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Materials tab

Part mass (weight)

This value is used in calculations to determine the proportion of a particular substance entered into the materials list, and the total mass of an assembly that includes the current part.

Exclude child mass/materials

This checkbox is only displayed for items that can accept parts on the Structure tab's Markup list, as defined in the item's Part Types collection member.

When the checkbox is marked, the mass and materials reported to higher-level assemblies in roll-up reports is simply whatever is contained in this item's Part mass (weight) and Materials list. Any mass or materials contained in items on the current item's structure are ignored.

When the checkbox is cleared, the mass and materials reported to higher-level assemblies in roll-up reports is the recursive sum of items on the current item's structure, plus any residual amounts in the current item's Part mass (weight) and Materials list.

Regardless of the setting of this checkbox, the value reported to higher-level assemblies will be excluded (reported as zero) if the Exclude item from roll-up: Mass & materials checkbox on the current item's Attributes tab is marked.

Items shown on an item's Source tab have no effect on mass or materials roll-up calculations.

Materials list

You can identify the substances that are used to make the part. Each line item consists of (a) the material, (b) the quantity and its unit of measure, (c) a calculated proportion (based on the Part mass value, supplied above), and (d) an optional location of the substance within the part (for instance, connector plating).

Although any unit of measure may be used, in most industries gram is the typical measurement unit.

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