helix iscreated in.9. From the Type pull-down menu, select the appropriate helix type:• Height and Revolution: a helix is generated by specifying the overallfeature height as well as the number of helical revolutions within thespecified height.179

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