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CAD tip CAD tip # 7025:

Question CAD 
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Q - question

How to insert the surface symbol (roughness)?

A - answer The symbol for surface roughness and machining parameters is included in the mechanical version of AutoCAD - AutoCADu Mechanical. See the AMSURFSYM command (ribbon Annotations).

To draw the surface symbol in a plain AutoCAD or AutoCAD LT you can use the dynamic block Roughness from the CAD Blocks library. It conforms to the ISO 1302 standard. Insert the block in the standard way, select the type of symbol (visibility state) and double-click the symbol to enter the requested descriptions (attributes).

Roughness symbol

100% *  CAD 
30.10.2009    29218x  
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applies to: AutoCAD · AutoCAD LT · AutoCAD Mechanical ·

See also:
Tip 10802:Simplifying 3D drawings by replacing repeating 3D solids with blocks.
Tip 10663:Automatic warning on DWG open.
Tip 10383:The shortest path between two points on a network.
Tip 9807:Automatic elevation labels.
Tip 9783:Parameters for number of pattern elements (from a given length).

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