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- Politecnico di Milano
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- Mechanical Engineering
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- LIGHTWEIGHT DESIGN OF MECHANICAL STRUCTURES
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1690360546 Presentazione esame orale LD
University study material for LIGHTWEIGHT DESIGN OF MECHANICAL STRUCTURES in the Mechanical Engineering degree programme at Politecnico di Milano. The document covers: Titolo presentazionesottotitoloMilano, XX mese 20XX MoreschiniChiaraMaterial replacement of KAFO side barsLightweightdesign of mechanical structuresAA 2022/23 Nome_Laureando1, Nome_Laureando2 Outline Chiara Moreschini 1 1)Description of the part chosen for material
LIGHTWEIGHT DESIGN OF MECHANICAL STRUCTURESOther
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University study material for LIGHTWEIGHT DESIGN OF MECHANICAL STRUCTURES in the Mechanical Engineering degree programme at Politecnico di Milano. The document covers: Titolo presentazionesottotitoloMilano, XX mese 20XX MoreschiniChiaraMaterial replacement of KAFO side barsLightweightdesign of mechanical structuresAA 2022/23 Nome_Laureando1, Nome_Laureando2 Outline Chiara Moreschini 1 1)Description of the part chosen for material
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Titolo presentazionesottotitoloMilano, XX mese 20XX MoreschiniChiaraMaterial replacement of KAFO side barsLightweightdesign of mechanical structuresAA 2022/23 Nome_Laureando1, Nome_Laureando2 Outline Chiara Moreschini 1 1)Description of the part chosen for material replacement2)Working conditions analyzed of the part chosen 3)The new part: material and design method 4)FE model: setup and results5)More complex working conditions: proposed solution6)Discussion 7)Conclusions Nome_Laureando1, Nome_Laureando2 1) Descriptionof the part chosenfor metal replacement Chiara Moreschini KAFO (Knee-Ankle-Foot Orthosis)Bear part of the body weight leaving to the bones and the joints less load to sustain and improving their healing, for example in case of bone fractures, joints pathologies, etc... Lateral bars usually made of metallic materials: -AISI304stainlesssteel-AISI1020carbonsteel-Aluminumalloy705-T6 Nome_Laureando1, Nome_Laureando2 1) Descriptionof the part chosenfor metal replacement Chiara Moreschini ØAs light as possible ØBiocompatible with the skin ØCapable of bearing the body weight during daily life activities ØCorrosion resistant §Maximum deflection (avoid joint’s excessive displacement)§Resistance to static and dynamic load§Resistance to buckling §Fixed dimensions depending on patient’s characteristics Design requirements: Constraints: Nome_Laureando1, Nome_Laureando2 2) Consideredworkingconditionof KAFO Chiara Moreschini Working conditions considered:Static standing position withfull extension of the knee (femur and tibia aligned) Patient’s characteristics: Average Italian male (age 18-35)Hight: 175 cm Weight: 70 kg We neglect: Flexion of the kneeDynamic loads
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