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Bolt Hole Circle

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SolidWorks 2012 Tutorial

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Bolt Hole Circle Axis: Part 1

One way to create a bolt hole circle is to use the Circular Pattern feature. By definition, a circular pattern is used to create multiple instances of one or more features that you can space uniformly around an axis. So, say that you want to create a bolt hole circle around a hole. Start by creating your feature to pattern (the small hole that you want to copy around the larger hole). Then, pick Circular Pattern from the Features CommandManager, or pull down the “Insert” menu and pick Pattern/Mirror – Circular Pattern. SolidWorks requires that you select an axis, model edge, or an angular dimension in the graphics area to rotate the feature around the axis (to indicate the center of the BHC). The easiest way to do this is to display the temporary axis by pulling down the “View” menu and picking Temporary Axes to display. If you are Normal to the view, the temporary axes will look like blue centerpoints. In the graphics area, when you select the temporary axis to use as the Pattern Axis (center of BHC), the cursor will change, indicating that an axis is selected. You may need to zoom in to select the temporary axis.

In the Circular Pattern PropertyManager, I equally spaced 8 instances around the larger hole.

But what if you don't have a temporary axis to use? A future blog will discuss this.

Bolt Hole Circle Axis: Part 2

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