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Weld joint marking

Last updated September 28, 2016 by Steel Extensions tekla.extensions-steel@trimble.com

Software version: 
Not version-specific
Not environment-specific

Weld joint marking


Purpose and description
System requirements
Installing Weld joint marking
Using Weld joint marking
Customizing Weld joint marking
Additional information

Purpose and description

Weld joint marking provides the possibility to number welds based on the assembly drawingdrawing that shows fabrication information for a basic or a nested assembly, including bolts and welds, and that is generally used at the workshop

Assembly drawings show how parts are located in an assembly. They contain the parts of the assembly presented in one or more views.

they belong to and create additional weld joint marks in those drawings to indicate the weld number assigned. This is useful for tracking welds when quality assurance or testing records are needed for each weld in an assembly.

System requirements

Tekla Structures version: Not version specific
Environments: All

Installing Weld joint marking

To install the extension:

  1. Download the Weld joint marking installer package from Tekla Warehouse. For more information see Downloading an application from Tekla Warehouse.
  2. Install the file package.

Using Weld joint marking

  1.  Open a Tekla model.
  2.  Click the Applications & components button  in the side pane to open the Applications & components cataloguser interface for displaying or modifying information in categorized lists

    For example, profile catalog and shape catalog are catalogs.

  3. Search for Weld joint marking and then double-click to open it.

To number weld joints:

  1. Select whether you wish to run numberingprocess of assigning position numbers to parts, cast units, assemblies, or reinforcement

    In Tekla Structures, the position numbers assigned in the numbering are shown in marks and templates, for example.

    for all or selected assembly drawings.
  2. Check the 'Renumber welds' if you wish to renumber.
  3. Click 'Number welds'.
  4. When complete, 'Numbering complete' will appear in the dialog status bar.

To create weld joint marks, once weld joint numbering has been run:

  1. Select whether you wish to mark all or selected assembly drawings.
  2. Set the site and shop weld prefix to use in the mark
  3. Click 'Create weld jont marks'.
  4. When complete, 'Numbering complete' will appear in the dialog status bar.

Note that if a drawing is open, the numbering and marking can only be performed for the open drawing, if it is an assembly drawing.

Customizing Weld joint marking

Some default settings can be changed by modifying the WeldJointMarking.exe.config file. Editing this file should be done with care and may require administrator rights to locate and edit the file. The file can be found in the Tekla Structures installation folder:
\Tekla Structures\2016\nt\bin\applications\Tekla\Model\

The weld joint marks are created using the 'standard' text object propertiesproperties associated with an object type

Usually a single object property includes a default value that the user can modify.

. To use a different text property filefile that contains properties or settings in the property pane or a dialog box

Property files are saved in the current model folder. The user can copy property files to the project or firm folders for future use.

User-defined attributes can be stored as a property file.

for the weld joint marks, replace 'standard' in the "MarkProperties" value section with the name of the property file you wish to use.

<setting name="MarkProperties" serializeAs="String">

Note that it is also possible to change the default mark prefixes which appear in the dialog by editing the configuration file.

Additional information

Numbering is performed as follows:

  • Site welds are numbered first, then shop welds.
  • Numbers start at 1 for each assembly.
  • Site welds are numbered only if they secondary part(1) part that exists in a building object and that is connected to the main part

    (1) Secondary part can be an assembly secondary part or a cast unit secondary part.

    (2) input part that the user selects after selecting the component main part when creating a component

    (2) A component can have none, one or more component secondary parts.

    of the weld is included in the assembly. This is because templates will report welds along with the secondary part, not the main part(1) part that exists in a building object and that determines the position number for the assembly or cast unit and the direction of assembly or cast unit drawings

    (1) Main part can be an assembly main part or a cast unit main part.

    (2) input part that the user selects first when creating a component

    (2) Connections and details always have a component main part.

  • The weld number, and just the weld number, is written as an integer to the UDAobject property created by the user in order to widen the range of predefined object properties

    User-defined attributes are used when the predefined object properties are not sufficient but more properties are needed. For example, comment, locked, and erection status are user-defined attributes.


It is important to note that weld numbering is performed only for the model welds of the specific assembly instance shown in the drawing. This means that if there are two or more of the same assembly in the model, only the welds of the one assembly which appears in the assembly drawing will have a weld number written to the UDA field.

Weld joint marks are created as follows:

  • Marks are created only for visible weld marks in the drawing.
  • The weld number is always shown with two digits: 01, 02, ... 09, 10, 11, ...
  • If a weld joint mark is created for a weld with no weld joint number, XX will replace the number info.
  • Weld joint marks are placed 'mirrored' horizontally to the visible weld markmark that includes a set of selected property elements related to a weld

  • Weld joint marks are just text objects, so will not update if weld joint numbers change. It is necessary to clear and re-create the weld joint marks if weld joint numbering has changed.

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