8.3 Design Study for a Carbon Composite Manipulator

Middendorf, Peter; Böhler, Patrick; Gnädinger, Florian; Heieck, Frieder; Birkefeld, Karin

doi:10.1016/b978-0-12-803581-8.10048-7

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2019

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“…Static and dynamic tests of the CFRPmanipulator showed that it fulfils all their basic requirements. The braided CFRP-manipulator was 70% lighter than the steel and increased handling properties because of locally adapted material properties [11].…”

Section: Current Status Of Workmentioning

confidence: 99%

Investigation on adaptability of carbon fiber tube for serial manipulator

Kartikejan¹,

Sabarianand²,

Sugantan³

2019

FME Transactions

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This work describes the investigation on adapting the carbon fiber tube for building lightweight serial manipulator links. The carbon fiber is chosen based on its significant properties such as lightweight and superior mechanical strength, as an alternative to the existing conventional alloys such as steel and aluminium. A serial manipulator also suffers from a few disadvantages. A typical serial manipulator generally has a structure weight to payload ratio of approximately 200:1, which in turn drastically increases the power and torque requirements of the link actuators. So, there is a need to address this serious problem by investigating the lightweight construction for robot arm links through alternative designs. Such a design will significantly decrease the power requirements of the robot arm without compromising on stability. A comparative study has been done considering three different materials: steel, aluminium and carbon fiber using finite element analysis to check payload capability and stress concentrations.

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Section: Current Status Of Workmentioning

confidence: 99%