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Gear

Realistic model of a gearbox

Important: The Gear component has been deprecated. Instead, use the Gearbox component with its Use Support Flange parameter set to true.

Description

This component models the essential effects of a gearbox, in particular, gear efficiency, gear elasticity, damping, and backlash. The inertia of the gear wheels is not modeled. If necessary, inertia must be taken into account by connecting an Inertia component to the left and/or the right flange.

Connections

Name

Description

flangea

Flange driving shaft

flangeb

Flange to driven shaft

bearing

Gearbox housing

Parameters

Name

Default

Units

Description

Modelica ID

r

1

-

Transmission ratio φa/φb

ratio

η

1

-

Gear efficiency

eta

frictionpos

0,1

-

Positive sliding friction characteristic [w,τ] (0w)

friction_pos

peak

1

-

peakfrictionpos1,2 is the maximum friction torque at zero velocity

peak

c

1105

Nmrad

Gear elasticity (spring constant)

c

d

0

Nmsrad

Relative gear damping

d

b

0

rad

Total backlash

b

See Also

Bearings and Gears

1-D Mechanical Overview

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

 

 

 

 

 


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