On the Dynamic Balance of a Planar Four-Bar Mechanism with a Flexible Coupler

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The dynamic balance of planar mechanisms with flexible links is considered. A balancing principle for a single prismatic beam with a number of support points is developed, which is based on modal balancing. The cases with two and four support points are applied to a planar four-bar mechanism with a flexible coupler and the results are compared with the case in which the coupler is hinged at its ends and the case in which it is supported at reciprocal points. It is shown in an example that the shaking forces can be reduced by a factor of up to 200, but that it is more difficult also to balance the shaking moment.
Original languageEnglish
Title of host publicationAdvances in Mechanisms and Machine Science
Subtitle of host publicationProceedings of the 15th IFToMM World Congress on Mechanism and Machine Science
EditorsTadeusz Uhl
Place of PublicationCham, Switzerland
ISBN (Electronic)978-3-030-20131-9
ISBN (Print)978-3-030-20130-2
Publication statusPublished - 2019
Event15th IFToMM World Congress on Mechanism and Machine Science
- Krakow, Poland
Duration: 30 Jun 20194 Jul 2019
Conference number: 15th

Publication series

NameMechanisms and Machine Science
ISSN (Print)2211-0984
ISSN (Electronic)2211-0992


Conference15th IFToMM World Congress on Mechanism and Machine Science
Abbreviated titleIFToMM


  • dynamic balance
  • flexible link
  • compliant
  • four-bar mechanism

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