动力刀架设计及载荷研究  

Driven Turret Design and Loads Analysis

作　　者：赵尚福[1] 郭智春[1] ZHAO Shang-fu;GUO Zhi-chun(NC Turret Branch,Shenyang Machine Tool Co.,Ltd.,Shenyang 110142,China)

机构地区：[1]沈阳机床股份有限公司数控刀架分公司,沈阳110142

出　　处：《组合机床与自动化加工技术》2018年第12期112-114,共3页Modular Machine Tool & Automatic Manufacturing Technique

基　　金：国家科技重大专项"千台国产数控车床可靠性提升工程"(2013ZX04011-011)

摘　　要：分析了动力刀架的工况及载荷,给出动力刀架进行钻孔、攻丝、铣键槽时的扭矩和功率计算公式。采用锥齿轮机构和同步带机构设计了动力刀架的传动机构,利用轴承和弹簧设计了驱动模块的支撑结构。研究了动力刀架驱动接口的受力、进行了支撑轴和驱动轴的受力分析,并推导计算公式。制造了样机,利用推导的公式计算样机的实际加工能力,为产品系列化设计及工程选型提供依据。Working condition and characters of loads of driven turret are analyzed.Formulas of drilling,tapping,slot milling torques and powers calculations are proposed.Bevel gears mechanism and timing belt mechanism are used to design driven turret transmission system,springs and bearings are used to design driven module shafts supporting structure.Forces of driving interface,supporting shaft and driving shaft are analyzed,calculation formulas are derived.Prototype is produced;machining capacities are calculated by derived formulas.Instance will be benefit for driven turret serialization and lathe component engineering selection.

关 键 词：伺服刀架 切削力 轴 

分 类 号：TH122[机械工程—机械设计及理论] TG502[金属学及工艺—金属切削加工及机床]