一种新型的钢球增力液压夹具  

A new kind of hydraulic fixture combined with steel-ball amplifier

作　　者：苏东宁[1] 钟康民[1] 

机构地区：[1]济南大学,山东济南250000

出　　处：《机械》2003年第4期66-67,71,共3页Machinery

摘　　要：介绍了一种新型的钢球增力液 (气 )夹具 ,推出了其理论增力系数和实际增力系数的计算公式 。This paper introduces a new kind of hydraulic fixture combined with steel-ball amplifier, gives the formulas of ideal force increasing ratio and actual force increasing ratio. The comparison in performance characteristics with other two kinds of hydraulic fixtures combined with steel-ball amplifier was also shown.

关 键 词：液压夹具 对称 钢球增力机构 无杆液压缸 增力系数 压力角 摩擦损失 

分 类 号：TG757[金属学及工艺—刀具与模具]