A monolithic compliant large-range gravity balancer

G. Radaelli*, J. L. Herder

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

7 Citations (Scopus)
50 Downloads (Pure)


A new monolithic fully compliant gravity balancer is designed with help of a design approach based on shape optimization. The balancer consists of one single clamped-clamped complex-shaped beam on which a weight is attached. The beam is modeled as a planar isogeometric Bernoulli beam. The goal function of the optimization consists of an energy based evaluation of the load path of the beam which is compared with a desired response. The best result of the shape optimization has been constructed out of polycarbonate sheet and out of glass-fiber reinforced plastic laminate. Both have been tested on a compression test bench. The theoretical model has good resemblance with the experimental results.

Original languageEnglish
Pages (from-to)55-67
JournalMechanism and Machine Theory
Publication statusPublished - 2016

Bibliographical note

Accepted Author Manuscript


  • Compliant mechanisms
  • Constant force generator
  • Static balancing


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