摘要
针对高精度数控机床结构设计中存在的刚性不足、热变形显著和动态性能欠佳等问题,提出一种融合拓扑优化、参数优化、主被动阻尼和热误差补偿的创新性综合优化设计方案.对比分析优化前后高精度数控机床的性能,结果表明该方案能够显著提高机床的静动态刚度、固有振动特性和热稳定性,在高速铝合金切削试验中表现出优异的综合性能,为实现高精度、高效加工奠定了坚实的基础.
Abstract
Aiming at the problems such as insufficient rigidity,significant thermal deformation and poor dynamic performance in the structural design of high-precision computer numerical control machine tools,an innovative comprehensive optimization design scheme was proposed,which integrated topology optimization,parameter optimization,active and passive damping and thermal error compensation.The performance of high-precision computer numerical control machine tool before and after optimization is compared and analyzed,the results show that the scheme can significantly improve the static and dynamic stiffness,natural vibration characteristics and thermal stability of the machine tool,and show excellent comprehensive performance in the high-speed aluminum alloy cutting test,which lays a solid foundation for the realization of high precision and high efficiency machining.
NETL
NSTL
维普
万方数据