1) Pieccer plug design
穿孔顶头设计
2) piercing plug
穿孔顶头
1.
The piercing plug is one of the most important tools used for the seamless steel tube production.
穿孔顶头是无缝钢管生产中最重要的模具之一,文章通过分析穿孔机顶头的失效形式,并从顶头外形、材质、表面氧化等方面探索提高顶头使用寿命的方法。
2.
The microstructure and hardness of piercing plug made of 20CrNi3MoW steel were studied.
对20CrNi3MoW钢穿孔顶头的显微组织和硬度变化进行了研究。
3.
This review focuses on various aspects of piercing plug surface oxide film,including formation,compose,property,effect,transformation in the piercing course and the influence of plug's life.
概述了穿孔顶头表面氧化膜的形成、结构、性质、作用,在穿孔过程中的变化及其对顶头使用寿命的影响。
3) hot piercer point
热穿孔顶头
1.
The failure mechanism and service sttaus quo of hot piercer point in seamless steel tube were analyzed and its failure was mainly caused by piercer point collapsing nose, sticking steel and cracking.
对穿无缝钢管热穿孔顶头的失效机制和使用状况进行了分析研究,认为穿孔顶头的失效形式主要表现为顶头塌鼻、粘钢、开裂。
4) New type piercing plug
新型穿孔顶头
5) Water-cooled piercing plug
水冷穿孔顶头
6) Bainite steel-made piercing plug
贝氏体钢穿孔顶头
补充资料：顶头钱
1.指后任官吏代偿的前任所欠款项。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条