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在内圆磨床上,装置自动罩住从磨制另件中退出的砂轮防护罩(看图)。防护罩的机构是装在磨床的纵拖板上。当脚轮6碰到被固定在机床上的斜块7,脚轮沿斜块的斜面移动,举起上面的滑桿5,滑桿转动齿轮4。轴3在转动器的方向和齿轮同时转动。当轴转动时,槓桿2倾斜到水平位置。此时工人离开纵拖板,防护罩1罩住从工件麽孔中退出的磨轮。采用自动防护罩,可帮助提高劳动生产率;因为工人不需耽心旋转的砂轮,进行另件的安装、测量、和摄影。
On the internal grinder, the unit automatically covers the wheel guard that is removed from the ground part (view). Protective cover mechanism is mounted on the longitudinal drag on the grinder. When the caster 6 hits the inclined block 7 fixed on the machine tool, the caster moves along the inclined surface of the inclined block, lifts the upper sliding rod 5, and the sliding rod rotates the gear 4. Shaft 3 rotates simultaneously with the gear in the direction of the rotor. Lever 2 is tilted to a horizontal position as the shaft rotates. At this point the worker leaves the vertical carriage and shield 1 covers the wheel that exits the hole in the workpiece. The use of self-shielding guns helps to increase labor productivity; workers do not have to worry about rotating grinding wheels for installation, measurement, and photography of other parts.