大型结构件数控加工在位计量检测技术研究
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摘要
在位计量检测以加工机床为硬件载体,实现加工、测量一体化,对提高产品质量和生产效率有重要意义。介绍了数控加工在位计量检测系统的组成与方案的实现过程,对系统的性能进行了现场试验,结果表明大型结构件数控加工在位计量检测系统可对大型数控加工零件工艺过程中的尺寸和形位误差进行准确在位测量,大大缩短了大型数控加工件的定位时间,有效提高了一次装夹加工的效率和合格率,避免了工件的二次装夹,降低了生产成本,为数字化装配提供有力保证。
On-machine measurement and testing takes machine tool as hardware carrier to realize the integration of processing and measurement,which is of great significance to improve product quality and production efficiency.This paper introduces the composition and implementation process of the in-situ measurement and testing system for NC machining,and tests the performance of the system.The results show that the in-situ measurement and testing system can realize the size and position error measurements in the process of large NC machining parts.Position measurement ability greatly shortens the positioning time of large NC parts,effectively improves the efficiency and qualified rate of one-time clamping,avoids the second clamping of workpieces,reduces the production cost and provides a strong guarantee for digital assembly.
On-machine measurement and testing takes machine tool as hardware carrier to realize the integration of processing and measurement,which is of great significance to improve product quality and production efficiency.This paper introduces the composition and implementation process of the in-situ measurement and testing system for NC machining,and tests the performance of the system.The results show that the in-situ measurement and testing system can realize the size and position error measurements in the process of large NC machining parts.Position measurement ability greatly shortens the positioning time of large NC parts,effectively improves the efficiency and qualified rate of one-time clamping,avoids the second clamping of workpieces,reduces the production cost and provides a strong guarantee for digital assembly.
引文
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[2]白月飞,高青松,金伟,等.浅谈三坐标测量机及其应用[J].现代制造技术与装备,2009,25(6):29-31.
[3]李昆,王瑞涛,何学军.光栅数显装置的优化设计与实现[J].电子设计工程,2015,23(11):90-93.
[4]赵英剑,王建利,马新辉,等.三坐标测量机智能技术[J].计量学报,2001,22(3):164-167.
[5]张秀珍,晋其纯.机械加工质量控制与检测[M].北京:北京大学出版社,2008.
[6]夏为.三坐标测量机与CAD系统间数据接口的方法研究[J].上海汽车,2002(10):19-21.
[7]李昆,何小妹,唐志锋,等.基于PXIe总线的位移控制系统现场校准系统研究[J].自动化与仪器仪表,2017(11):135-137.
[8]马其华,张春燕,任洪娟.三坐标测量系统在某白车身测量中的应用研究[J].机械设计与制造,2010(6):79-80.
[9]西安爱德华测量设备有限公司.三坐标测量仪使用说明书[Z].
[10]龚玉玲.基于准CAD模型的CMM自动测量技术研究[D].江苏:江南大学,2008.
[11]何章毅.智能化三坐标测量机软件关键技术研究[D].哈尔滨:哈尔滨工业大学,2006.
[12]解林中.三坐标测量机CMM通用子程序的编辑及其应用[J].计量技术,2003(3):26-28.
[13]ISO 15530-2011产品几何量技术规范(GPS)坐标测量机(CMM):确定测量不确定度技术第3部分:检定工件或标准的使用[S].2011.