为确保高速，采用陶瓷滚珠轴承与主轴斜向接触。
Spindle support on ceramic balls bearings at oblique contact for high speed.
主轴以滚珠轴承安装在喷粉机的机壳中心。
The principal axis is installed at the machine shell center of the duster by use of the ball bearing.
辊环将被固定在主轴上，主柱由滚珠轴承带动。该构造能提供最强的刚性。
The rolls to be ground are fixed in a main shaft running on ball takeings, designed to offer the maximum rigidity.
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