双列滚子轴承调整垫的改进在机床主轴结构中，常采用圆柱滚子轴承作前支承轴承（外环可分离式）。这种轴承具有很多优点：如轴承内环有１：１２的锥孔与主轴轴颈相配合，通过调整螺母使内环收紧涨大，消除间隙；施加预紧力，可获得较高的工作精度等。但这种轴承如果调整垫... Double row roller bearing adjustment pad improvements In the spindle structure of the machine tool, cylindrical roller bearings are often used as the front bearing (outer ring separable). This bearing has many advantages: If the bearing inner ring with a 1:12 tapered bore and spindle journals match, by adjusting the nut to tighten the inner ring up, eliminating the gap; pre-tightening force, get a higher job Accuracy and so on. But if this kind of bearing adjustment pad ...