Abstract
This work contains the 3D design and finite element analysis of a manual device for assembly by bending the sheets around an exhaust muffler. As a result of the design of the device, the requested was executed by the information provided by the mechanical designer; only when the device of bending was put into operation, some faults appeared, namely that its parts during the operation has been elastically deformed. For the construction of the elastically yielding parts, the finite element method was used to study the behavior of the tool. Following the FEA analysis, it was concluded that the dimensions and material from which those pieces had been built had to be changed. By making the new parts based on FEA calculations, they no longer elastically yield (elastic deformation less than 0.1%), so the device is accepted by the customer.
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