Measurement Of Angles On Holes

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Revision as of 15:23, 9 April 2020 by AnHi (talk | contribs)
Tutorial
Topic
TechDraw
Level
Base
Time to complete
1 minute
Authors
AnHi
FreeCAD version
0.19
Example files
None
See also
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:

Add Centerline between 2 Points
Add Centerline between 2 Lines

Above: created with TechDraw_2PointCenterLine which creates centerlines between 2 points

Above: created with TechDraw_2LineCenterLine which creates centerlines between 2 lines

In the dialog box choice "Ausgerichtet / Aligned" for achses out of main achses. "Erweitert um / Extend by" means the length of the center line beyond of the body line. With "Shift Horiz." and "Shift Vert." the center line can moving in horizontal or vertical direction, if is necessary. "Stil" means the figure of center line.

The created center line is fix and didn't can change. Delete only with File:AnHi9.PNG from the tool bar after selecting the center line.

2. Setting angles:

Quadrant points select with File:AnHi10.PNG from the tool bar. Next select the points as show below and use File:AnHi8.PNG 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.


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Wird in der Ansicht kein Fangpunkt auf der Mittellinie der Bohrung angezeigt, dann den Wert bei „ISO count“ im Eigenschaftsfeld der Ansicht erhöhen.