Abstract
Nowadays varieties of product are still continuously increasing in the market. To survive in their business, companies should be able develop new products. This means that for a company, product development is an important aspect for competing in the market. In this situation, a need for a design support tool to help product development team in the development activities is very urgent. This paper addresses the development of a design support tool based on mathematical model related to cycle time, modeling a multi-stage, multi-product production line system and it can process a variety of products in a batch production environment. Products are processed according to a predefined sequence. The tool used at earlier stages of product design to develop products in a shorter time.