Session
Mechatronics, Robotics, and System Engineering
Description
In the present study is shown how to change the main indicators of vibrations of crankshaft, in case of changing its masses. In the study it was taken the crankshaft of diesel engine with 4 cylinders in line with 5 main journals. To study the torsional vibration of the crankshaft system, the first it is carried the construction of equivalent reduced scheme with five discs connected to four flexible shafts. Results show that the reduced inertia moments of disks for the case with counterbalances grow to 24%. Free frequency and vibration forms, is calculated by using Holxer-Tole method. Results show that the increase of counterbalance mass leads in the reduction of vibration frequency. For the crankshaft with counterbalance the vibration form does not change, but the forced vibration amplitudes increase over 11%. Most charge part in torsion, remains the shaft 5 equally as the crankshaft without counterbalance.
Keywords:
crankshaft, counterbalance, frequency, vibration
Session Chair
Xhemajl Mehmeti
Session Co-Chair
Besart Pllana
Proceedings Editor
Edmond Hajrizi
ISBN
978-9951-437-24-0
First Page
160
Last Page
169
Location
Durres, Albania
Start Date
2-11-2013 12:15 PM
End Date
2-11-2013 12:30 PM
DOI
10.33107/ubt-ic.2013.72
Recommended Citation
Hajderi, Asllan and Lumi, Drakuli, "Impact of Counterbalance Mass on Torsional Vibrations of Crankshaft" (2013). UBT International Conference. 72.
https://knowledgecenter.ubt-uni.net/conference/2013/all-events/72
Included in
Impact of Counterbalance Mass on Torsional Vibrations of Crankshaft
Durres, Albania
In the present study is shown how to change the main indicators of vibrations of crankshaft, in case of changing its masses. In the study it was taken the crankshaft of diesel engine with 4 cylinders in line with 5 main journals. To study the torsional vibration of the crankshaft system, the first it is carried the construction of equivalent reduced scheme with five discs connected to four flexible shafts. Results show that the reduced inertia moments of disks for the case with counterbalances grow to 24%. Free frequency and vibration forms, is calculated by using Holxer-Tole method. Results show that the increase of counterbalance mass leads in the reduction of vibration frequency. For the crankshaft with counterbalance the vibration form does not change, but the forced vibration amplitudes increase over 11%. Most charge part in torsion, remains the shaft 5 equally as the crankshaft without counterbalance.