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Gearbox

Realistic model of a gearbox

 

Description

Connections

Parameters

Modelica Standard Library

Description

The Gearbox component models the essential effects of a gearbox, in particular, losses due to bearing friction and sliding friction in the teeth, elasticity, damping, and backlash. Inertia is not modeled. The component consists of a Lossy Gear component and a Elasto-Backlash component connected in series.

Connections

Name

Description

Modelica ID

flangea

Flange of left shaft

flange_a

flangeb

Flange of right shaft

flange_b

support

Conditional Support Flange

support

heatPort

Optional heat port

heatPort

Parameters

General Parameters

Name

Default

Units

Description

Modelica ID

r

1

1

Transmission ratio φaφb

ratio

Loss Table

0.,1.,1.,0.,0.

1

Array for mesh efficiencies and bearing friction depending on speed (see LossyGear)

lossTable

c

100000

Nmrad

Gear elasticity (spring constant)

c

d

0

Nmsrad

Relative gear damping

d

b

0

rad

Total backlash

b

Use Heat Port

false

 

True (checked) means heat port is enabled

useHeatPort

Use Support Flange

false

 

True (checked) enables the support flange

useSupport

Advanced Parameters

Name

Default

Units

Description

Modelica ID

State Select

prefer

 

Prioritize φrel and wrel as states

stateSelect

Modelica Standard Library

The component described in this topic is from the Modelica Standard Library. To view the original documentation, which includes author and copyright information, click here.

See Also

1-D Mechanical Overview

Rotational Bearings and Gears