IN THE BUSINESS OF NONSYNCHRONOUS ASSEMBLY MACHINES, THE SYSTEMS THAT ARE DISCUSSED ARE UNIQUE AND MULTI-FACETED. BEFORE AND AFTER THE INITIAL SALE, SIMULATION PROVIDES A METHOD OF PROVING CONCEPTS AND PROVIDES THE BEST SYSTEM CONFIGURATION POSSIBLE. USING SIMULATION, AN ENGINEER COULD PLAY OUT WHAT-IF SCENARIOS WITH THE USE OF THE COMPUTER. THE RESULTS THAT ARE OBTAINED CAN BE VIEWED WITH A HIGH DEGREE OF CONFIDENCE WHEN AUTHENTIC AND FACTUAL PARAMETERS ARE USED IN THE PROGRAM DEFINITION. THE COMPUTER MODELS ALLOW AN EVALUATION OF NUMEROUS CONFIGURATIONS AND CONDITIONS WITH A MINIMAL FINANCIAL IMPACT.