Manufacturing Attributes: Customized Hole Tolerance: Options and Results

Access the Preferences Editor by selecting the Preferences button from the Quick Access Toolbar or by selecting Tools > Main Tools > Preferences from the menu bar.

PickPick(left mouse button) the General preferences item and scroll down to select Manufacturing Attributes.

PickPick(left mouse button) Create (Part Environments) and Reload System Definitions . . . options as required. See Manufacturing Attributes preferences for more information.)

Note: The Manufacturing Attributes preferences should be set prior to opening a part or assembly file.

Adding a New Symbol to the Marking.elt file

Open the Marking.elt file. The following marking images are displayed:

For this exercise, create a new symbol for "Special Bore" by navigating to the Sketcher toolbar and selecting a circle. Draw the circle with a diameter of 20 mm.

Change the circle's color to RED by pickingpicking (left mouse button) the circle and selecting the RED color from the Color Picker.

Next, change the circle's line width to 6 pxl by pickingpicking (left mouse button) the circle and selecting the 6 px width value.

Navigate to Groups in the menu bar and select Create Groups.

PickPick(left mouse button) the red circle and exitexit(middle mouse button).

PickPick(left mouse button) the center point of the circle (this must be center point).

Change the group name by pickingpicking(left mouse button) it and typing SP_BORE .

Save and Close the Marking.elt file.

Open the HoleMarking.xml file with a text editing software (Notepad, Notepad++, or WordPad is recommended). 

The file's structure is outlined below (as it applies to this exercise).

1 The Bearing batch. 2 Indicates the name that will be shown in the Customized Hole Tolerance attributes in the Manufacturing Attributes. 3 Specifies the name that will be shown as a tooltip. 4 Specifies the name of the symbol group in the Marking.elt file. 5 Sets how the attribute image is displayed on the circle curve. The options are: No - The attributes symbol will be placed on the circle curve. Yes - The attributes symbol will replace the circle curve.

Copy the Bore batch and paste it after the original Bore batch (before </Marking_Attributes>).

Edit the following values in the newly pasted batch:

- Change the Marking Name from BORE to SPECIAL BORE.

- Change the Description Value from Boring tool to SPECIAL BORE Attributes.

- Change the Drafting_Group_Name Value from BORE to SP_BORE.

Note: The Drafting_Group_Name Value must be the same as the name you designated in Step 2, item 8.

- Keep No as the Delete_Original_Circle_In_View Value.

Save and close the HoleMarking.xml file.

Note: You can add multiple attributes to the HoleMarking.xml file. In addition, it is very important that the XML structure not be altered to ensure the data is visible in the Manufacturing Attributes table.

As outlined in Step 1, navigate to the Manufacturing Attributes preferences and set the following options:

 - Create (Part Environments) option is checked (enabled).

 - Reload Systems Definitions . . . option is unchecked (disabled).

Open a part file.

Navigate to the menu bar and pickpick(left mouse button) Tools > Main Tools > Manufacturing Attributes.

From the Manufacturing Attributes dialog, scroll down to DRILL and clickclick(right mouse button) the Coded attribute type. 

PickPick(left mouse button) Add Attribute.

The Coded attribute type dialog appears. Using the Basic Deviation pulldown menu, pickpick(left mouse button) H. Then pick 8 from the Tolerance Grade pulldown menu. Pick OK to accept the values.

Next, clickclick (right mouse button) the Bi attribute type under Drill and select Add Attribute. Navigate to Upper Deviation and change the value to 0.25. Pick OK to accept the change.

ClickClick (right mouse button) the Digits of Precision attribute type under Drill and pickpick(left mouse button) Add Attribute. Navigate to the Select pulldown menu and pick Dim.###. Pick OK to accept the change.

Repeat the same process for each of the Customized Hole Tolerance attributes. Note that for some attributes you may need to add two different values. For example:

SPECIAL BORE

Coded: H7; H8

Uni: -0.1, 0.125

Digits of Precision: Dim.##, Dim.###

PickPick(left mouse button) the inner cylindrical faces of a hole or holes.

In Manufacturing Attributes, scroll down to DRILL and clickclick(right mouse button) on H8 (created in Step 4, item 5) under the Coded attribute type and pickpick(left mouse button) Attach.

After completing the Attach function, notice that the icon is now highlighted in yellow and that the "H8" text that was previously grayed out is now black.

Repeat the same process for other groups of holes, selecting multiple hole faces and applying the appropriate attributes/values. 

Pick the OK button  to accept all changes.

Note: You can pick multiple holes at once and attach the same attribute to all picked holes. If you pick the attached attributes, you will be able to see the relevant hole selected on screen.

Open a new drafting file. 

Create a Bottom View for the component.

See the following image as an example for this exercise.

Note: Only holes that are based on a full circle will display a symbol. If a portion of the circle is hidden by an object, the symbol will not be visible.

Invoke Dimension and pick the symbols to display their properties.

In the image below, note that the EDM symbol has replaced the circle curve. This option was set in Step 3, item 3 by substituting the "No" value with "Yes" for the Delete_Original_Circle_In_View value element. To set a dimension for this circle, select the yellow circle surrounding the symbol.

Note: If more than one attribute is attached to a hole, only the first attribute from the group will be displayed in the dimension. 

Invoke Table of Holes (TOH) and pick the Bottom View. 

Pick OK  to approve Select Origin Point. 

Pick anywhere on the graphical area (this picked point will be the corner position of the table). 

Pick the Edit Table of Holes icon in the Table of Holes dialog.

The Table of Holes Editor dialog will appear. Pick the Column Chooser icon.

From the Column Chooser dialog, pick Marking Type from the Available Fields column and pick the ADD -> button to add it to the Displayed Fields column. Pick the OK button to accept changes and close the Column Chooser dialog.

 

  From the Table of Holes Editor, pick the OK button. 

  From the Table of Holes pane, pick the Close button .

Note that a new column, Marking Type, has been added to the TOH, which displays the Customized Hole Tolerance group name. The attached attributes from the Customized Hole Tolerance group are displayed in the Parameter Values column.

Note: Attaching a Digit of Precision to a hole will affect the XYZ precision of the hole position (see lines 15 and 16 above).

  Invoke Label of Holes (LOH) and pick the Bottom View.  

  Pick the OK button to approve Label of Holes.

Note: The Customized Hole Tolerance group name will be displayed under LOH number.

  Save and Close the file.