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我厂设计了一种简易四瓣梅花顶尖(如图所示)。内锥齿形是通过与顶尖轴线垂直方向铣两个交叉的斜槽而成。顶尖经热处理后先磨锥尾,然后装入带锥孔的对称磨胎内,用成形砂轮(或单斜面砂轮)在平面磨床上磨出顶尖槽。
My factory designed a simple four-valve plum top (as shown). The inner bevel is formed by milling two intersecting chutes perpendicular to the top axis. The top after the heat treatment cone taper, and then into the symmetrical cone with tapered bore, with the forming wheel (or single bevel grinding wheel) grind out the top groove on the surface grinder.