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在大搞技术革新中,我厂李兆华同志大胆革新,创造了一种切割砂轮用的新工具。采用这种新工具后,砂轮的切割可以在车床上进行(如图1)。被切割的砂轮4紧固在心棒3上,而心棒夹紧在车床卡盘5内,工具1紧固在刀架2中。在切割时,主轴转速为700转/分左右,切割用量不宜过大,以防砂轮碎裂。这种新工具的结构如图2所示。活动顶尖1(标准3号莫式顶尖或不
In vigorously promoting technological innovation, Comrade Li Zhaohua bold innovation of our factory, has created a new tool for cutting wheel. With this new tool, the cutting of the grinding wheel can be carried out on a lathe (Figure 1). The cut grinding wheel 4 is fastened on the mandrel 3, while the mandrel is clamped in the lathe chuck 5 and the tool 1 is fastened in the holder 2. In cutting, the spindle speed of 700 rev / min or so, cutting the amount should not be too large, to prevent the wheel fragmentation. The structure of this new tool is shown in Figure 2. Activity Top 1 (Standard No. 3 Moto top or not