A new approach to enhance the stiffness of heavy-load parallel robots by means of the component selection

•A new approach to enhance the stiffness of parallel robots is proposed.•An overall stiffness model including the component parameters is investigated.•An index to meet the stiffness requirement of machine tools are derived.•Two instances of the A3 head and the Tricept based are presented. Stiffness...

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Veröffentlicht in:	Robotics and computer-integrated manufacturing 2020-02, Vol.61, p.101834, Article 101834
Hauptverfasser:	Fan, Shuai, Fan, Shouwen, Lan, Weibin, Song, Guangkui
Format:	Artikel
Sprache:	eng
Schlagworte:	Clearances Component selection Deformation effects Machine tool Machine tools Machining Parallel robot Parameters Particle swarm optimization Robots Stiffness enhancement Stiffness index Stiffness matrix Synthesis
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