在块规修理中不采用凸平板(即平板不用灯泡加温、研成凸心、螺丝顶凸等办法),而利用图示的卡子,一般可使平面性掌握在小于0.1微米范围内. Ⅰ型卡子的制作,可用501胶将两块小胶皮粘贴在有机玻璃上,小胶皮可用乳胶指套裁制.按照块规外型尺寸,卡子内框可作成长30和35毫米两种,用来研磨7至25毫米的块规.使用时,将粘贴 In the block repair does not use the convex plate (that is, flat without bulb heating, research into convex heart, screw top convex approach), and the use of the clip shown, generally can make flatness control in the less than 0.1 micron range. Type clip production, available 501 plastic will be two small rubber paste on the plexiglass, small rubber latex finger cot can be tailored.According to the block size, the clip inner frame can be made for both 30 and 35 mm, used to Grind blocks from 7 to 25 mm. Paste when used