FCGear CycloidRack/it: Difference between revisions
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Revision as of 11:40, 23 May 2024
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|
Menu location |
---|
Gear → Cycloid Rack |
Workbenches |
FCGear |
Default shortcut |
None |
Introduced in version |
1.0 |
See also |
FCGear CycloidGear |
Description
Cycloid racks from left to right: Spur gearing, helical gearing, double helical gearing
Usage
- Switch to the
FCGear Workbench.
- There are several ways to invoke the command:
- Press the
Cycloid Rack button in the toolbar.
- Select the Gear →
Cycloid Rack option from the menu.
- Press the
- Change the gear parameter to the required conditions (see Properties).
Properties
An FCGear CycloidRack object is derived from a Part Feature object and inherits all its properties. It also has the following additional properties:
accuracy
- Datinumpoints (
Integer
): Default is15
. Number of points for spline.
base
- Datiadd_endings (
bool
): Iftrue
(default), then the total length of the rack is teeth * pitch. Iffalse
, then the rack starts with a tooth-flank. - Datiheight (
Length
): Default is5 mm
. Value of the gear width. - Datiteeth (
Integer
): Default is15
. Number of teeth. - Datithickness (
Length
): Default is5 mm
. Thickness of the uncut part of the rack.
computed
- Datitransverse_pitch (
Length
): (read-only) Pitch in the transverse plane.
cycloid
- Datiinner_diameter (
Float
): Default is7.5
. Diameter of the rolling circle of hypocycloid, normalized by the Datimodule (see Notes). - Datiouter_diameter (
Float
): Default is7.5
. Diameter of the rolling circle of epicycloid, normalized by the Datimodule (see Notes).
fillets
- Datihead_fillet (
Float
): Default is0
. - Datiroot_fillet (
Float
): Default is0
.
helical
- Datibeta (
Angle
): Default is0 °
. With the helix angle β a helical gear is created (positive value → rotation direction right, negative value → rotation direction left). - Datidouble_helix (
Bool
): Default isfalse
,true
creates a double helix gear (see Notes).
involute
- Datimodule (
Length
): Default is1 mm
. For racks the module equals the pitch and so is the distance between corresponding points on adjacent teeth (see Notes).
precision
- Datisimplified (
Bool
): Default isfalse
. Iftrue
the rack is drawn with a constant number of teeth to avoid topological renaming.
tolerance
- Daticlearance (
Float
): Default is0.25
(see Notes). - Datihead (
Float
): Default is0
. Additional length of the tip of the teeth, normalized by the Datimodule.
version
- Dativersion (
String
):
Notes
See FCGear CycloidGear.
Useful formulas
See FCGear CycloidGear.