It is very difficult to grind tapered bore in a large diameter gear without dedicated equipment.
由于没有专用设备，大直径齿轮锥孔磨削非常困难。
Align adapter bushing or gear operator (3) bore with valve stem (5).
用阀门的阀杆(5)对准适配器衬套或持论操作机构(3)镗孔。
The axles run in two-row self aligning ball bearings on the gear side, and a standard sealed ball race on the other end in the sprung axle box, both 12mm bore.
两轴运行的排调心方对球轴承齿轮，和一个标准就在轴箱弹簧的另一端密封球的比赛，两个12毫米口径。
It is difficult to grind bore on gear and secure its precision. Especially more linkage gear's precision can not be secured easily, so it maybe become a waste product because of serration error.
磨削加工多联齿轮内孔在工艺上有一定难度，磨孔后易使齿面误差超差造成废品。
The introduction is the strong and straight cone the wheel gear pare away to process the inside, whetting center the bore, whetting the inside bore in the strong wheel gear.
介绍在硬齿面直齿锥齿轮刮削加工中研中心孔磨内孔的技术要求；机床调整，切削速度，刮削量及次数的选择。
The introduction is the strong and straight cone the wheel gear pare away to process the inside, whetting center the bore, whetting the inside bore in the strong wheel gear.
介绍在硬齿面直齿锥齿轮刮削加工中研中心孔磨内孔的技术要求；机床调整，切削速度，刮削量及次数的选择。
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