该精密划线器是一种在平直的和圆形的金属或非金属表面上划出公差要求严的细线的新装置,这种划线器与工具显微镜配合使用,能划出线条精度高的笔直平行线(见图) 该装置靠一块装配板用螺钉拧紧,并夹持在工具显微镜目镜的支架上,不需要移动工具显微镜,只需手动调节划线器,使其针尖与目镜上的垂直十字线重合。划线时,先将划针降到待划工件表面上的适当位置。靠测微器控制的显微镜滑动工作台的移动使划针作横向移动,与此同时按予先要求在工件上划线,结果划出的线与目镜的垂直十字中心线重合。通过调整与划针相连的杆臂上的弹簧张力,可以控划线的深度和宽度。划针的材料可采用钢、硬质合金和金刚石等。通过调节显微镜的定位块和微调螺钉,使滑动工作台作水平移动,从而划出的平行线保持在严格的公差范围内。利用滑动工作台的方位环,也可划出各种精确 The precision scriber is a straight and round metal or non-metallic surface to draw the strict tolerance of the thin line of the new device, the scriber used in conjunction with the tool microscope, can draw the line accuracy High Straight Parallel Lines (See Figure) The unit is screwed on an assembly plate and clamped on the holder of the tool microscope eyepiece without the need to move the tool microscope, simply by manually adjusting the scriber so that its tip and eyepiece The vertical crosshairs coincide. Marking, the first needle down to be placed on the surface of the workpiece in the appropriate location. The movement of the microscope slide table by the micrometer controls the horizontal movement of the scriber and at the same time marks the workpiece as required. As a result, the drawn line coincides with the vertical cross center line of the eyepiece. The depth and width of the line can be controlled by adjusting the spring tension on the lever arm connected to the needle. Planar needle material can be used steel, carbide and diamond. By adjusting the microscope positioning block and fine-tuning screws, the sliding table for horizontal movement, which draw parallel lines remain within strict tolerances. The use of sliding table azimuth ring, but also draw a variety of precision