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1978年我厂在两台M2110型内圆磨床上改用自行设计制造的沟槽式动静压轴承磨头,效果很好。零件的加工光洁度从8提高到11;切削深度由0.005毫米提高到0.05毫米;消除了滚动轴承噪声大的缺点,改善了劳动条件;提高了加工精度,椭圆度由初期的0.002毫米提高到0.001毫米;轴承的使用寿命长,原用滚动轴承的使用寿命为三个月,换用沟槽式动静压轴承至今,仍保持原有精度。沟槽式动静压轴承没有油腔,结构简单。它既具备动压轴承和静压轴承
In 1978 I plant in the two M2110 internal grinder to use their own design and manufacture of groove-type dynamic and dynamic pressure bearing grinding head, the effect is very good. Parts machining finish increased from 8 to 11; depth of cut increased from 0.005 mm to 0.05 mm; eliminating the shortcomings of rolling bearing noise, improved working conditions; increased processing accuracy, ovality from the initial 0.002 mm to 0.001 mm; Bearing long service life, the original rolling bearing service life of three months, for the groove static and dynamic pressure bearing so far, still maintain the original accuracy. Groove hydrostatic bearing without oil chamber, the structure is simple. It has both hydrodynamic bearings and hydrostatic bearings