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坡口
相关语句
  groove
    through the welding crack test of inclined Y groove,physical inspection of mechanical property of welded joint,etc,the steel plate quality and welding process were reviewed as well.
    通过斜Y坡口焊接裂纹试验、实物焊接接头的力学性能检验等方法,评价了钢板的质量和焊接工艺。
短句来源
  groove
    through the welding crack test of inclined Y groove,physical inspection of mechanical property of welded joint,etc,the steel plate quality and welding process were reviewed as well.
    通过斜Y坡口焊接裂纹试验、实物焊接接头的力学性能检验等方法,评价了钢板的质量和焊接工艺。
短句来源
  “坡口”译为未确定词的双语例句
    A Mathematical Model for the Changeable Angle of a Grooved Face in a Spiral Case′ Sectionalization
    水轮机蜗壳分节环形变角度焊接坡口面的数学模型
短句来源
    In order to cut at the equal angle of the welding grooved face of annular welding seam , a mathematical model is derived for numerical control of cutting devices.
    为了实现等角度环焊缝坡口面切割 ,就其推导出数控切割的数学模型
短句来源
    This paper analyzes the technologies for manufacturing and welding steel penstock of Jinshuihe hydropower station in Changdu area of Tibet Autonomous Region, and presents in detail the design and welding of longitudinal and annular seam grooves and also discusses various kinds of welding deformations and their corresponding technical measures for deformation control.
    分析了位于西藏昌都境内的金河水电站压力钢管用钢板现场焊接制作的工艺技术问题,详细介绍了钢管焊接制作的工艺过程,特别是纵向及环向焊缝的坡口设计及焊接,讨论了各种类型的焊接变形及相应的控制措施。
短句来源
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  groove
Based on MD simulation, nanometric-grinding mechanism is analyzed from the viewpoint of instantaneous distribution of atoms, grinding force, and the potential energy between atoms and the profile of the groove.
      
The good agreement in the profile of the groove between the experimental value and the simulating value shows that MD simulation is very effective and reliable, and successful to fulfill the investigation on nanometric machining mechanism.
      
A laser vision sensing based on the adaptive tungsten inert gas (TIG) welding system for large-scale aluminum alloy components was established to fit various weld groove conditions.
      
A new type of laser vision sensor was used to precisely measure the weld groove.
      
An adaptive welding process was realized by automatically adjusting the wire feeding speed and the welding current according to the groove conditions.
      
更多          
  groove
Based on MD simulation, nanometric-grinding mechanism is analyzed from the viewpoint of instantaneous distribution of atoms, grinding force, and the potential energy between atoms and the profile of the groove.
      
The good agreement in the profile of the groove between the experimental value and the simulating value shows that MD simulation is very effective and reliable, and successful to fulfill the investigation on nanometric machining mechanism.
      
A laser vision sensing based on the adaptive tungsten inert gas (TIG) welding system for large-scale aluminum alloy components was established to fit various weld groove conditions.
      
A new type of laser vision sensor was used to precisely measure the weld groove.
      
An adaptive welding process was realized by automatically adjusting the wire feeding speed and the welding current according to the groove conditions.
      
更多          


The material of the steel penstock of the Tianhu hydropower station is mainly 16 Mn steel, it's 1 m of inner diameter and 28~46mm of thickness. Each length of penstock made by factory is about 10m long. The pipe orifice is processed into U or V type of chamfer. The penstocks were carried to main work spots, assembled and welded which adopted a series of complicate techniques shch as pre—heat before welding, argon welding and sealing bottom by hand, are welding and back filling surface by hand, and heat treatment...

The material of the steel penstock of the Tianhu hydropower station is mainly 16 Mn steel, it's 1 m of inner diameter and 28~46mm of thickness. Each length of penstock made by factory is about 10m long. The pipe orifice is processed into U or V type of chamfer. The penstocks were carried to main work spots, assembled and welded which adopted a series of complicate techniques shch as pre—heat before welding, argon welding and sealing bottom by hand, are welding and back filling surface by hand, and heat treatment after welding. The techniques and quality of pipe orifice welding are one of the keys for installation of penstock.

