How to Draw Spur Gears Autocad Inventor

Insert 1 gear

  1. On the ribbon, click Design tab Power Transmission panel Spur Gear .
  2. On the Spur Gears Component Generator, Design tab:
    • Enter the values for the Common section.
    • In the Gear 1 section, select Component from the list.
    • In the Gear 2 section, select No Model from the selection list.
  3. Click OK.

    Note: Curve used in a tooth shape is simplified.

On the Calculation tab, you can perform calculations and a strength check. The calculation is performed when you click Calculate.

Insert 2 gears

Using the Spur Gears Generator, it is possible to insert maximum 2 gears at the same time.

  1. On the ribbon, click Design tab Power Transmission panel Spur Gear .
  2. On the Spur Gears Component Generator, Design tab:
    • Enter the values for the Common section.
    • In the Gear 1 section, select Component from the list.
    • In the Gear 2 section, select Component from the list.
  3. Click OK.

On the Calculation tab, you can perform calculations and a strength check. The calculation is performed when you click Calculate.

Insert an internal gear

  1. On the ribbon, click Design tab Power Transmission panel Spur Gear .
  2. On the Spur Gears Component Generator, Design tab:
    • Enter the values for the Common section.
    • Check the Internal check box in the Common section.
    • In the Gear 1 section, select Component from the list.
    • Enter the number of teeth for Gear 1.
    • In the Gear 2 section, select Component from the list.
    • Enter the number for teeth of Gear 2.

    Note: By default, Gear 2 has the higher number of teeth. It is considered a "driving gear by" calculation. If you change the values and insert a higher number of teeth for Gear 1, it is considered a driving gear.

    • You do not need to select or specify any faces or planes in the ProdName assembly.
  3. Click OK.

Note: During the edit, it is not possible to change which gear is driving. You can change number of teeth, but the driving gear must remain the same.

Insert a feature

  1. On the ribbon, click Design tab Power Transmission panel Spur Gear .
  2. On the Spur Gears Component Generator, Design tab:
    • Enter the values for the Common section.
    • In the Gear 1 section, select Feature from the list. The Cylindrical Face and Start plane commands are activated.
    • In the ProdName assembly, select the cylindrical face and start plane. To insert the feature properly, it is necessary to have a user part with sufficient diameter that must be bigger than anticipated Outside Diameter.
    • In the Gear 2 area, select No Model from the list.
  3. Click OK.

Note: Any insertion combination is possible.

Calculate spur gear

Design a gear set based on known parameters

Use Spur Gears Generator to insert gear model into your assembly. Use following settings when you know all parameters and want to insert model only, not to perform any calculations or recalculate values.

You can insert one or two gears using these settings.

Calculate spur gear for given center distance

  1. On the ribbon, click Design tab Power Transmission panel Spur Gear .
  2. On the Design tab:
    • In the Common area, select Module and Number of Teeth option from the Design Guide drop-down list.
    • Enter Desired Gear Ratio and Center Distance values, or select Cylindrical face for both gears in an assembly on position where gearing is placed (Center Distance is measured from ProdName assembly). After placement selection of the gearing geometry a preview for gearing displays in the ProdName window.
    • Click Calculate. Generator designs Module and Number of Teeth.
    • In the Common area, select Number of Teeth option from the Design Guide drop-down list. Change Module to upper or lower value to decrease or increase Number of Teeth.

      To decrease or increase number of teeth for first or second gear by one to achieve greater or smaller total unit correction, select Total Unit Correction from the Design Guide drop-down list, change Number of Teeth value, and click Calculate.

  3. On the Calculation tab, enter values to perform the strength check.
  4. Click Calculate.
  5. Calculation results are displayed in the Results area. The inputs that fail the calculation are displayed in red (their value doesn't correspond with other inserted values or calculation criteria). Reports of the calculation are displayed in the Summary of Messages area which is displayed after clicking the chevron in the right lower part of the Calculation tab.
  6. Click OK.

Edit spur gear

  1. Open the ProdName assembly with the already inserted Design Accelerator spur gear.
  2. Select the spur gear, right-click to display the context menu and select the Edit Using Design Accelerator command.
  3. Edit the spur gear. You can change the number of gears, type of gear (component or feature), or recalculate values.
  4. Click OK.

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Source: https://knowledge.autodesk.com/support/inventor/learn-explore/caas/CloudHelp/cloudhelp/2022/ENU/Inventor-Help/files/GUID-60E70D2F-D362-4FCE-A8FC-F8759BA2A0AF-htm.html

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