How to Limit Rotation Angle in Solidworks?

You can limit the rotation angle between two components in SolidWorks by using a Limit Angle Mate. This advanced mate type allows you to define a specific range of motion, preventing components from rotating beyond the set minimum and maximum angles.

Using the Limit Angle Mate

The Limit Angle Mate is a crucial tool for accurately simulating real-world mechanisms with rotational constraints, such as hinges, doors, or levers. By specifying the allowable range, you ensure your assembly behaves as intended within its physical limitations.

Steps to Apply a Limit Angle Mate:

1. Access Mates: In your SolidWorks assembly, go to the Assembly tab and click on Mate.
2. Select Mate Type: In the Mate PropertyManager, expand Advanced Mates.
3. Choose Limit Angle: Select the Limit Angle mate type.
4. Select Entities: Choose the two planar faces, edges, or axes whose relative angle you want to control. These are often referred to as "mate references."
5. Define Angle Limits:
   • Under Parameters, you will see options for Minimum Angle and Maximum Angle.
   • Enter the desired values in the respective boxes.
   • Reference Example: According to the provided reference, you can set a Minimum Angle (e.g., 10°) and a Maximum Angle (e.g., 130°).
6. Understanding the Range: Setting the Minimum to 10° and the Maximum to 130° means the component is restricted to move only within that 120° range relative to the selected mate references.
7. Accept the Mate: Click the green checkmark (✓) to apply the Limit Angle Mate.

Once the mate is applied, you can test the movement of the components. They should now only rotate within the angular range you defined, between the minimum and maximum values.

This process is straightforward and essential for creating realistic and functional assembly models in SolidWorks.