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37米高精度花岗石导轨主要用于国防系统,计量行业的大尺寸及相关测试系统的传递与检测。它是采用天然花岗石作为原材料,在恒温(20±0.5℃)、防震、相对湿度62％～65％条件下,经机械粗加工、精加工制成的。 该导轨由基座和气浮面两部分组成,全长共分九段,4m长的花岗石8段,5m长的一段。其主要技术指标:导轨对接后各气浮面的直线度误差在全长范围内不大于0.2mm,其中任1m内(包括接缝处)的直线度误差不大于
37-meter high-precision granite rail is mainly used for defense systems, measurement of large-size industry-related test systems and the transmission and testing. It is made of natural granite as raw material, which is made by mechanical roughing and finishing under the condition of constant temperature (20 ± 0.5 ℃), shockproof and relative humidity of 62% ~ 65%. The guide rail consists of a base and a floating surface. The total length is divided into nine sections, eight sections of 4m long granite and a section of 5m long. The main technical indicators: After the guide rail docking gas floating surface straightness error in the full-length range of not more than 0.2mm, which any 1m (including the seam) straightness error is not greater than