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  3. Sm (Sheet Metal)
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SmRepair

Restores the 3D solid model of a sheet metal part by thickening one of its sides: all thickness faces become perpendicular to flange faces.

Fixes problems specific to parts with lofted bend features: merges adjacent bends and provides tangential connection with flanges.

The command is able to convert wrong bends to regular bends. If a single wrong bend, it will be repaired. If a 3D solid is selected, then all the wrong bends will be converted to regular bends.

 

Accessing the Command

command bar: smrepair
menu bar: Sheet Metal | Repair Sheet Metal
toolbar: Sheet Metal |  Repair Sheet Metal
ribbon: Sheet Metal | Heal | Repair Sheet Metal
Quad cursor menu: Sheet Metal | Repair Sheet Metal

: SmRepair

Prompts you in the command bar:

Select flange face or lofted bend face to repair or [switch on Local repairing/Scan for lost details]:

Switch on Local repairing: Select one wrong bend face, thickness faces, flange faces or side edges to repair or [switch on Global repairing]:

Scan for lost details:  Enter scan tolerance <0.01>: (Press Enter or specify tolerance value.)

A body with thickness faces perpendicular to the selected face and without adjacent lofted bends will be created.

Notice that the size and position of the opening on the selected face is preserved; the size and position of the opening in the opposite face is adjusted.

Global repair

before

after

Local repair (flange)

before (flange face selected)

 after

Local repair (wrong bend)

before (wrong bend face selected)

 after

 

Command Options

Option

Description

Scan for lost details

Searches and retains as separated bodies model parts which remained after repairing.

Prompts you:

Enter scan tolerance <0.01>: - (Type a value or press enter to accept the default value.)

Scan tolerance: The fraction of the initial model volume, which will be ignored, only larger bodies will be retained. E.g. if the scan tolerance = 0.25, only parts with a volume that is larger than 25% of the initial body will be retained.

From left to right:

  • Initial model with unrecognized form feature
  • Model after SmRepair without scanning for lost details: the circular feature is removed.
  • Model after SmRepair with scanning. Two bodies are created: a horizontal flange with a hole and a separate body (highlighted in green color). Bodies can be unified using the Union command if required.

Settings

Merge lofted bends:

If turned on, adjacent lofted bends with tangencial connection will be merged to single lofted bend.

From left to right:

  • Initial model with two lofted bend features
  • Model after SmRepair without lofted bend repair: the hole became perpendicular to the features faces.
  • Model after SmRepair with lofted bend repair: two lofted bend features are united to a single one.

 

Procedures

To repair a sheet metal body

 

Related Commands

SmConvert - automatically recognizes flanges, bends and lofted bends in a 3D solid.

SmDelete - removes a bend or a junction by restoring a hard edge between two flanges; removes a flange with all the bends adjacent to it. The adjacent flanges are extended up to a junction configuration with the flange being deleted. Removes miter by restoring geometry being cut by the feature.

SmDissolve - removes sheet metal data from the selected faces or entities.

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