1·Effects of different anti-oxidants on the anti-oxidation properties of MgO-C tapping hole of a converter are studied.
研究不同抗氧化剂搭配对镁碳质转炉出钢口管砖抗氧化性能的影响。
2·The main low life causes of tapping hole are found after analyzing damaged mechanism of tapping hole of 30t converter.
分析30t转炉出钢口损毁机理，找出寿命低的主要原因。
3·Use this product to plug up the steel-tapping hole in making steel, which will automatically fall off when dump the molten steel.
炼钢过程中用该产品堵住出钢口，倾倒钢液时自动脱落。
4·It has the advantages of corrosion resistance, erosion resistance and high temperature resistance. It can increase the life of tapping hole.
具有附着率高、高温耐侵蚀性能好、提高炉龄的特点。
5·The wear mechanism and production process of monolithic magnesia-carbon tapping hole were presented, and the process factors affecting the quality of the tapping hole were analyzed and optimized.
介绍了镁炭质整体出钢口的损毁机理及生产工艺过程，对影响整体出钢口质量的工艺因素进行了分析和优化。
6·Conductive thread of a hole without cutting tapping new technology to solve the past conductive thread easily slip teeth of the defects.
导电件螺纹孔采用无切削攻丝新工艺，解决了已往导电件螺纹容易滑牙的缺陷。
7·Tapping is the process of cutting a thread inside a hole so that a cap screw or bolt may be threaded into it.
攻丝是在一个孔中车出螺纹，以便装上有帽螺钉或螺栓。
8·It is mainly be used for drilling, reaming, the cutter hole , tapping and so on.
主要用来进行钻孔、扩孔、工科论文绞孔、攻丝等。
9·A section bar of a self tapping screw for saving drilling hole is provided with high-tightening force, which belongs to the design preparation technical field of the section bar.
可免钻孔上自攻螺丝并具有高紧固力的型材，属型材的设计制造技术领域。