天湖水电站压力钢管内径1m。壁厚28~46mm,钢材主要为16Mn钢,工厂制作每节长度约10m,环口加工为U,V型组合坡口,运至现场采用焊前预热,手工氩气弧焊封底与手工电弧焊填充盖面、焊后热处理的组合工艺组装焊接,环口焊接的工艺和质量是钢管安装工程的关键之一。

The fracture failure analysis was carried out on the two lengths of fractured and cracked welded 16Mn steel penstock used for hydroelectric power plant with reference to the chemical com-position and physical property of the standard steel plate of GB1591 - 88 for low alloy structural steel;the technique of thermal simulation for welding was adopted to evaluate the notch sensitivi-ty,impact toughness and thermal strain embrittlement tendency of the heat affected zone; through the welding crack test of inclined...

The fracture failure analysis was carried out on the two lengths of fractured and cracked welded 16Mn steel penstock used for hydroelectric power plant with reference to the chemical com-position and physical property of the standard steel plate of GB1591 - 88 for low alloy structural steel;the technique of thermal simulation for welding was adopted to evaluate the notch sensitivi-ty,impact toughness and thermal strain embrittlement tendency of the heat affected zone; through the welding crack test of inclined Y groove,physical inspection of mechanical property of welded joint,etc,the steel plate quality and welding process were reviewed as well.

对水电站16Mn钢焊接压力管道纵向断裂和开裂的两节管节进行了断裂失效分析,并按GB1591-88《低合金结构钢》标准复验钢板的化学成分和力学性能;采用焊接热模拟技术评价焊接热影响区的缺口敏感性、冲击韧性及热应变脆化倾向;通过斜Y坡口焊接裂纹试验、实物焊接接头的力学性能检验等方法,评价了钢板的质量和焊接工艺。

The turbine's runner of Ertan Hydro Station is a split structure. Its upper crown is grasped by 18 prestressed bolts in the field and then welded. The composite welding between the blade and the lower ring should be conducted in the field. The welding groove of lower ring is a large obtuse side and no gap H groove structure that is rarely used at home. Its welding needn't to take anti deformation measures. The parent material of runner is a maraging material and its welding bar also is maraging welding bar....

The turbine's runner of Ertan Hydro Station is a split structure. Its upper crown is grasped by 18 prestressed bolts in the field and then welded. The composite welding between the blade and the lower ring should be conducted in the field. The welding groove of lower ring is a large obtuse side and no gap H groove structure that is rarely used at home. Its welding needn't to take anti deformation measures. The parent material of runner is a maraging material and its welding bar also is maraging welding bar. Because the maraging material has high hardness, low toughness and poor weldability, the strict welding technique measures have been formulated before welding and the following items such as line energy, welding width, preheating temperature, bedding temperature, post heating temperature and duration, etc. have been strictly controlled while welding. The runners of 6 operated generating unit of Ertan Hydro Station have been checked and no crack on the primary weld of the field welding position is observed. The particular structure, material properties and the used welding techniques of the runners of Ertan Hydro Station have provided the useful experience for the design, manufacture and field weld of the spilt runner in China.

:二滩水电站水轮机转轮为分瓣结构 ,上冠采用 18个预应力卡拴现场把合 ,然后封焊过水面。叶片和下环组合缝需现场焊接 ,下环焊缝坡口采用国内少见的大钝边无间隙双U型结构 ,焊接不用采取反变形措施。转轮母材为马氏体 ,焊条主要采用马氏体焊条。马氏体硬度大 ,韧性小 ,但可焊性差 ,故焊接前制定了严谨的工艺 ,并且焊接时对线能量、焊道宽度、预热温度、层间温度、后热温度、后热时间等均进行了严格控制。二滩水电站已全部投运的 6台机转轮经停机检查 ,现场焊接的主焊缝无裂纹。二滩水电站转轮的特殊结构和材质及所采取的焊接工艺为国内分瓣转轮的设计、制造、现场焊接提供了有益的借鉴

 
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