查询词典 flash butt welding

Arc cutting;Arc welding;Arc welding cables;Arc-welding equipment;Blowpipes;Connectored joints;Construction requirements;Definition;Definitions;Degrees of protection;Dimensioning;Electric contact protection;Electrical engineering;Electrical safety;Environmental condition;Equipment;Feed;Feeder units;Feeding devices;Filler wire;MAG welding;Manual arc welding;Marking;MIG welding;Operating instructions;Performance requirements;Plasma arc cutting;Plasma-arc welding;Protection against electric shocks;Protective measures;Safety;Safety devices;Safety requirements;Specification;Temperature range;Test conditions;Testing;Testing conditions;Welding;Welding engineering;Welding equipment;Welding power supply;Wire guiding;Wires

中文标题电弧焊设备。第5部分：焊丝进料装置中文主题词弧切割；弧焊；电弧焊接电揽；电弧焊接设备；下流管；接头；施工要求；定义；保护程度；标注；电气接触保护；电气工程；电气保护；环境条件；设备；进料；进料单元；进料设备；填丝；MAG 焊接；手工电弧焊；做标记；MIG 焊接；操作说明；性能要求；等离子弧切割；等离子弧焊接；电击防护；保护措施；安全；安全仪；安全要求；规范；温度范围；试验条件；试验；焊接；焊接工程；焊接设备；焊接电源；线材指示；线

Aiming at the engineering problem that K welding machine is used to weld PD3 60kg/m rail during welding production at present, the quality of the joint falls short of the standard of TB/T1632-91 because of the objection of grey-spots in the welding joint, this paper analyses the element which influence the welding joint quality in detail from the stability of flash of the accelerating step of the rail, finds out the relationship between the stability of flash-butt welding and the quality of rail joint, provides the measure for controlling the quality of rail welding and some gist for establishing perfect controlling system of welding joint quality

针对目前焊轨生产中采用K型焊机焊接PD3 60kg/m钢轨，接头灰斑缺陷多，性能难以达到部颁标准要求的工程问题，对材质、焊接电压、焊接工艺对接头质量的影响进行研究，并从钢轨焊接加速烧化阶段的闪光稳定性入手，详细分析了影响接头质量的因素，找出了钢轨闪光焊稳定性与质量的关系，提出了控制钢轨焊接质量的措施，为建立完善的焊接质量控制体系提供了依据。

This article introduces joint type of copper-aluminum pipe,including straight pipe butted joint,flared pipe insert joint,reducing pipe insert joint and reducing pipe lap joint,and the welding technologies in domestic and abroad,including friction welding,energy storage welding,flash welding,resistance welding,braze welding,cold butt welding and ultrasonic welding.

介绍了铜铝管的接头形式，主要包括：直管对接、扩口管插接、缩口管插接和缩口管搭接；以及国内外的焊接技术，主要包括：摩擦焊、储能焊、闪光焊、电阻焊、钎焊、冷压焊及超声波钎焊等。

Now, the technology of flash welding has been applying in the engineering of rail welding progressively. The temperature field of flash welding plays a crucial role in the quality of welding joint, so the study of welding temperature field is significant to ensure the traffic safety and quality of welding and reduce the cost of welding.

目前，闪光焊技术在我国钢轨现场焊接工程中的应用正日益增多，由于钢轨闪光焊的焊接温度场对接头质量起着决定性的作用，因而开展钢轨闪光焊温度场的研究，对于控制焊接质量，降低焊接成本，提高列车运行安全具有十分重要的意义。

With regard to 17.2 mm thickness,48in pipe diameter and X70 grade pipeline,it introduced 2 kinds of combination methods for automatic welding,one is NOREAST inside welding machine root welding + PAW-2000 outside welding machine filled in and cover,the other is CRC inside welding machine root welding +CRC P260 welding machine heat welding +CRC P600 double welding torch filled in and cover.

