This paper introduces gear wheel drill speed system which composed of Siemens PLC and Siemens inverter.
介绍了由西门子P LC和变频器组成的牙轮钻机的调速系统。
As the wheel is an important part of the diamond drill, how to design a high reliability of the wheel life and work of diamond drill bit bearings is the purpose of this article.
作为轮式金刚石钻头的一个重要部分，如何设计出具有较高使用寿命和工作可靠性的轮式金刚石钻头轴承是本文的目的。
Wheel is a new diamond drill bit for oil drilling tools, drill bit bearing life with their life impact of crucial importance.
轮式金刚石钻头是一种新型的石油钻探工具，钻头轴承的寿命对其使用寿命有着致关重要的影响。
Diamond drill with drill-axis grinding wheel spindle sander with a rubber wheel Polishing brushes and other tools, and the torque needed to adapt to the task.
适用于金刚石钻头与钻轴砂轮、橡胶抛光轮刷等需提供扭矩的耗材。
The paper uses the method of value engineering project appraisement to compare corkscrew groove-wheel wheat precision drill and wheat pneumatic precision drill.
利用价值工程方案评价的方法，对螺旋槽轮式小麦精量播种机和气吸式小麦精量播种机进行方案评价比较。
Compared the number of cone bit bearing capacity and concluded: diamond wheel bearing life is far greater than the cone drill bit bearings.
对比了牙轮钻头的轴承能力数，得出结论：轮式金刚石钻头轴承寿命远远大于牙轮钻头轴承。
Turn on the drill press and observe the wheel.
记者打开演习和观察车轮。
The tools introduced include drill, millstones, reamer, grinding head, grinding wheel, grinding shaft.
主要介绍的工具有：钻咀(头)、磨盘、铰刀、磨头、磨轮、磨轴。
The tools introduced include drill, millstones, reamer, grinding head, grinding wheel, grinding shaft.
主要介绍的工具有：钻咀(头)、磨盘、铰刀、磨头、磨轮、磨轴。
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