KISSsoft Tutorial-Shaft Editor

1 Starting the Shaft editor

1.1 Starting the Shaft editor

For more information, refer to KISSsoft Tutorial 005, Shaft calculation, Section 1.2.

1.2 Calling the Shaft editor, settings

The main shaft calculation screen (Figure 1.1) consists of these tabs: "Shaft editor", "Basic

data" and "Strength". In the Shaft editor you can model various shafts, taking into account their constraints and loads. These shafts can then be used in other calculations (deformation, strength etc., see Tutorial 005). The "Basic data" tab is where you input the basic settings (shaft position, speed, sense i.e. direction of rotation) either directly or by clicking the "Calculation/Settings" menu option (for further information about calculation-specific settings, press "F1" to call the Help/Manual).

Figure 1.1 Shaft editor, module-specific settings, input speed, materials etc.

2 Modeling a shaft

2.1 General remarks

To model a shaft in the KISSsoft system, you must input the main dimensions, notch geometry,

external loads and positioning/constraints and critical cross sections. You define these values

in the"Elements-tree". To do this, select the appropriate element and right-hand mouse click on a list of elements that can be added to the calculation. You can also create sub-elements for axial symmetric contours (cylinder and cone).

Figure 2.1 The five most important elements required to create a shaft

2.2 Coordinate system

Note that the coordinate system is right-handed and Cartesian.

Positive x-axis : out of the screen

Positive y-axis: from left to right, in direction of shaft axis

Positive z-axis: from bottom to top

Position of application: angle between positive x-axis and towards

positive z-axis

You can display or hide the coordinates system by activating/deactivating the "Show coordinate

system" checkbox in "Module specific settings".

2.3 Editing functions, screen view

The following editing functions are available in the graphical Shaft editor:

On the right-hand side of the Editor, you see the following icons which you can use to input elements more easily:

2.4 Entering main dimensions

To define a shaft section, select the element in the "Elements-tree Outer→contour" or select the corresponding icons from the vertical tool bar, for example, for "Cylinder" and the appropriate dialog opens in the Elements-editor (Figure 2.3).

Figure 2.3 Dialog in which you define a shaft section (cylinder)

You then define the diameter, length and surface roughness in the Elements-editor. Every new

shaft section you add can be positioned either before (to the left) or after (to the right)of existing sections. To add a shaft section to an existing section, first select the existing section with a left-hand mouse click and then right-hand mouse click and select "Add an element in front" to insert the new shaft section. To modify an existing element in the Elements-editor, simply select it with a left-hand mouse click. If this is not available in the display window, click "Calculation/Elements-editor" to display it (Figure 2.4).

Bores ("Inner contour→cylindrical bore") are also added to the existing shaft, from left to right. However, if you want the bore to be present only on the right-hand end of the shaft, first define a bore with diameter zero from the left end of the shaft.

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