Abstract：Equipments are the important factor of the development of productivity, also are the important material foundation of production. Equipments will have a direct impact on the development of enterprises, so need pay more attention to.
Now, many small and medium-sized enterprises are facing the shortage of equipment production capacity and the equipment’s inefficient lowly etc., all of these will hinder the future development of enterprises. Especially in the increasingly competitive market, so enterprises must establish a set of reasonable and practical equipment management mechanism, and supervision the circumstance of equipments’ operation and the updating, adjust equipments state timely.
During recent years, as the developing of technical-economics and other interrelated subject, the study on the renewal methods for equipment has improved a lot. This paper attempts to analyze renewal decision of equipment combing economy and technology. It introduces the theories and calculating method of abrasion as well as economic life for equipment. And the overhaul, renew, Technological transformation for the decision of equipment renewing.
This paper discussed the technical and economic analysis and the way of decision-making of the equipment management; it thought that it can improves economy ability of the equipment with the methods of equipment economic life. This paper provides the theory basis to economic decision-making of equipment; provides the theory basis to strategy of update and reconstructing equipment; it can guide company to manage equipment economically.
Key words：abrasion；uipment renewing；conomic life span；ecision
