查询词典 gas welding equipment

Flat Welding : choice of welding technology, electrode diameter, welding current, welding speed, the length of arc welding, weld process verification; Welding : welding inspection clearance groove, assembly space whether it meets the requirements, positioning it firmly welding, weld around is not oil, rust; Electrode temperature and baking time should be required, the rod removed from the oven. tempreture-constant drum on the electrode, then used as admission; Latin America : welding supply welding thickness, welding levels and electrode type and diameter, skil led welders and other factors, and to select appropriate welding current; fillet weld arc : fluctuations in the point arc weld end, they are advised more than 10 mm, is not hard arc, sparking arc weld zone from the electrode should be started immediately. Component integration and maintaining so-rod pieces have 2-4 mm gap arc.

1.1.2.1平焊：选择合适的焊接工艺，焊条直径，焊接电流，焊接速度，焊接电弧长度等，通过焊接工艺验证；清理焊口：焊前检查坡口、组装间隙是否符合要求，定位焊是否牢固，焊缝周围不得有油污、锈物；烘焙焊条应符合规定温度与时间，从烘箱中取出的焊条，放在焊条保温桶内，随用随取；焊拉电源：根据焊件厚度、焊接层次、焊条型号、直径、焊工熟练程度等因素，选择适宜的焊接电流；引弧：角焊缝起落弧点应在焊缝端部，宜大于10㎜，不应随便打弧，打火引弧后应立即将焊条从焊缝区拉开，使焊条块结合与构件间保持2～4㎜间隙产生电弧。

Company Profile Beijing Xinyu win equipment limited liability company operating mainly in the production and domestic and international advanced testing equipment, instrumentation, and diagnostic tools, as well as introduce advanced test, measurement of new technology for operating purposes. A: electrical fire, building fire detection and public safety facilities, equipment detectors B: lightning protection, lightning protection device detection equipment, mine detection device safety box C: Fire Fire Safety Inspection and Testing equipment, and investigate the cause of the fire equipment, police station fire alarm Services and equipment D: fire inspection and fire investigation equipment boxes, fire investigation kits, fire detection equipment to determine the scene Product E: Fire Engineering Detect boxes, cartons Detect building fire service installations, fire detection electrical box F: Airport Fire fire inspection equipment, subway Fire Safety Detect Box G: boilers, pressure vessels and special equipment, elevator equipment Detect H: Victoria seized power telecommunications equipment boxes, mechanical state patrol boxes I: Detect safety boxes, traffic accident investigation boxes, property management Detected me J: Public environmental hygiene Detect boxes, boxes of food safety at the scene detection, occupational health care at the scene Detect boxes, cartons Detect Radiological Protection at the scene, the situation of sanitation and disinfection Detected me, health production supervisor at the scene seized me K: Ultrasonic leak detector, ultrasonic spectrum analyzer, ultrasonic full-function fault detection system L: fire using infra-red thermal imaging, infrared imaging system for industrial use, the security-type infra-red thermal imaging M: Energy Conservation Supervision and Testing Instruments instrument N: Private Product: 3 1/2- 8 1 / 2 handheld / desktop Digital Multimeter, cross-DC clamp level pressure ammeter, temperature gauges, tachometer, digital megohm table, grounding resistance tester, desktop multimeter, digital frequency meter smart, figure synthesis / function signal generator, desktop digital electric bridge, oscilloscopes, infrared thermometer, vibrometer, digital DC regulated power supply, 5 1 / 2 hand-held multi-function calibrator field process instrumentation. O: agent Products:, infrared thermometer, infrared, ultrasonic full-function fault leakage / discharge detection device, flammable / toxic gas detector, harmonic power quality analyzer, portable ultrasonic flowmeter, insulation / Ground Resistance Tester, temperature, current / voltage, the process of signal, thermal resistance / thermocouple, pressure, loop calibrator, such as electronics, telecommunications, electricity, petroleum chemical industry, safety inspection, steel smelting, public environmental protection, fire detection Secret rescue, fire detection equipment, special equipment testing, military field equipment dedicated monitoring equipment and tools.

公司简介北京新宇胜利仪器有限责任公司主要以生产和经营国际，国内先进的检测仪器仪表和设备诊断工具以及介绍先进的测试，测量新技术为经营宗旨。A：消防电气、建筑消防设施检测和公共安全侦检仪器设备B：防雷、避雷装置检测仪器设备、防雷装置安全检测箱C：消防防火监督检测装备、火灾原因调查装备、公安派出所消防警务装备D：防火检查与火灾勘查仪器箱、火灾勘查工具箱、消防产品现场判定检测仪器E：消防工程检测箱、建筑消防设施检测箱、消防电气检测箱F：机场消防防火检查仪器设备、地铁消防安全检测箱G：锅炉、压力容器和特种设备、电梯检测仪器H：电信电源维检仪器箱、机械状态巡检箱I：交通安全检测箱、交通事故勘查箱、物业管理检测箱J：公共卫生环境检测箱、食品安全现场检测箱、职业健康监护现场检测箱、放射防护现场检测箱、卫生消毒状况检测箱、健康品生产现场监检箱K：超声波泄漏检测仪、超声波频谱分析仪、超声波全功能故障检测系统L：消防用红外热像仪、工业用红外热像仪、本安型红外热像仪M：节能监督检测仪器仪表工具N ：自有产品：3 1/2-8 1/2位手持/台式数字多用表，交、直流钳形高低、压电流表，温度仪表，转速表，数字兆欧表，接地电阻测试仪，台式多用表，数字智能频率计，数字合成/函数信号发生器，台式数字电桥，示波器，红外测温仪，测振仪，数字直流稳压电源，5 1/2位手持式多功能现场过程仪表校验仪。O：代理产品：，红外测温仪，红外热像仪，超声波全功能故障泄漏/放电侦测仪，可燃/有毒气体检测仪，电力质量谐波分析仪，便携式超声波流量计，绝缘/接地电阻测试仪，温度、电流/电压、过程信号、热电阻/热电偶、压力、回路校验仪等电子、通讯、电力、石油化工、安全检查、钢冶、公共环保、消防特勤侦检救援、消防检测设备、特种设备检测、军事领域的专用仪器监测设备与工具。

