锥形管是指以无缝钢管为原材料通过专用设备、工艺来设计、制作的锥形无缝管材。无缝锥形钢管是船舶管路系统中不同管径管路之间的过滤原件，主要材质以碳钢为主，也可为不锈钢、合金钢。
英霍夫锥形管 Imhoff cone
美制锥形管螺纹用丝攻 NPTF
锥形管螺纹 taper pipe thread
锥形管柱式旋转流量计 tapered tube rotameter
锥形管状纸 cone paper
英霍夫式锥形管 [建] Imhoff Cone
锥形管子纱 cone
锥形管嘴 Nozzle conical
英霍夫锥形管形式 IMHOFF CONE
锥形管螺纹量规 Gauges for taper pipe threads
采用冷挤压成形工艺方法，能生产出各种尺寸、规格的深圆锥形管件。
In this paper, we study the technique of cold extruding forming, and produced all kinds of the long conical pipe in that way.
采用冷挤压成形工艺方法，能生产出各种尺寸、规格的深圆锥形管件。
Cold working strain phosphating includes drawbench phosphating, cold extrusion phosphating and cold stamping phosphating.
针对带孔深锥形管件的成形特点进行了工艺分析，确定了成形方案，设计了锥形管挤压模和冲孔模。
The extrusion and piercing die was developed based on the technical analysis on the shaping characteristics of deep taper pipe with hole.
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