一种液压制动机构在双摆头中的应用  

Application of a Hydraulic Brake Mechanism in the Milling Head with Double Rotary-swivel Axes

作　　者：张磊[1] 刘春时[1] 李焱[1] 孔祥志[1] 马子良[1] 

机构地区：[1]沈阳机床集团设计研究院,辽宁沈阳110142

出　　处：《机床与液压》2011年第24期11-12,共2页Machine Tool & Hydraulics

基　　金：国家"高档数控机床与基础制造装备"科技重大专项课题(2009ZX04002-012)

摘　　要：双摆头为五轴联动加工中心核心功能部件,利用该部件可在一次装夹定位工件后,完成全部或大部分加工工序,减少了二次装夹对加工精度的影响。双摆头的夹紧定位精度直接影响机床铣削的加工精度。介绍一种用在双摆头中的液压夹紧套制动机构,该机构具有定心精度高、夹紧力大、夹紧刚度高、结构紧凑、安全可靠等优点,实际应用效果很好。The milling head with double rotary-swivel axes is the core of functional parts for five-axis machining center,by which most of or all of processing can be finished at one fixing.The machining error due to workpiece-fixing once again would be avoided.The machining accuracy of milling process is directly influenced by the fixing-positioning accuracy of the milling head with double rotary-swivel axes.A hydro-clamping sleeve brake mechanism using in the milling head with double rotary-swivel axes was introduced.The mechanism has merits of high centering accuracy,big clamping force,high stiffness,size-compactness and admirable reliability.The practical use effect is very good.

关 键 词：液压夹紧套 双摆头 力矩电机 

分 类 号：TN409[电子电信—微电子学与固体电子学]