分析了定径过程中钢管内金属流动和弹复行为。
Stress and metal flow in steel tube during sizing process were analyzed.
真空定径冷却，确保产品的精确圆度，壁厚均匀。
Vacuum calibration tank can be assures the accurate round and even capacity.
该定径机可为钢管企业的技术改造提供设备选型参考。
The mill is worth using as reference for technical upgrades of relevant tube makers.
介绍了连铸中间包定径水口快速更换与中间包长寿技术。
Technologies of rapid replacement of sizing nozzle and longevity of continuous casting tundish were presented.
重点介绍了三辊可调式减定径机机芯部分工作原理及应用。
This paper introduces the working principles and application of the module of the adjustable three-roller rolling mill.
生产线由18架轧机、8道次无扭线材轧机和4道次定径机组成。
The mill, consists of a 18-stands mill, 8-pass non- twisted block mill and a 4-pass sizing mill.
对生产钢丝绳用压线瓦、后变形器及定径装置在使用中存在的问题进行分析。
The problems existing in stranding die, post-deformation device and sizing apparatus in producing wire rope are analyzed.
生产实践表明，采用优化后的定径工艺参数，钢管的椭圆度减小，外径精度提高。
Relevant operation practice has proven that with the optimalized sizing process parameters, steel tubes sized by the said mill possess decreased ovality and higher O. D. accuracy.
退火后线径变细：铜线在硬态时，出口模就是定径模，张力大小不至于把线径拉丝。
When annealed wire diameter necking: copper wire in hard state, export module is sizing die, tension size not the wire diameter wire drawing.
对采用负压定径技术生产大管径聚乙烯管的挤出成型工艺及其主要设备进行了研究。
The extrusion molding process and main equipment for producing PE large diameter pipe with negative pressure sizing technology are studied.
在暂不具备在线热定径设备情况下，采用空余机架布置定径孔型可生产高精度圆钢。
The practical production show that the high size precision round bar can be rolled by arranging the sizing passes on remained stands without on-line hot sizing mill.
针对双文氏管湿法除尘系统一级文氏管喉口存在的问题，开发设计了矩形定径式喉口。
Based on the problems existed in Venturi tube throat of double Venturi tube wet cleaning system, the rectangle sizing throat is developed and designed.
该生产线挤出机采用PB料特制螺杆及挤出模具，专用进料料斗，专用真空定径装置。
The extruder of the line adopts special screw and extruding mold made by PB material, special charging hopper and vacuum sizing equipment.
在成型和定径时运用成组技术，可用一套开口孔型辊、定径辊生产一组外径相近的焊管。
With the grouping technique it is allowed to produce a group of tube sizes with similar O.
通过严格控制原料的夹杂物级别和优化焊接、定径工艺可以有效地消除焊缝横向裂纹的产生。
It is efficient to eliminate the occurrence of transverse crack on weld by means of optimizing welding, sizing process and strictly control to inclusions class of raw material.
开发了非调钢组织演变子程序，研究了非调钢在减定径机组轧制过程中组织性能的变化规律。
Subroutines of non-quenched steel microstructure evolution are exploited, and structure property variable regular of non-quenched steel during RSM process is exploited.
设计的钢管定径后分流和挡料座式活动气动挡料器，可根据钢管规格调整挡料时所产生的缓冲力。
The moveable pedestal-type stopper used for pipe seperating and stopping after sizing has the function of adjusting cushioning force according to pipe sizes.
文章介绍了定径机机架的加工工艺及采用加工中心机床和常规百分表相结合对机架进行检测的方法。
The paper introduces the processing technology of the rack of the Sizing Mill and the testing method by center machine tool and normal dial-indicator.
特殊设计的真空定径箱，可以确保稳定的直径尺寸和圆整度，使用速度控制系统，使牵引速度稳定。
Special design vacuum sizing tank can ensure the stability of size and roundness, Speed controllers are used in extruder, haul-off to offer stability and precision.
采用特殊设计的冷却和定径系统，使用水循环冷却HDPE (PP,ABS)原料，适合以上原料的冷却。
Special design for sizing and cooling system by using film and water ring to cool HDPE (PP, ABS) material, which can fit for the requirement of HDPE (PP, ABS).
PS P型钢定径轧制工艺，SCC(机芯概念)机架，轧机准备区，以及最近安装的设备和最新的轧机订单等。
It involves PSP profile sizing process, SCC (stand core concept) stands, stand preparation area, and latest installations and new orders and so on.
主要由丝爪、螺母、卡盘、定径板组成，丝爪镶嵌在卡盘内，螺母装 在卡盘上，带有弧度的定径板通过螺栓和丝爪相联。
The screw claw is embedded in the chuck. The nut is equipped on the chunk. The sizing board with an arc is connected with the screw claw by a bolt.
就穿孔工艺、连轧管工艺及定减径工艺等方面的问题提出了商榷意见。
Some Suggestions on piercing processes, continuous rolling processes and sizing or sinking processes are offered.
简介了钢管定减径时内多边形缺陷产生的原因及其一般的控制方法。
Causes responsible for bore polygonning of steel tube which appears as a defect during sizing and reducing are analyzed and common-used control methods therefor described.
此外，有部分用户还随意水泵进、出管的管径，这些对扬程也有一定的影响。
In addition, some users can pump into the pipe diameter, which head will have an appreciable effect.
高径比（H/D）较大的塔在风载荷的作用下，在塔顶处会引起一定的静挠度。
There appears some flexibility at the top of tower with high ratio of height to diameter (H/D), caused by wind load.
指出主胰管宽径有随年龄增长而增宽的趋势，并在男、女性别间有一定差异性。
The diameter of the main pancreatic duct is increased with the age. There is a significant difference.
文中还分析了在摩擦阻力系数一定的情况下，流量与管径的制约关系。
The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed.
文中还分析了在摩擦阻力系数一定的情况下，流量与管径的制约关系。
The conditionality between the flow rate and the pipe diameter is discussed when the friction factor is fixed.
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