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Abstract：
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AC servo motor driving is a new developing trend in forming equipments.It can not only realize flexibility and intelligence,but increase productivities,improve product quality,save energy,and benefit environment protection as well.The basic principles of AC servo transmission and the current situation of AC servo presses were introduced,and their key problems were discussed,such as AC servo motors with big power and their driving and control techniques,energy recycling during motor working,design of transmission without flywheel,screw-nut transmission with heavy duty and high efficiency,optimization of forming process based on servo presses,etc.Further develop trends and some problems of servo presses were also discussed.
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Funds：
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广东省自然科学基金资助项目(04009468);;
广东省科技计划资助项目(2006B11901004)
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AuthorIntro：
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Reference：
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