COMPUTER-AIDED-DESIGN OF A 2-STAGE GEARBOX

A design methodology for two-speed gearboxes is presented in this pape r. The input horse power, the input speed and net reductions in the ge arbox are the parameters to be specified. The user is given the choice of shaft and gear material. The methodology specifies the shaft dimen sions, gear specifications, bearing selection and overall space occupi ed and the self weight of the gearbox. The methodology also involves c omparison of the design stresses obtained from classical design method ology with those obtained from the FEM modeling of the problem, along with the dynamic analysis of the model. The deflections of the shaft u nder the action of gear forces are determined using both FEM and class ical methods. (C) 1997 Elsevier Science Limited. All rights reserved.