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德国斯来福临集团所属的SCHAUDT公司在’98上海国际金属加工展览会上展出了一台CR41—CBN数控曲轴磨床,该机采用连续轨迹方式磨削各类曲柄销。在一次装夹下,曲轴绕主轴颈中心旋转,高速且精密地完成所有曲柄销的加工。这样就能省去复杂的偏心夹具及多工序磨削,同时能保证更高的磨削精度,曲柄销的圆度≤2μm。该机床还可加工曲轴中部及轴向止推轴承。
SCHAUDT, a subsidiary of Schleifring Group of Germany, exhibited a CR41-CBN CNC crankshaft grinder at the ’98 Shanghai International Metalworking Exhibition. It grinds all kinds of crank pins in a continuous path. In a single fixture, the crankshaft rotates around the center of the journal, completing the machining of all crank pins at high speed and with precision. This eliminates the need for complicated eccentric jigs and multi-process grinding while guaranteeing higher grinding accuracy with roundness of the crankpin ≤ 2 μm. The machine can also process crankshaft central and axial thrust bearings.