Approval;Approved organizations;Bend testing;Butt welding;Definition;Definitions;Design;Dimensions;Electric welding;Flash welding;Inspection;Materials;Metal sections;Order indications;Performance tests;Permanent ways;Profile;Quality;Rail joints;Rails;Railway applications;Railway rails;Railways;Resistance welding;Sections;Specification;Steel welding;Steels;Suitability;Testing;Tracks;Travel ways;Vignol rail;Weldability;Welded joints;Welding;Welding engineering;Welding equipment;Welding processes;Weldings

中文主题词认可；受批准组织；弯曲测试；对接焊；定义；设计；尺寸；电焊；闪光焊；检验；材料；金属型材；顺序示度；性能试验；永存性铁路；轮廓；质量；钢轨接头；钢轨；铁路设施；铁路钢轨；铁路；电阻焊接；型材；规范；钢件焊接；钢；适宜性；测试；轨道；旅行线路；丁字形铁轨；可焊性；焊接接头；焊接；焊接工程；焊接设备；焊接工艺；焊接法

Sichuan Provincial Foreign Trade Metals and Minerals Import and Export limited liability company mainly engaged in technology transfer and production of complete sets of equipment and raw materials in bulk import and export business, operating the main products are: thermal power generation equipment, hydro-electric power equipment, power transmission equipment, environmental equipment, water treatment Equipment, general machinery, light industrial machinery, construction machinery, grain, oil, food machinery, transport machinery, plastics machinery, chemical machinery, packaging machinery, machine tools, machine tools, measuring tool cutting tools, hand tools, farm tools, rubber processing equipment, telecommunications equipment, system Sugar equipment, compressed air equipment, geological drilling equipment, ceramic equipment, railroad equipment, rolling stock, chemical equipment, industrial Li, teaching equipment, communications equipment, glass equipment, communication cables, power cables, all kinds of special light bulbs, all kinds of Electronic components, all kinds of hardware, all kinds of aluminum, profiles, steel, pig iron, iron alloy, nonferrous metals, ferrous metals, non-metallic mineral products and chemical raw materials, the company is now working with various world-renowned brand manufacturers and agents There is a close business contacts at the same time the company has also developed international financial institutions, loans and government bonds, and other related businesses bidding, so far, I Division in loans from the World Bank, Asian Bank loans in the tender have been repeatedly successful.

四川省外贸五金矿产进出口有限责任公司主要从事技术引进，成套设备和大宗生产原材料的进出口业务，经营的主要产品有：火力发电设备、水力发电设备、输变电设备、环保设备、水处理设备、通用机械、轻工机械、建筑施工机械、粮油食品机械、运输机械、塑料机械、化工机械、包装机械、机床、机床工具、量具刃具、手工工具、农具、橡胶加工设备、邮电设备、制糖设备、空气压缩设备、地质钻探设备、搪瓷设备、铁道设备、机车车辆、化工仪器、工业黧器、示教仪器、通讯仪器、玻璃仪器、通信电缆、电力电缆、各种特种灯泡、各种电子元件、各种小五金、各种铝材、型材、钢材、生铁、铁合金、有色金属、黑色金属、非金属矿产品和化工原料等，公司现与多个世界著名品牌的生产厂和代理商有着密切的业务往来；同时公司还开展国际金融机构贷款和国债项目等相关的招投标业务，迄今为止，我司在世界银行贷款、亚洲银行贷款等的招标中曾先后多次中标。

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。

Are specializing in the design, production of industrial equipment and auxiliary gas, dissolved acetylene equipment (seamless, welding, dissolved acetylene, liquefied petroleum, natural gas and other gas cylinders) Chemical Equipment and accessories, all kinds of gas Filling Units, bus high-purity, specialty, medical gas cylinder seamless vacuum devices do bath, stainless steel PTFE metal software, bellows, industrial gas high, medium pressure valves, the fittings in the gas, industrial gases pallets, providing liquid oxygen, liquid nitrogen, liquid argon, liquefied petroleum, liquefied natural gas, two ice machines, to undertake air separation, acetylene equipment¨and renovation project as well as standard gas, mixed gases, specialty gases, high purity gases configuration and installation industry.

丹阳市荣发气体设备有限公司是专门设计，生产工业气体设备及辅机，溶解乙炔成套设备（无缝，焊接，溶解乙炔，液化石油，天然气等气瓶）化工设备及配件，各种气体充灌台，汇流排高纯，特种，医用气体无缝气瓶真空干澡装置，不锈钢四氟金属软件，波纹管，工业气体高，中压阀门，各中气体配件，工业气体集装架，提供液氧，液氮，液氩，液化石油，液化天然气，二冰机，承接空分，乙炔设备建站及改造工程以及标准气体，混合气体，特种气体，高纯气体的配置工业及装置等。

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。

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。

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。

Salt is good, but if the salt becomes flat and tasteless, with what do you season it?

14：33 盐本是好的，盐若失了味，可用什么叫它再咸呢？

He reiterated that the PLA is an army of the people under the leadership of the Communist Party of China.

他重申，人民解放军是在中国共产党领导下的人民军队。