02002naa a2200181 a 450000100080000000500110000800800410001910000160006024500950007626000090017152013920018065300260157265300250159865300140162370000210163770000180165877301440167611252522016-08-05       2016    bl uuuu     u00u1 u    #d1 aHAYASHI, L.  aDesign and prototype of Kappaphycus alvarezii mechanical harvester.h[electronic resource]  c2016  aA mechanical harvester for K. alvarezii cultivated in Brazil is described. It was based on the same principle of mussels harvesting machines used in continuous system production farms in New Zealand, Australia, the USA and the UK. The mechanical design was done in four stages: specification, conception, basic design and detailed design. The first stage dealt with the establishment of necessary technical specifications for design and evaluation of the next stages. Physical solutions were proposed at the second conception step to fulfill the design specifications. At the basic design, prototype dimensions and shapes were defined as well as materials and manufacture process. Necessary prototype parts and assemblies drawings for the prototype production were produced at the final detailed design stage. Extractors were adapted in design revision to Perna perna mussels and K. alvarezii (cultivated in tubular nets) farmed in Brazil to provide lighter and compact structure and manufacturing costs reduction without compromising their robustness. Comparing design specifications and the final built mechanical harvester prototype, only mass and manufacturing costs target values were extrapolated (30.5% and 26.1%, respectively). Field trials will be performed for the prototype performance evaluation to assess the effects of mechanization in K. alvarezii harvesting productivity.  aKappaphycus alvarezzi  amechanical harvester  aprototype1 aNOVAES, A. L. T.1 aSANTOS, A. A.  tIn: INTERNATIONAL SEAWEED SYMPOSIUM 2016, 22., 2016, Copenhagen, Denmark. Abstracts... Copenhagen, Denmark: BDP, Denmark, 2016. p. 111-112.