查询词典 welding

To increase deposition rate and welding speed is the aim of high efficient arc welding.

0前言焊接作为工业生产的重要环节，效率的提高对总的生产率的提高有着举足轻重的作用。

CO2 Arc Welding is a kind of advanced welding method.

CO_2气体保护电弧焊是一种先进的焊接方法。

Products are mainly used for arc welding, argon arc welding and other fields.

产品主要用于电弧焊、氩弧焊等领域。

This paper analyzes the characteristic of the Power Factor Correction of arc welding inverter power source , introduces the 12-pulse converter based on delta-type autotransformer connection into arc welding inverter power source ,and its configuration, design scheme and theory on PFC.

分析了弧焊逆变电源功率因数校正技术的特点，阐述了弧焊逆变电源中基于差接三角形自耦变压器十二脉波整流电路的原理与设计及其功率因数校正机理。

Gas welding of brass, also braze welding of copper, steel and cast iron.

熔点约900℃。黄铜气焊用，也可钎焊铜、钢、铸铁

Compare two braze welding methods, the furnace braze welding is an appropriate making method.

并比较了两种钎焊制造工艺，指出炉中钎焊是一种非常合适的制造方法。

Based on the tests of fracture toughness of welding seam, this paper gives a new method to evaluate the breaking strength of welding seam.

本文通过线切割缺口试样拉伸试验方法研究了带钢不同焊缝的抗断裂能力，并对焊缝抗断裂能力进行了评价。

The welding conditions can be conformed by the stress situation,6 different parameters were used for all position welding. The activating fluxes were deposed on the metal surface by a brusher.

在分析涂敷活性剂时熔池受力变化的基础上制定了焊接规范，管道全位置焊接时分6段进行参数设置，每一段采用不同的焊接参数。

1 When thickness of the short pitch or long neck flange straight side of Type B doesn't equal to the cylinder thickness connected with it: If cylinder thickness is not larger than 10mm, and thickness difference with short pitch or long neck straight side is larger than 3mm; If cylinder thickness is larger than 10mm, and thickness difference with short pitch or long neck straight side is larger than 30% of the cylinder thickness or 5mm, Type B flange should take the slope value 1: 3, and the long neck flange should be thinned according to Chart 1, or have pile welding on the end of butt welding seam to achieve transition.

6.5.1 乙型法兰的短节厚度或长颈法兰的直边厚度与其相联接的圆筒厚度不等时：若圆筒厚度不大于10mm，且与短节或长颈直边厚度差超过3mm；若圆筒厚度大于10mm，且与短节或长颈直边厚度差大于圆筒厚度的30%或超过5mm时，乙型平焊法兰应按斜率1：3，长颈对焊法兰按图1虚线削薄，或者在对接焊缝的筒体端部按图2堆焊过渡。

The development and technical characteristics of Headless Welding Rolling System are summarized, the main parts of headless welding rolling equipment are introduced, and the function and feature of each part are expatiated; At the same time, flash butt weld process is analyzed, especially the key technology.

总结了无头轧制技术的发展情况与技术特点，介绍了无头轧制设备的主要组成部分，详细阐述了各部分的功能与特点，同时分析了闪光焊接的工艺过程，并着重分析了无头轧制关键技术，并对无头轧制技术的优越性与应用前景作了简要分析。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。