Belt/Chain

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Use the Belt/Chain assembly feature to model systems of belts and pulleys or chains and sprockets. This feature creates:

The software calculates the length of the belt based on the positions of the pulleys. Optionally, specify the length of the belt and have the pulley positions adjust (at least one pulley must have an appropriate degree of freedom).

You can select to automatically create a new part containing the belt sketch and add the part to the assembly. In the part file, use the sketch as a sweep path to create a solid belt.

To create a belt feature:

  1. Open Assemblies\pulleys.sldasm.
  2. Click Belt/Chain (Assembly toolbar) or Insert, Assembly Feature, Belt/Chain.
  3. In the PropertyManager, under Belt Members, for Pulley components, select the outside cylindrical face of each pulley in the order shown.

    4. A preview of the belt curve appears.

  4. Click the feature handle on the last pulley.

    5. The belt flips to the other side of the pulley.

  5. Under Properties:
    1. Select Driving.
    2. Type 32 for Belt Length.
    3. Select Engage belt.
  6. Click .

    7. The top pulley moves to accommodate the specified belt length. In the FeatureManager design tree, the following appear:

    • A Belt feature.
    • A BeltMates folder (under Mates ), containing mates between adjacent pulleys.
       
      To see the belt curve when the PropertyManager is closed, select the Belt feature in the FeatureManager design tree.
  7. Drag the large pulley to rotate it.

    8. All the pulleys rotate.

     
    If you want to reposition a pulley without causing the other pulleys to rotate, edit the Belt feature and clear Engage belt.

See Belt/Chain Assembly Feature in the help.

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