从国外进口的测长机,由于使用时间较长及各方面因素的影响,引起双刻线分划板脱胶,使像质降低,严重地影响使用。检修人员遇到上述情况,由于没有配件,可采用“保守疗法”。万不得已才把双刻线玻璃从其座里取下来,把刻线玻璃与保护玻璃分开,去掉原来的胶层,重新胶合。这样的修复工艺,很可能出现两种情况:一是双刻线玻璃不易从金属座里拆下来。因为结合面锈死,压紧环打不开,这时硬要将玻璃板从其座里拆下来,就只有用锯子小心地把金属座锯开,然后重新加工一个座,这样做很费事。二是双刻线 Length measuring machine imported from abroad, due to the use of a long time and the impact of various factors, causing double-reticle Reticle degumming, the image quality to reduce, seriously affecting the use. Maintenance personnel encountered the above situation, because there is no accessories, can be used “conservative treatment.” A last resort before removing the double-scribed glass from its seat, separate the engraved glass from the protective glass, remove the original glue and re-glue. This repair process, there may be two situations: First, double-line glass is not easy to remove from the metal seat. Because the joint surface rusting, the pressure ring can not open, then hard to remove the glass plate from its seat, it is only with a saw to carefully saw the metal seat, and then re-machining a seat, this is very troublesome. The second is double engraved line