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获得较高精度平面的常用方法是平面磨削。想得到更高精度的平面,则需要人工刮削、研磨或超精磨削。前两种方法效率较低,劳动强度大;后者对机床、砂轮等各种条件要求很高,一般工厂难以实现。因而使用普通平面磨床实现更高精度的平面磨削就具有很大的实用价值。“点磨法”正是一种劳动强度比手工刮削与研磨小、设备要求比超精磨低的一种新颖磨削方法。它在不改变磨削主要条件的情况下,可提高磨削的平面度和平行度1～2级,为中
The common method of obtaining a plane of higher precision is plane grinding. Want to get a higher precision plane, you need to manually scraping, grinding or finishing. The first two methods are less efficient and labor-intensive; the latter requires a lot of conditions, such as machine tools and grinding wheels, and is generally difficult to achieve in factories. Therefore, the use of ordinary surface grinder to achieve more accurate surface grinding has great practical value. The “point grinding method” is a novel grinding method that has a lower labor intensity than manual scraping and grinding, and requires less equipment than ultra-precision grinding. It does not change the main conditions of grinding, grinding can improve the flatness and parallelism of 1 to 2, as in