抄録
Recently every machines are being developed more func-tional and higher grade by electronics.Therefore its operation is changing to more complicated system.As a result, Buttons are be-ing increased based on easy way of thinking.But it's not good for us.Because we hardly understand to operate system when there are many buttons. We are studying about the interface unit which is simple and useful , And we expect simple interface (especially like a knob and button) have a simple and stronger visual appeal than too many buttons.We designed a opration pannel of Punch Laser combina-tion machine based on this study.
