GuiCommand: Name: FCGear HypoCycloidGear MenuLocation: Gear , HypoCycloid Gear Workbenches: FCGear_Workbench Shortcut: None Version: 1.0 SeeAlso:
FCGear HypoCycloidGear
Description
The FCGear HypoCycloid Gear command creates two splined cam disks and a set of rollers that stay in touch with the disks\' outer surfaces while moving.
![](https://raw.githubusercontent.com/FreeCAD/FreeCAD-documentation/master/wiki/images/FCGear_FCGear_HypoCycloidGear-04.png)
![](https://raw.githubusercontent.com/FreeCAD/FreeCAD-documentation/master/wiki/images/FCGear_FCGear_HypoCycloidGear-05.png)
Please provide a short description what can be achieved using such a gear train.
Usage
- Switch to the
FCGear Workbench.
- There are several ways to invoke the command:
- Press the [
HypoCycloid Gear button in the toolbar.
- Select the Gear → [
HypoCycloid Gear option from the menu.
- Press the [
- Change the gear parameter to the required conditions (see Properties).
Properties
Notes
The default gear(s) are displayed like this:
![](https://raw.githubusercontent.com/FreeCAD/FreeCAD-documentation/master/wiki/images/FCGear_FCGear_HypoCycloidGear-01.png)
To display the cam disks and the set of rollers (pins) in different colours, we need three identical HypocycloidGear objects. Their visibility can be toggled:
-
show_disk0|Boolfor the main cam disk.
-
show_disk1|Boolfor a reversed cam disk on top.
-
show_pins|Boolfor the set of pins.
![](https://raw.githubusercontent.com/FreeCAD/FreeCAD-documentation/master/wiki/images/FCGear_FCGear_HypoCycloidGear-02.png)
![](https://raw.githubusercontent.com/FreeCAD/FreeCAD-documentation/master/wiki/images/FCGear_FCGear_HypoCycloidGear-03.png)
Scripting
⏵ documentation index > Addons > FCGear > External Command Reference > FCGear HypoCycloidGear
This page is retrieved from https://github.com/FreeCAD/FreeCAD-documentation/blob/main/wiki/FCGear_HypoCycloidGear.md