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What are bolt circles and how do I create one?

by DesignSpark

This tutorial requires:

DesignSpark Mechanical V6.0

Wiktionary defines a bolt circle as a theoretical circle on which the centerpoints of bolt holes lie when the bolt holes are positioned as equally spaced in a circle.

In DSM, a bolt circle annotation can only be placed in 3D mode on holes drilled in to solids. They are meant to show the diameter & angular separation of holes rather than just circles as a 2D surface pattern. It can be an application specific annotation: bolt circle for the lugs on a car's wheel, or the bolts on a bolted joint between pipe flanges (https://en.wiktionary.org/wiki/bolt_circle)

Note: the Detail tab is available with a Creator or Engineer subscription.

Watch this for a how-to:

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