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我厂生产照相机,其中有许多尺寸小、形状复杂的零件。检验时,先把零件在投影仪上放大10～50倍,然后用刻在普通玻璃板上且放大同样倍数的图形来检测零件的尺寸和形状精度。由于本厂没有专用特殊形状曲线的刻线设备,故就在数控线切割机上进行玻璃板的刻线,经过腐蚀处理,即得到永久性的刻线板(如用其他方法刻制曲线,其腐蚀处理方法仍可作借鉴)。具体步骤如下: 1.准备弹性刻线刀其结构如图1所示,它由本体、刀头、刀套和弹簧等组成。使用时,用夹头把本体紧固在线切割机床线架的下臂一侧,刀套可上下移动,使刀头与玻璃接触良好。把刀套调整到适当位置
I plant the production of cameras, including many small size, complex shape parts. Inspection, the first part of the projector magnified 10 to 50 times, and then engraved on the ordinary glass and enlarge the same multiple graphics to detect parts size and shape accuracy. Because the factory does not have special shape curve engraving equipment, so on the CNC wire cutting machine for engraving glass, after corrosion treatment, that is permanent engraved plate (such as using other methods of engraving the curve, the corrosion Processing methods can still be used for reference). Specific steps are as follows: 1. Prepare flexible scoring knife its structure shown in Figure 1, which consists of body, cutter head, knife cover and spring and other components. When in use, the body is fastened on the lower arm side of the wire cutting machine wire frame by the collet, the knife sleeve can be moved up and down so that the blade head and the glass are in good contact. Adjust the knife holder to the proper position