介绍了印度&东气西输&天然气管道工程焊接技术规范，针对管径1219 mm、壁厚 17.2 mm 的X70级管线，推行了NOREAST内焊机根焊+ PAW 2000型外焊机填充盖面和CRC内焊机根焊+ CRC P260焊机热焊+ CRC P600双焊炬填充盖面两种自动焊组合方案。

This article has studied HG70 steel and HS-70 welding wires weldings,the welded joint,welding quality,and the welding operational performance,in restricts under the welding condition,Uses HS-70 welding wires,Experiments the steel plate the weld joint stretch,degree of hardness and the resilience test result indicated that,HG70 steel and HS-70 welding wires weld joints have the low crack sensitivity,The welding quality is good,Its weld joint has the fine mechanics performance,thus explained they had the fine welding match.

0前言非调质钢具有优良的使用性能和较低的生产成本，受到普遍重视。HG70钢是武钢开发的工程结构用钢，具有强度高、低温韧性好的特点。传统高强度钢一般碳当量较高，焊接性能较差。通过加入微量合金元素、采取新的控轧和调质工艺，使得HG70钢在提高强度的同时，亦保持了较高的韧性和较低的碳当量，因而从理论上讲HG70应具有较好的焊接性能，但HG70钢与HS-70焊丝的匹配情况，还有待于分析验证。

The relationships between welding pool width, wire extension and welding parameters including welding current duty ratio, base current, peak current, welding speed and wire-feeding speed were studied. Through large numbers of welding experiments, aluminum alloy pulsed MIG welding dynamic process were identified by the curve fitting method, and the mathematical models between welding current duty ratio, base current, welding speed, wire-feeding speed and wire extension were obtained, succeeding the model between the above parameters and weld pool width.

介绍了铝合金MIG焊焊接电流占空比、基值电流、峰值电流、焊接速度、送丝速度对熔宽的影响规律，并在其基础上，通过平板堆焊试验研究了这些参数对焊接干伸长的影响规律；在铝合金机器人脉冲MIG焊平板堆焊过程各焊接参数与正面熔宽之间的传递函数的基础上，采用铝合金平板堆焊阶跃试验，利用曲线拟合法辨识了铝合金机器人脉冲MIG焊动态过程传递函数，建立了焊接电流占空比、基值电流、焊接速度、送丝速度与焊接干伸长之间的对象数学模型。

Products mainly include: various types of resistance points welding machine, butt welding machine, seam welding machine, stud welding machine;òautomatic hydraulic machines, mechanicalòmachine, play button machine; automatic transfer straight cut machines, trimming machines; gas shielded welder (CO2 welding machine, welding machine) punch press with automatic feeder, such as pneumatic five categories.

产品主要有：各类电阻点焊机、对焊机、缝焊机、螺柱焊机；液压全自动打圈机、机械式打圈机、打扣机；全自动调直切断机、修边机；气体保护焊机（CO2焊机、氩弧焊机）冲床自动冲压用气动送料机等五大类。

Nebula Series digital inverter welding machine Products include: manual welder, argon arc welding machine DC pulse argon arc welding machine, argon arc spot welding, melting pole gas shielded welding machine, gas shielded MIG pulse welding machine and six functional welding machine more than 30 varieties.

Nebula系列数字化逆变焊机产品有：手工焊机、直流氩弧焊机、脉冲氩弧焊机、氩弧点焊机、熔化极气保焊机、熔化极脉冲气保焊机及六功能焊机等30多个品种。

Can be used for the above two products before the monopoly of lithium-ion battery anode welding; polymer lithium battery welding; airbag thin cable welding; refrigerator, freezer, air-conditioning cut brass letters; solar heat-absorbing plate rolling welding; less than 35 mm2 copper , copper braided wire, copper wire and the terminal contact welding tablets; beam welding; supercapacitor welding and many other industries.

可用于之前为上述两国产品垄断的锂离子电池负极焊接；聚合物锂电池焊接；安全气囊薄型电缆焊接；冰箱，冷柜，空调铜管封切；太阳能吸热板滚焊；35平方毫米以内铜线，铜辫线，铜绞线与端子接触片的焊接；线束焊接；超级电容器焊接等诸多行业领域。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。