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7.9.3.11.2.  Conical thread by lengths
7.9.3.11.2.1. Regular thread
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7.9.3.11.2.1. Regular thread

With the help of the following example you can comprehend the use of a conical thread.[100]

  1. Drag a rectangle.

    [Note] Note

    Part and thread are applied to the same sketch!

    [Important] Important

    Values used for Nominal thread diameter, Thread pitch and Variant (if available) have to exist in the Thread table under $CADENAS_DATA\datasetup\threads as well!

    For example, when selecting Thread type DIN 158, a part with nominal thread diameter 13 wouldn't be possible!

    For example, when selecting Thread type DIN 158, a part with nominal thread diameter 13 wouldn't be possible!

  2. Determine the Rotation axis.

    [Note] Note

    The buttons Cylindrical thread by length and Conical thread by lengths are only active once a Rotation axis has been determined!

  3. Click on the button Conical thread by lengths.

  4. Determine thread start, thread end and material side by clicking into the respective area.

    1. Select thread start

    2. Select thread end

    3. Select material side

    Define thread

    Define thread

    -> Once the three steps have been performed, the respective dialog box is opened.

  5. Adjust the values in the dialog box Change parameter as desired and confirm by clicking OK.

    • Outer thread: The checkbox is already activated or deactivated according to previous selection.

    • Thread type: Select the desired value in the list field.

    • Thread pitch:

      By default, the checkbox def. is set. A regular thread is created according to the set Standard.

      If you want to create a fine thread with a defined thread pitch, deactivate the checkbox and enter the variable name for the thread pitch (e.g. 'P').

      [Note] Note

      For a fine thread, in the table, the respective variable for the thread pitch must be applied!

      On this also see Section 7.9.3.11.1.1.2, “Different pitches and derived automatic calculations for e.g. Row Label and Core diameter ”.

    • Variant:

      Is used for specific threads and enables further specification. Here in this example, DIN 158 has been used. Either enter "Regel" or "Kurz".

      [Note] Note

      If the option exists in the thread table, the value has to be set.[a]

      For example, DIN 158 uses the values "Regel" and "Kurz" as variant.

      [a] If the option exists, the values should be offered in the list field. However, you can manually take the desired value from the thread table under $CADENAS_DATA\datasetup\threads and enter it manually.

    • Left-handed thread:

      If the second checkbox is activated, you can carry out the query of whether left or right thread through the table as well. In this case, enter the respective variable name into the input area.

    • Nominal diameter:

    • Thread length:

    • Run out length: When activating the checkbox, the run out length is automatically calculated, otherwise you also can specify a variable.

    Once the decisive values have been correctly set, the thread is shown in the sketch.

    You can further adjust values and immediately see the changes in the sketch.

  6. Delete the outer edge.

  7. If needed, trim the lengthened edge.

    Now the sketch is finished.

    The thread is automatically marked as a cosmetic element (blue lines).

  8. Close the sketch with .

    Result in 3D view

    Result in 3D view


[100] With installed training catalog, an example can be found under $CADENAS/Training/PARTdesigner/Threads/conical_thread.prj.

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7.9.3.11.2.  Conical thread by lengths   Home  7.9.3.12. Text