Spring calculator
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Command |
Workspace: Path |
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Spring Calculator |
Architect: AEC > Machine Design Landmark: Landmark > Machine Design Spotlight: Spotlight > Machine Design |
The Spring Calculator command solves for spring rates and unit stresses based on compression spring parameters.
To calculate a spring rate:
Select the command.
The Spring Calculator dialog box opens.
Edit the compression spring parameters.
Click to show/hide the parameters.Click to show/hide the parameters.
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Parameter |
Description |
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Units |
Sets the spring dimension units to Inches, cm, or mm |
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Method |
Select the method; as data is entered, the other dimensions are automatically calculated |
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Dimensions |
The fields available depend upon the Method and the Type of Ends selected |
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Outside Diameter |
Enter the outside diameter |
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Mean Diameter |
Enter the mean diameter |
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Wire Diameter |
Enter the wire diameter |
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Solid Height |
Enter the solid height |
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No. of Active Coils |
Enter the number of active coils |
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Type of Ends |
Select Closed and Ground, Open and Ground, Closed, or Open to set the type of ends on the spring |
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Properties |
The properties of the spring can be selected from the list or manually entered |
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Material |
Select the material to be used for the spring or select <Other> to set the Modulus of Elasticity manually |
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Mod. of Elasticity |
Automatically entered based on the material selected; displayed in pounds per square inch, newtons per square centimeter, or newtons per square millimeter, depending on selected units. If <Other> is selected, enter the Modulus of Elasticity manually. |
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Spring Rate |
Automatically calculated based on the spring parameters; displays in the selected units |
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Unit Stress |
Automatically calculated based on the spring parameters; displays in the selected units |
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Place 2D spring on drawing |
Draws a 2D spring according to the above parameters; if both check boxes are selected, the 2D and 3D springs are automatically aligned in the drawing |
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Place 3D spring on drawing |
Draws a 3D spring according to the above parameters; if both check boxes are selected, the 2D and 3D springs are automatically aligned in the drawing |
Click Close to exit the calculator.