How to Add End Cap in Weldments in SolidWorks: Step-by-Step Guide

To add an end cap in SolidWorks weldments, first create a weldment feature with your structural members. Then use the Trim/Extend tool to trim the ends and apply End Caps by selecting the profile and choosing the desired cap type from the Weldments toolbar.

Syntax

Adding an end cap in SolidWorks weldments involves these main steps:

• Create Weldment Feature: Define your structural members using the Weldment tool.
• Trim/Extend Tool: Use this to cleanly trim or extend member ends.
• Apply End Caps: Select the member end and choose an end cap type from the Weldments toolbar.

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1. Insert > Weldments > Structural Member
2. Select profiles and create members
3. Use Weldments > Trim/Extend to clean ends
4. Select member end > Weldments > End Cap > Choose cap type

Example

This example shows how to add a square end cap to a rectangular tube weldment member:

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1. Open your part with weldment members.
2. Go to Weldments tab > Structural Member and create your frame.
3. Click Weldments > Trim/Extend to clean member ends.
4. Select the end face of the member.
5. Click Weldments > End Cap > Square.
6. The end cap will appear, closing the open end of the member.

Output

The open end of the rectangular tube is covered with a square end cap, visually closing the profile cleanly.

Common Pitfalls

• Not trimming members before applying end caps can cause overlapping geometry.
• End caps only work on open profiles; closed profiles won't show caps.
• Choosing the wrong end cap type may not fit the profile shape correctly.
• Ensure the weldment feature is active; otherwise, end cap options are disabled.

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Wrong way:
- Apply end cap without trimming members first.

Right way:
- Use Trim/Extend tool to clean ends before applying end caps.

Quick Reference

Step	Action	Description
1	Create Weldment	Use Structural Member tool to build frame.
2	Trim/Extend	Clean member ends for proper fit.
3	Select End Face	Click the open end of the member.
4	Apply End Cap	Choose cap type from Weldments toolbar.
5	Verify Fit	Ensure end cap matches profile shape.

Key Takeaways

Always trim weldment members before applying end caps to avoid overlaps.

End caps only apply to open ends of structural members in weldments.

Choose the correct end cap shape to match your profile for a clean finish.

Activate the weldment feature to access end cap tools in SolidWorks.