查询词典 flash butt welding

Brittle fracture mechanism of butt welding in web connections under severe earthquakes is analyzed and studied based on the results of calculation.

计算结果分析表明，梁翼缘对接焊缝在循环荷载作用下脆断破坏的原因是焊缝两端存在着严重的应力集中，且焊缝处于三向受力状态。

The analyzed the material of horizontal push rod and introduced the butt welding procedure.

介绍了横向推力杆总成的材料分析过程和水平对接工艺，旨在为国内企业对同类进口产品的改制提供宝贵经验。

FB Series Metallic Wire Butt Welder is used for welding all kinds of metallic wire.

FB系列金属针布对焊机主要用于梳棉机金属针布的焊接。

The suitable corrosion allowance of long neck butt welding flange should be not larger than 3mm.

长颈对焊法兰的适用腐蚀裕量为不大于3mm。

The pure copperplate was butt jointed with the aluminium alloy plate of 7075,5086,5356 and 2024 by autogeneous welding process of TIG.

电弧自体接合的板状纯铜与铝合金7075、5086、5356和2024接合，经X-Ray测量结果显示，在对接焊道附近有拉伸残留应力存在。

The auxiliary engine product has the cylinder escapement to receive the paying out machine, the trunk recover of wire machine, the butt welding machine, rolls over the point machine.

辅机产品有工字轮收放线机、象鼻收线机、对焊机、轧尖机。

Welded pipe unit: The stainless steel welded pipe unit, the cold bending formation series welded pipe unit, the high frequency welded pipe unit, the pot galvanize unit, cut the butt welding machine, the spiral welded pipe unit and the heavy-caliber straight seam bury the arc-welded pipe unit and so on the complete set of equipment and so on;..

焊管机组：不锈钢焊管机组、冷弯成型系列焊管机组、高频焊管机组、热镀锌机组、剪切对焊机、螺旋焊管机组及大口径直缝埋弧焊管机组等成套设备等；。。

For example, butt welds in plate the highest heat input position is normally PF and the lowest PC. For fixed pipe welds the hardness tests shall be taken from the overhead welding position

例如，板的对焊，其最高热输入位置通常为PF，最低热输入位置通常为PC，对固定的管焊接，硬度试验用试件应取自上面的焊接位置。

A mathematic model, which deals with the relationship between maximum temperature of thick plate butt multipass welding and weld heat input, interpass temperature, ambient temperature and the distance of measuring points to heat source center, was founded using multivariant nonlinear regression analysis.

采用多元非线性回归的方法，建立了厚板对接多道焊的最高温度与焊接线能量、层间温度、环境温度以及测点到热源中心的距离之间的数学模型。

A mathematic model,which deals with the relationship between maximum temperature of thick plate butt multipass welding and weld heat input,interpass temperature,ambient temperature and the distance of measuring points to heat source center,was founded using multivariant nonlinear regression analysis.

采用多元非线性回归的方法，建立了厚板对接多道焊的最高温度与焊接线能量、层间温度、环境温度以及测点到热源中心的距离之间的数学模型。通过相关性检验、线性回归的显著性检验以及回归系数的显著性检验，证明了模型可行；同时分析了回归系数与测点到焊缝中心距离之间的关系。结果表明，它们之间的关系是一种非线性关系，而且呈现出了一定的变化趋势

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切