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Authoring manufacturing process plans > Creating in-process assemblies > Creating legacy in-process assemblies

Create an in-process assembly

You should create assembly trees overnight or at a time when the processes involved are not being changed. Creating an in-process assembly (IPA) can be very time-consuming, depending on the processes involved.

Note

To create IPAs, the PS_Duplicate_FindNo_Update preference must be set to true.

Procedure

  1. Select a process in the process structure. You can only select a single process at a time. The IPA is created for the root process of the structure.

  2. Choose Tools→Assembly Tree→Create/Update Assembly Tree.Teamcenter displays the Create Assembly Tree dialog box. The next steps depend on whether there are multiple products configuring the process structure.

If multiple products configure the process, select the desired configuring product and click Continue.

If only one product configures the process structure, confirm the selection and click Continue.

Teamcenter displays the Create Assembly Tree dialog box.

  1. Type a name for the in-process assembly. Teamcenter automatically adds the name of the top-level product and appends assy to the end of the IPA name. You can customize this ending in the IPA_OG_postfix preference.

  2. (Optional) Click Options to change the settings for the assembly tree generation.

  3. Click Generate. Teamcenter creates the assembly tree and places an information file as an attachment on the process for which the IPA is generated.Once generation begins, you can only stop it by stopping the server process.

Related Topics

  • Set assembly tree creation options

Source: https://docs.sw.siemens.com/en-US/doc/282219420/PL20251212545240207.mse/ipa_create · retrieved 2026-07-11