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目前,国内各兄弟厂在抛光第二屋脊面上胶工艺上均采用二次光胶的方法,即组合光胶法。这种方法虽能保证较高精度,但难度大,操作不方便,费时、费料经济效益低。为此,我厂在加工单反相机上用的屋脊五棱镜时,经过反复试验,试制成功了一次光胶与石膏上盘相结合的加工屋脊面的新工艺。经实践证明,这种新工艺不仅能保证必要的精度,而且具有加工方便、省时、省料、经济效益高等优点。
At present, the domestic brothers plant polishing the second roof ridge on the glue process are used secondary light glue method, that is, a combination of light glue method. Although this method can guarantee higher accuracy, but difficult, inconvenient to operate, time-consuming, low cost of materials expected. To this end, I plant processing pentaprism on the roof pentaprism, after repeated tests, a successful trial of a light plastic and gypsum on the plate combination of the processing of ridge roof of the new technology. Proved by practice, this new technology can not only ensure the necessary accuracy, but also has the advantages of convenient processing, time saving, material saving and high economic benefits.