Dimensioning A Slot Pattern

When placing dimension on the outside perimeter of a part or a building detail, remember, you may want to place more dimensions below that measurement. So in the case of the circular problem, the angular dimensions are approximately 1.5 inches off the outer surface of the 12.0 diameter. That brings you to detailing the slot opening and width. The center-line tools are missing a 'center of slot' one-click option. Currently this takes 4 clicks, which would be a bummer if you have many slots to dim. 😂 If I were you, and found that style of dimension critical. I would create (2) improvement requests. One for the 'slot center marks' and one for the dimension callout. . Dimensions shall be expressed to the least number of significant figures, e.g. The decimal marker shall be a bold comma, given a full letter space and placed on the baseline. Where four or more numerals are to the left or right of the decimal marker, a full space shall divide. What is the 'standard' method for dimensioning slots? We have for years located the slot by the geometric centerlines and described the slot size by note. For example: 'SLOT 9/16 X 1'. Some of us are wanting to locate the slot with the longitudinal centerline in one direction and by the ends of the slot in the opposite direction.

• Dimensioning A Slot Pattern Blocks
• Dimensioning A Slot Pattern Set
• Dimensioning Slot Pattern

In this video, we are going to see a trick on how to create a dimension pattern of slots controlled by references in Creo Parametric. Tips to increase Produc.

Description

The polar pattern tool takes a selected feature and creates a set of copies rotated around a chosen axis. Starting with v0.17, it can pattern multiple features.

Above: a slot-shaped pocket (B) made on top of a base solid (A, also referred to as support) is used for a polar pattern. The result (C) is shown on the right.

Usage

To create a pattern:

1. Select the feature (introduced in version 0.19 or several features) to be patterned.
2. Press the PolarPattern button.
3. Define the Axis. See Options.
4. Define the Angle between the last copied occurrence and the original feature.
5. Set the number of Occurrences.
6. If you have several features in the pattern, their order can be important, see the image below. introduced in version 0.19 You can change the order by dragging the feature in the list and you will see the result immediately as preview.
7. Press OK.

Effect of the feature order

To add or remove features from an existing pattern:

1. Press Add feature to add a feature to be patterned. The feature must be visible in the 3D view:
   1. Switch to the Model tree;
   2. Select in the tree the feature to be added and press Spacebar to make it visible in the 3D view;
   3. Switch back to the Tasks panel;
   4. Select the feature in the 3D view; it will be added to the list.
   5. Repeat to add other features.
2. Press Remove feature to remove a feature from the list, or right-click on the feature in the list and select Remove.

Options

Axis

When creating a polar pattern feature, the PolarPattern parameters dialogue offers different ways of specifying the pattern rotation axis.

Normal sketch axis

An axis being normal to the sketch and starting in the origin of the sketch of the feature being used is taken as axis for the polar pattern.
The pattern direction can be reversed by ticking 'Reverse direction'.

Horizontal sketch axis

Dimensioning A Slot Pattern Blocks

Uses the horizontal axis of the sketch for axis.

Vertical sketch axis

Uses the vertical axis of the sketch for axis.

Custom Sketch Axis

If the sketch which defines the feature to be patterned also contains a construction line (or lines), then the drop down list will contain one custom sketch axis for each construction line. The first construction line will be labelled Sketch axis 0.

Base (X/Y/Z) axis

v0.17 and above Select one of the Body Origin's standard axis (X, Y or Z) as axis.

Select reference...

Allows you to select either a DatumLine or an edge of an object or a line of a sketch to use for axis.

Angle and Occurrences

Specifies the angle to be covered by the pattern, and the total number of pattern shapes (including the original feature). For example, four occurrences in an angle of 180 degrees would give a spacing of 60 degrees between patterns. There is one exception: If the angle is 360 degrees, since first and last occurrence are identical, four occurrences will be spaced 90 degrees apart.

Limitations

• See linear pattern feature limitations.

Dimensioning A Slot Pattern Set

Dimensioning Slot Pattern

• Structure tools:Std Part, Std Group
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