This paper describes internet collaboration of 3D-CAD design and manufacturing for product development. The product example is a small-sized wind power generator, which was actually produced. From the viewpoint of research interest, wind power generators using rare-earth material permanent magnets were studied. Through internet multi-stations collaboration, which will be realized in the very near future in industries, 3D-CAD and manufacture of a small-sized wind power generator was conducted with cooperation of the Kochi University of Technology and Sakamoto Giken Co. In order to realize the internet collaboration, a file compression software and a tool for collaboration is required. The commercially available file compression and collaboration software were tried for the product development of the small-sized wind power generator. This paper reports the example of the product development using the internet collaboration technique.

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