Development Ofa Computer Aided Software For Power Transmissionshaft Design .With Multiple 'Criteria

ABSTRACT

Power transmission shafts, such as the crankshaft, impeller

shaft, propeller shafts, camshafts ere, are essential machine elements

with wide application in mechanical systems. The manual shaft

design procedure is known to be tedious and complex because of

large numbers of formulas, many. computations and' iteration

procedures involved in the design. However, the use of Computer

Aided Software (CAS) offers improved accuracy, high speed

computations, reduced rigorousness and cumbersomeness involved

in manual design procedure. This paper discusses the development

of a Computer Aided Design and Draftsng (.cADD) of power

transmission shafts with multiple design criteria (strength, torsional'

rigidity, critical speed, Soderberg and lateral rigidity), Visual Basic

2008 was used for the implementation of the algorithm, while

Fireworks was, used for the development of the Graphical User

Interface (GUI). The developed CADDis called 'UI-CADSHAFT.

The software was applied for a typical case study and validated with

manual' design. Accurateresults with increased productivity about

twenty folds over the manual design . are obtained. The

software is fully interactive, user-

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