OpenBridge Modeler

Detail Style-Dimensioning - Groups-Reference Points tab

Here, you select the component parts for which you want to attach add-on dimensions in the main views of the detail (front view, plan view, etc.) and determine the dimension points as well as the position of dimension chains.

Tip: For the essential settings on this dialog tab, please refer to the general descriptions of defaults —Dimensioning Chain Settings topic.

List of Dimensioning Groups

The following special dimensions may be added apart from the different component part groups for shapes, poly-plates, etc already described in the introduction:

Special Dimensions
Reference Points Position dimensions of the two reference points of the main part
System Dimensions System dimensions of the components connected to the main part
Diagonal Dimensions Length and system dimensions for diagonal shapes
Manual Dimension Points Manual dimensioning objects from the 3D model for  groups
Local reference planes Position of reference planes (connecting shapes) at reference to the connecting shape
Additional dim. gusset plate Additional dimension for drill holes in gusset plates

Special Forms of Dimensioning

Some additional dimensionings for diagonal shapes as well as system dimensions may be added via special dimensions. System points here are the points of intersection of the center axes of connected shape and reference shape. 

Diagonal Dimensions
Length Overall length of the diagonal
System distance Distance of the end points to the system point which is situated next 
System length Distance of system points
System Dimensions
On system position The position of the dimension chains depends on the position towards  the axis of the main part
Own dim. chain (secondary) System dimensions of secondary position always get their own dim. chain
Primary dim. chain (secondary) System dimensions of primary/secondary position only get one dim. chain
Additional Dimensions Gusset Plate (Related to Reference)
System point Reference to the system point of reference part and hole field direction
Plate edge Reference to the plate edge situated next in hole field direction

Diagonal and System Dimensions

Here you can see some examples of diagonal and system point dimensioning: 

Diagonal Dimensions

Here you see the length of a diagonal (1), its distances to the two system points (2) and the system length (3). In addition, dimensioning of the system points (4) of the main part has been added.


System Dimensions

Here you see the system dimensions of connecting shapes which are in primary (1) and secondary (2) position to the main part.  Separated dimension chains have been selected.