Extended modules > Creo Elements/Direct Cabling > Manufacturing > Create a drawing from a harness assembly
  
Create a drawing from a harness assembly
You can create a drawing of your harness assembly by transferring it to the Creo Elements/Direct Annotation module.
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Only wires routed in channels and connected to terminals or connectors can be transferred to drawings. You can also transfer flat cables to drawings. Creo Elements/Direct Cabling excludes cables, manually routed and unconnected wires from transfer to 2D.
The final drawing is not a scaled drawing - it is a mixture of many scales. Therefore you must dimension the drawing with Cabling's dimensioning commands in Creo Elements/Direct Annotation, and not Annotation's dimensioning commands. See Notes on scaling.
Following are the general processes for transferring your harness from 3D to 2D:
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To create a manufacturing drawing, the sequence of steps is as follows:
1. Create a flat workplane of the cable in the harness.
2. Use Fit flatcable to drawing to adjust the flat workplane to a Sheet size.
3. Use Interface > Annotation to transfer the flat workplane content to Creo Elements/Direct Annotation.
4. Modify and dimension the drawing in Creo Elements/Direct Annotation.
Create a flat harness
To create a flat harness,
1. Click Interface and then, in the Annotation group, click the arrow next to Drawing.
2. Click Drawing harness.
3. Select the harness in the Structure Browser.
4. Click Process.
5. Click Base Edge and select an edge to position horizontally on the drawing. The thickest part of the channel with the most cabling, typically serves as the Base Edge.
6. Click to complete the operation. Creo Elements/Direct Cabling creates a workplane with object lines representing harness segments.
Now you can straighten the harness segments to make the manufacturing drawing easier to navigate.
Make freeform modifications
You can modify the length of a harness segment and its angle of inclination with respect to the Base Edge.
To modify a harness segment,
1. Click Interface and then, in the Annotation group, click Modify Drawing. The Modify dialog box opens.
2. Click Select in the Select line section and select a harness segment. The harness segment now moves freely. You can drag the end point of the harness segment to the desired location.
3. Optionally, you can click Show and Remove in the Auxiliary Lines section to view the construction line. This will help to place the segment.
4. To view the horizontal or vertical construction lines at a point, click Horizontal or Vertical in the Auxiliary Lines section and click the point in the viewport.
5. To delete the construction lines you can select one of the following from the Delete Construction Line section:
a. All: Deletes all the construction lines in the viewport.
b. Select: Deletes the selected construction lines.
6. Click to complete the operation.
Fit the workplane with flattened geometry on a sheet
You can accurately fit the flattened geometry on a sheet of the desired frame size before transferring it to Creo Elements/Direct Annotation.
To fit the workplane with flattened geometry on a sheet,
1. Click Interface and then, in the Annotation group, click Fit flatcable to drawing. The Fit to Sheet dialog box opens.
2. Click Sheet Size and select a value. The selected frame size is displayed in the viewport.
3. To fit the geometry on the selected sheet you can do one of the following:
a. Select a value in the Fit section to scale the geometry, or
b. Click 2 Points in the Shift section and click two points in the viewport to shift the geometry. The geometry will be shifted through the selected distance in the sheet.
4. Click to complete the operation.
Transfer the harness to Creo Elements/Direct Annotation
Now you can transfer your model, along with the flat view of the harness, into Creo Elements/Direct Annotation to generate a drawing.
To send your harness to Creo Elements/Direct Annotation,
1. Click Interface and then, in the Annotation group, click the arrow next to Annotation.
2. Click Flatcable drawing to Annotation. The Annotation Drawing dialog box opens.
3. Click one of the following in the Drawing section to add a drawing sheet:
a. New: To add a new drawing sheet.
b. Add Sheet: To add an existing drawing sheet.
4. Click Flat Wp and select the workplane with flattened geometry from the Creo Elements/Direct Modeling Structure Browser.
5. Click Fit to Paper and select a frame size.
6. Click to complete the operation.
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You can add additional paper sizes in the sc_customizations.lsp file located in the installation folder.
Creo Elements/Direct Cabling creates a wire list and Bill of Materials (BOM) and places them on the drawing. Now you can add dimensions to the 2D harness.
Modify and dimension the drawing in Creo Elements/Direct Annotation
After you create the drawing, you can access the Creo Elements/Direct Cabling menu in Creo Elements/Direct Annotation.
To add dimensions to a harness assembly drawing,
1. Create dimensions for the harness assembly drawing. For more information see, Create a dimension.
2. To adjust the dimensions in the drawing to their correct values, click Cabling.
3. Click Vert / Hor or Parallel in the Dimension group.
4. In the dialog box for each of these commands, you can
◦ Click All to automatically dimension all the segments in your drawing
◦ Click Select to select a segment to dimension.
5. Click to complete the operation.
Flatten a split flat cable
You can flatten a split flat cable that has many folds and bends. Later you can use the Creo Elements/Direct Modeling commands to modify or extend the flattened cable.
To flatten a split flat cable,
1. Click Interface and then, in the Annotation group, click the arrow next to Drawing.
2. Click Drawing flatcable. The Flatten flatcable dialog box opens.
3. Click Flat cable and select the split flat cable either in the viewport or in the Creo Elements/Direct Modeling Structure Browser.
4. Click to complete the operation. A workplane with 2D geometry is created.
Notes on scaling
Due to widely varying wire lengths, you may often find it preferable to modify harness segments by making freeform modifications as in step 3 above. Cabling's dimensioning tools in Creo Elements/Direct Annotation measure the true length of the cable, as it was created in Creo Elements/Direct Cabling, regardless of whether it was later stretched or shortened with the Modify command.