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Drawings · Lesson 4: Assembly drawings and BOMs

Assembly views, BOM, balloons, custom properties and equations in the BOM.

Lesson goal

Produce a complete assembly drawing: views suited to assemblies, a BOM fed by properties and linked balloons.

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5 videos

✎

1 exercise

Intermediate

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Prerequisite: Lessons 1 to 3

1. Watch the videos

Dassault Systèmes videos hosted on MySolidWorks: they open in a new tab and a free account is enough. Watch them in order.

Assembly Drawing ViewsVideo 1▶Assembly Drawing ViewsBroken-out sections, alternate position views and exploded views specific to assemblies.↗ Bill of MaterialsVideo 2▶Bill of MaterialsInsert and edit a BOM, and create your own table templates.In French↗ Balloons in a DrawingVideo 3▶Balloons in a DrawingSingle, automatic and stacked balloons linked to the BOM.↗ Custom Properties in BOM TablesVideo 4▶Custom Properties in BOM TablesFill BOM columns with part properties (supplier, material, part number).↗ Equations in a Bill of Materials TableVideo 5▶Equations in a Bill of Materials TableCalculate totals or conditions in the BOM (IF, SUM, COUNT…).↗

2. Key takeaways

1

The assembly exploded view is reused as is on the drawing, with its explode lines.

2

The BOM is filled from the custom properties of the parts: enter them once in the templates.

3

Auto Balloons use the BOM item numbers and stay synchronized.

4

A saved BOM template keeps your columns and formatting for all drawings.

Tip

If your BOM columns stay empty, it is almost always a misnamed property in the part: the name must be identical, accents included.

3. Do the exercise

From a small assembly:

  • create a drawing with an exploded view
  • insert a BOM with the columns Part Number, Description, Material, Quantity
  • add Auto Balloons
✓To check: Add a part to the assembly: it must appear in the BOM and get its balloon.

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