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Technical report on the design of extension springs for the 2-RRS-1-RRRR mechanism

##article.authors##

  • Isaac John Indian Institute of Technology Palakkad, 678623 Kerala, India
  • Santhakumar Mohan Indian Institute of Technology Palakkad, 678623 Kerala, India
  • Philippe Wenger Nantes Universite, Ecole Centrale de Nantes, CNRS, LS2N, 44000 Nantes

DOI:

https://doi.org/10.31224/6183

Keywords:

Design of extension springs, Parallel mechanisms, Cable-actuated parallel mechanisms, Wrench-feasible workspace

Abstract

This report investigates two strategies for the design of extension springs suitable for various proportions of a two-degrees-of-freedom (dof), 2-RRS-1-RRRR cable-actuated mechanism. The design strategies seek feasible designs for extension springs conforming to geometrical constraints on free length and outer coil diameter, as well as strength-based constraints defined by factors of safety at critical locations in the coil and hooks.

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Posted

2026-01-06

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Copyright (c) 2026 Isaac John, Santhakumar Mohan, Philippe Wenger

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This work is licensed under a Creative Commons Attribution 4.0 International License.