Disable the options by clicking the icons. Select the type of strength calculation. Topics: Autodesk Inventor 2018 buy key, autodeskautodesk product keysautodesk PaperPort Professional 11 buy online keysproduct keys. Note: Valid shaft grooves that Inventor 2018 buy key can select are grooves created by the Key Connection generator using Autodesk Inventor 11 and earlier versions. Enter the key length, if required. Select the type of groove. The Shaft Groove option is disabled by default. The inputs that fail the calculation are displayed in red their value doesn't correspond with other inserted values or calculation criteria. If you selected the Select Existing option, select the existing groove in the assembly. Enter the angle, if required. Enter the length of key. All Rights Reserved. You can change the values and units directly in the edit fields. Previous Post Next Post. Calculation results are displayed in the Results area. Note: Please ensure you are using the correct product key for the Autodesk product and version you are installing. Enter the calculation values.