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The Serpentine Drive Analysis Program (SDAP) is developed for designing flexible member (i.e. roller chain, synchronous belt, and V-belt) serpentine drives. The program, based on industry standard design procedures, provides the user with a design tool for investigating alternative configurations. SDAP calculates driver sizes, geometrical relationships, and force transmission characteristics. Basic design methodology is discussed, and two examples illustrate the usage and flexibility of the program.

The application of computer-aided engineering techniques to the design of off-road equipment reduces the development time and improves the performance and reliability. This paper discusses the applications of wireframe and solid geometric graphics techniques for the design engineering process (synthesis and analysis) of agricultureal equipment. From the illustrative examples, wireframe modeling best characterizes the design function of the mechanism or vehicle, while solid geometric modeling describes the best visualization of the machine and its component systems.

The purpose of this paper is to describe and demonstrate a computer program to interactively design roller-chain and synchronous-belt drives. The program allows the user to optimize the power-transmission drive system and has graphics capability to assist in design visualization. The paper discusses the analysis procedure, design criteria, and the program data base. The analysis procedure and design criteria are based on accepted methodology by the roller-chain and synchronous-belt manufacturers. Governing equations and flow charts are included in the discussion, and three examples are presented to demonstrate the program capabilities and features.