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Gear-shift-mechanism testing

Schaltsimulation unter KlimaThree axes servo-pneumatic testing machines are employed for the endurance test of gear-shift-mechanisms in passenger cars.
By means of combining displacement and force control, gear-shift operations can be simulated and repeated several thousand times.
The use of a climate chamber further ensures that the simulation is done under real conditions.

 

Gear-shift-mechanism

Prüfung GangwahlhebelThe shift-mechanism for a manual 6 gear transmission including reverse gear are executed in arbitrary order and can be repeated over a thousand times.
Every shift-mechanism is accurately defined by its force and displacement input values and executed by the precisely controlled pneumatic axis. An over load at the end position and a side load on the gear selector lever during gear shift are also considered.

 

Environmental simulation

The testing software controls a climate chamber synchronously to the cyclic repetition of the shift-mechanism. Hence it is possible to repeat the same shift-mechanism for a predefined number of times within a given temperature range. The climate chamber operates suitably in a temperature range of -40°C to +140°C and a humidity range of 10-98% at 10°C to 90°C.

 

Continuous data recording

By continuously recording data throughout the test period, it is possible to have a statement not only about the type of damages or change in the test parameters but also the evolution of the damages or parameters while performing a test. All data are automatically recorded for further documentation and analysis.

 

The following news article also deals with this test machine (German):
Schaltsimulationsprüfstand mit Temperaturbeaufschlagung

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