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捷克万能外圆磨床BUA31,是一种性能较好的机床,原砂轮架主轴轴承采用动压螺旋式弹性轴承,磨削光洁度可达10,在我厂使用已二十年,目前由于轴承的磨损和多次调整,已无调整量了,轴承已损坏,使磨削光洁度仅达8。这次机床大修时,(要求提高砂轮轴的旋转精度和使用寿命,满足在该机床上进行粗,精加工。)由于此动压轴承制造极其困难,我们在广州机床研究所静压室帮助下,将原动压轴承改为径向小孔节流或腔内回油静压轴承,轴向采用止
Czech Universal Cylindrical Grinder BUA31, is a better performance of the machine tool, the original grinding wheel spindle bearing dynamic pressure spiral elastic bearings, grinding finish up to 10, in our plant has been used for two decades, the current wear and tear of the bearing And multiple adjustments, no adjustment has been made, the bearings have been damaged, so that grinding finish only 8. The machine overhaul, (asked to improve the grinding wheel shaft rotation accuracy and service life, to meet the rough in the machine, finishing.) Because of this extremely dynamic pressure bearing manufacturing, we are in Guangzhou Institute of Machine Tool Pneumatic help room , The original dynamic pressure bearing into a small hole radial flow or cavity back to the hydrostatic bearings, axial only