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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Equipment for testing the front forks of motorcycles and e-bikes
 Vaněk, Tomáš ; Jeniš, Filip (referee) ; Mazůrek, Ivan (advisor)
One of the most important parts of motorcycle and bicycle chassis is the telescopic fork. Its proper function is tested on pulsators. The manufacturers of the test pulsators clamp the suspension under test vertically and the load force is applied in the direction of the fork axis. However, the direction of the force changes when actually crossing bumps of different sizes. For this reason, an add-on device to the pulsator has been developed to simulate the real load waveform. In addition to suitable kinematics changing the direction of the force applied to the suspension, the movement of the end of the suspension must also be simulated. The designed device has the highest accuracy in simulating the forces at steering angle values between 20° and 30°. The attachment system to the pulsator frame is also an integral part, allowing a large number of suspensions with different dimensions to be clamped. Strength calculations have been carried out for the individual parts of the device with a maximum applied force of 3 kN. In order to further improve the loading kinematics, it is advisable to carry out tests of the wheel crossing over unevenness in reality and to adjust the device according to the results.
Detailed record
Equipment for testing the front forks of motorcycles and e-bikes
 Vaněk, Tomáš ; Jeniš, Filip (referee) ; Mazůrek, Ivan (advisor)
One of the most important parts of motorcycle and bicycle chassis is the telescopic fork. Its proper function is tested on pulsators. The manufacturers of the test pulsators clamp the suspension under test vertically and the load force is applied in the direction of the fork axis. However, the direction of the force changes when actually crossing bumps of different sizes. For this reason, an add-on device to the pulsator has been developed to simulate the real load waveform. In addition to suitable kinematics changing the direction of the force applied to the suspension, the movement of the end of the suspension must also be simulated. The designed device has the highest accuracy in simulating the forces at steering angle values between 20° and 30°. The attachment system to the pulsator frame is also an integral part, allowing a large number of suspensions with different dimensions to be clamped. Strength calculations have been carried out for the individual parts of the device with a maximum applied force of 3 kN. In order to further improve the loading kinematics, it is advisable to carry out tests of the wheel crossing over unevenness in reality and to adjust the device according to the results.
Detailed record

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