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采用测量架和自制水平仪测量大跨距双床身导轨等高、平行、跨距等精度的技术,并进行了测量方法及测量不确定度分析、对比试验和实践验证,证明了该技术的实用性和优越性。该技术适用于大型数控动龙门镗铣床的两床身导轨水平面内精度的测量及机床的安装调试工作,为该类型机床的精度保证提供了一种实用可行的工艺解决方案。
The technology of measuring the height, parallelism and span accuracy of the guide rails of double-bed with large span and self-made level gauges by using the measuring frame and self-made level gauges, and the measurement methods and the measurement uncertainty analysis, comparison tests and practical verification prove that the technique is practical Sex and superiority. This technology is suitable for the measurement of the precision of horizontal plane of two bed rails and the installation and debugging work of the machine tool for the large CNC moving gantry boring and milling machine, which provides a practical and feasible process solution for the accuracy assurance of this type of machine tool.