Measurement Of Angles On Holes
 Tutorial
|
| Topic |
|---|
| TechDraw |
| Level |
| Base |
| Time to complete |
| 1 minute |
| Authors |
| AnHi |
| FreeCAD version |
| 0.19 |
| Example files |
| None |
Introduction
This tutorial explains how to create center hole lines using the 
TechDraw Workbench with oriented holes.
By creating angles for holes it's not possible to use vertical or horizontal center lines (false/true) from the properties of the view. Helping lines and/or helping points are created for this necessity.
Proceeding
1. Setting center lines on holes:
There are some possibilities to create a center line for holes. At first the lines or points on the hole must be selected as shown below. Second, the following tools can be used from the toolbar to create the center line:
Above: created with 
which creates centerlines between 2 points
Above: created with 
which creates centerlines between 2 lines
In the associated Combo View dialog box select in the Tasks panel under Orientation "Aligned" for axes out of main axes. Extend By means the length of the center line beyond of the body line in the drawing. With Shift Horizontal and Shift Vertical the center line can move in horizontal or vertical direction, if is necessary. Style means the figure of center line.
Above: dialog box
The created center line can change. Select the center line and press the button or from the tool bar which you have created the center line. Delete the center line only with 
from the tool bar after selecting the center line.
2. Setting angles:
Quadrant points select with 
from the tool bar. Next select the points as show below and use 
from the tool bar to create the angle. Other succession create other angles.
Is there no catching point on the center line change "ISO count" in the properties.
Above: Succession of selection
TechDraw
- Pages: Insert Default Page, Insert Page using Template, Redraw Page
- Views: Insert View, Insert Active View, Insert Projection Group, Insert Section View, Insert Detail View, Insert Draft Workbench Object, Insert Arch Workbench Object, Insert Spreadsheet View
- Clips: Insert Clip Group, Add View to Clip Group, Remove View from Clip Group
- Decorations: Hatch Face using Image File, Apply Geometric Hatch to Face, Insert SVG Symbol, Insert Bitmap Image, Turn View Frames On/Off
- Dimensions: Insert Length Dimension, Insert Horizontal Dimension, Insert Vertical Dimension, Insert Radius Dimension, Insert Diameter Dimension, Insert Angle Dimension, Insert 3-Point Angle Dimension, Insert Horizontal Extent Dimension, Insert Vertical Extent Dimension, Link Dimension to 3D Geometry, Insert Balloon Annotation, Insert Landmark Dimension
- Annotations: Insert Annotation, Add Leaderline to View, Insert Rich Text Annotation, Add Cosmetic Vertex, Add Midpoint Vertices, Add Quadrant Vertices, Add Centerline to Faces, Add Centerline between 2 Lines, Add Centerline between 2 Points, Add Cosmetic Line Through 2 points, Remove Cosmetic Object, Change Appearance of Lines, Show/Hide Invisible Edges, Add Welding Information to Leader
- Extensions: Draw circle centerlines, Cosmetic thread hole side view, Cosmetic thread bolt side view, Cosmetic thread hole bottom view, Cosmetic thread bolt bottom view
- Export: Export Page as SVG, Export Page as DXF
- Additional: LineGroup, Templates, Hatching, Geometric dimensioning and tolerancing, Preferences
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