The rudder device keyway to hole keyway , Hole of the conical hole, Not run through the holes, Moreover structure of two key connection , Large size , High precision machining.
舵装置的键槽是内孔键槽，孔为锥孔、盲孔，而且采用双键联接结构，尺寸大，加工精度较高。
Using the principle of "ore deposit is controlled by structure" and through combining of trench with hole, the new geological reserves of ore are detected that prolongs the service life of mine.
前言：利用构造控矿原理，采用坑钻相结合的方式，探明新增地质储量，延长矿山服务年限。
The structure of the simplest form of shaft and bearing caps in the through-hole gap between the left radius of about 0.1 ~ 0.3mm gaps.
最简单的结构形式是在轴和轴承盖的通孔之间留出半径间隙约为0.1~0.3mm的隙缝。
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