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Screw Mate

A Screw mate constrains two components to be concentric, and also adds a pitch relationship between the rotation of one component and the translation of the other. Translation of one component along the axis causes rotation of the other component according to the pitch relationship. Likewise, rotation of one component causes translation of the other component.

Similar to other mate types, screw mates do not prevent interference or collisions between components. To prevent interference, use Collision Detection or Interference Detection.

To add a screw mate:

  1. Click Mate (Assembly toolbar) or Insert, Mate.

  2. In the PropertyManager, under Mechanical Mates, click Screw .

  3. Under Mate Selections, select the rotation axes on the two components for Entities to Mate .

  4. Under Mechanical Mates:

    • Revolutions/<length_unit>. Sets the number of revolutions of one component for each length unit the other component translates. (See Units Options to set the document's unit of length.)

    • Distance/revolution. Sets the distance that one component translates for each revolution of the other component.

  • Reverse. Changes the direction of movement of the components relative to each other.

  1. Click .


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