焊接

We attach importance to science and technology research and mordern management. The superior team contains enough technic and management experts, especially, the weld technique has been in a leading position from home and abroad, and our technicians developed and researched 1.0mm thickness of the harmonicon pipe successfully, and was put into production in 2007, our company is the exclusive producing enterprise.

公司注重科技开发和现代化管理，拥有一批高素质的管理人才和工程技术人才，尤其在在焊接技术方面一直处于国内外领先地位，是国内最早研发和生产全铝焊接暖风芯的企业之一，并成功地研发了1.0mm的口琴管厚度，并已投入生产，这在国内属独家。

Used f welding extra low-carbon Cr19Ni10 stainless steel. It has excellent resistance to the intercrystalline excellent welding technology.

抗晶间腐蚀性能优良、焊接工艺性能良好，用于超低碳 Cr19Ni10 系列不锈钢结构的焊接。

Cold Weld. A metallurgically inexact term generally indicating a lack of adequate weld bonding strength of the abutting edges, due to insufficient heat and/or pressure.

冷焊缝。通常由于焊接温度或挤压力不够，使焊接的两对边结合强度不足。

To meet the need of improving the welding quality, the microstructure and mechanical properties of the welded joints and the productivity, pure aluminum plate 99.60 is used in the experiment. Combined with micrographic analysis, the effects of electron beam welding on its mechanical properties ,such as strength, hardness and plasticity are studied in this paper.

本文针对应用越来越广泛的纯铝Al99.60，以及对其焊接质量、接头性能及生产率提出的新的要求，结合金相分析，探讨了电子束焊接对其强度、硬度、塑性等基本力学性能的影响规律。

Which are from USA for testing the product's temperature;The inductors of anneal、temper are all used multiturn closed coil,the NDT equipment for inspecting weld joint are multicenter digital robotcized ultrasonic testing technology and magnetic particle equipments,and we use full closed、full automatic annoit machinery with environment protecting,and all our main equipments are controlled by computers,so that we can monitor technologic parameter real time.

公司引进美国MTI公司320BX型摩擦焊机，采用世界领先水平的惯性摩擦焊接方法进行焊接；焊缝热处理设备采用中频热处理，以及采用美国雷泰测温仪进行红外测温；退火、回火感应器采用多匝绕制封闭线圈；焊缝无损检测采用多通道数字自动化复合探伤以及磁粉探伤设备；钻杆表面涂油采用封闭、环保、全自动涂油机等等，保证了电脑监控关键设备、实时监测工艺参数，产品质量稳定可靠，深受客户的欢迎。

The process of establishing neural network is as follows: input parameters of network are selected from thickness, preheat temperature, heat input, welding position and sampling point, output parameter of network is impact ductility CVN, two-layer neuronic network configuration, S-type active function and back-propagation learning algorithm are selected.

文章摘要：采用VC语言实现了X70管线钢环焊接头冲击韧性与环焊工艺之间神经网络结构的建立过程，将壁厚、预热温度、线能量、焊接位置、取样位置作为结构的输入，将环焊接头的CVN值作为结构的输出，选择了具有2层神经元的神经网络结构和S型激活函数及BP学习算法。

Metallographic examination displayed fine niddle shape grains in laser welds and large grains in pulsed tungsten argon welds which became finer after heat treatment.

金相观察激光焊接区为细小的针状马氏体结构脉冲氩弧焊接区为粗大的颗粒热处理后晶粒较为细小。

As the steel carbon and alloy elements working together to make it extremely easy to lead in the welding hardened organization, welding poor performance should be this, pearlitic heat-resistant steel in general preheating before welding, after welding tempered.

由于钢中碳和合金元素的共同作用，使其在焊接时极易形成淬硬组织，焊接性能较差，应此，珠光体耐热钢一般焊前进行预热，焊后进行回火处理。

Experiment result indicates that laser power density,welding speed,pulse frequency and pulse width are the key factors of pulse laser welding and that the polishment,close touch of butt joint faces have an important effect on the air vents number in welding line and the mechanical performance of welding line.

实验结果表明：对焊面的打磨、抛光和紧密接触对防止焊缝中产生过多的气孔和提高焊缝的机械性能有重要作用；激光功率密度、焊接速度、脉冲宽度和脉冲频率四个参数是实现脉冲激光焊接的关键因素。

It is shown that the steel should be preheated before weld in order to avoid weld cool crack.

因而在实际生产中建议严格限制使用大的焊接线能量，以确保焊接热影响区的机械性能。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！