(1) All the welding had been done from inside the car.

(2) The welding is so smooth that you can hardly see where the sections of pipe are joined together.

(3) In 1916, it was rebuilt as a welding car to carry equipment for track welding at night.

(4) Mill blaze: A welding torch yesterday started a fire at a North Yorkshire corn mill.

(5) The oil spread to the plaintiff's wharf where welding was taking place.

(6) Phase one is now complete with steel frame welding being carried out at the new site.

(7) Naturally, the tricky business of welding the Germanies together could still bring nasty surprises.

(8) Typical end-uses include fire screens and welding blankets in potentially hazardous environments such as oil platforms, shipyards and the steel industry.

(9) Laps are thermally fused using specially developed welding machinery and all installations are carried out by trained technicians.

(10) Continuous welding of marine - type aluminium alloy is faster and cheaper than riveting.

(11) He was welding on top of a 900 ton oil storage tank which exploded, hurling him 120 feet into a wall.

(12) A typical case was that of an arc welding operation.

(13) Mr Chilchutt started by welding a different nose on to his Studebaker before squeezing a 400 horse-power Chevrolet V8 under the bonnet.

(14) He then carried it back to the welding shop toilet, where it would spend the night.

(15) Argon arc welding labor 5: Has the welder card.

(16) Why open welding rod can't used on our site?

(17) Each component was hot dip galvanized prior to being brought on site and welding was avoided to eliminate potential fire hazards.

(18) A broken toaster and sev-eral ripped window shades were crammed in near a cracked welding gun and a rotting fence post.

(19) Bert took this seriously, stopped wearing his goggles and suffered partial blindness caused by the glare from the welding torch.

(20) The plaintiffs were assured that there was no danger of the oil catching fire on water and continued welding.

(21) He said the management at the site hadn't given permission for welding on the oil tank.

(22) One technological fix for this problem is to fit carousels on to the welding machines.

(23) The biggest industrial application for robots in Britain, accounting for 249 machines, is spot welding.

(24) In one street people were hand-making bicycles out of tubing, welding the bits together and then painting them.

(25) In 1975, my engineers and I realised we should enter a new area of application - robots for arc welding.

(26) A major review of existing modules in the fabrication and welding area is now under way.

(27) Sometimes the driver or a mechanic could be seen hard at work hammering, bending or welding some makeshift repair in place.

(28) The pressure on the welders would have involved a very high rejection rate - a problem overcome by robot welding.

(29) Polyethylene piping comes in 20-foot rolls and requires above-ground welding with a hot plate.

(30) The very struggle to overcome the new problems can have a salutary welding effect on the new church.

(31) An Arc Stud Welding Controller with Date Acquisition Function.

(32) Knowledge of welding process and UT and RT.

(33) large-scale structure of welding tasks, Gezhongfeibiao machining tasks.

(34) Oxyacetylene flame can' be used for welding of pipeline.

(35) Welding length obtained from one welding rod is short.

(36) Free angle welding of right machine head.

(37) Inspecting welding seam of hatch coaming after welding.

(38) Basic competency: familiar with welding assembly process.

(39) Special for mullion V-shaped welding and cross welding cleaning.

(40) Along with the increase using of steel structure in tall building, Horizontal Welding technology of medium plate play a decisive role in construction and installing.

(41) Ways and methods of optimizing resistance spot welding parameters are given.

(42) Providing expert help to welding process Assisting with ongoing process developments.

(43) The invention provides a supersonic reactive plasma spray gun, belonging to the welding field.

(44) This paper analyzes the common breakdown of submerged arc welding machine and parameters' adjustment.

(45) The short-time drawn arc stud welding is the dominant arc stud welding method, and the investigation on short-time drawn arc stud welding for large diameter stud is an important field in the future.

(46) Introducing the performance of spraying welding layer for nickel wearing resistance alloy.

(47) Development tendency of car body production,[] the flexible welding and assembling production line is analyzed. A...

(48) Applied GTAW and SMAW to weld Ammonia Saturator with emphasis on preweld treatment and controlling welding heat input, high welding quality and efficiency were reached.

(49) We need a piping material list ( list of piping support , bill of welding rod ).

(50) Major in mechanical or electric specialty, qualified for locksmith or electric welding maintenance.

(51) A plasma gun for spraying welding inside surface of deep hole with powder is designed and developed which has the property worked continuously at high temperature.

(52) An energy saving strategy, which aimed at the problem of arc welding transformer with high open energy wastage and low power factor, is proposed.

(53) Manganese burn - off from the wire in welding a single - V butt weld was studied.

(54) Manual programming is inefficient when using CNC pipe cutting machine cuts intersection lines with welding groove.

(55) New idea to control welding residual stress and distortion with trailing impactive electromagnetic force was given.

(56) This paper studied the friction stir welding (FSW) for ZL114A cast aluminium alloy.

(57) Our in-house capabilities include an arm fabrication shop with a dedicated seam welder, two arm radius-bending machines and welding stations.

(58) Amorphous welding material is a novel material with brilliant prospects.

(59) It was examined that the dynamic peculiarity, the welding line flaw, the size of steel member section and the rusty phenomenon of a steel pedestrian overcrossing.

(60) The bolts are made from excellent quality alloy steel, the nuts and washers are made from carbon steel, cheese head studs for stud welding are made from ML15AL.

(61) In view of dual-pulse welding procedure, a predicted model of spot weld forming for non-thick dissimilar steel was developed by the method of neural network based on a large number of experiments.

(62) The developed welding power source ZX5-800Dshows a satisfactory performance in the welding process of TIG. Shield metal arc, submerged arc and the. carbon arc air gouging.

(63) Box beam: Electro Slag Welding ( ESW ), four plates and eight Welding Lines . Inside and Outside penetration.

(64) A new gas-flux control system for pressure welding of steel rail was introduced in this paper. In this control system, the gas-flux which is used to heat the steel rail is controlled by PLC and MFC.

(65) With soft hardware, the control system can achieve two kinds of welding methods,() full welding and orientation welding by weld processing logic automatic control.

(66) New robot technique for spot welding used in automobile work is introduced.

(67) The bolts making adopts cold forging and hot forging technique, the nuts adopt hot forging technique entirely, cheese head studs for stud welding adopt cold forging technique.

(68) Apply engineering machinery, colliery machinery, petroleum industry, traffic, input water, trade of welding etc. extensively.

(69) The melting behavior of the agglomerated flux is very important to the welding properties.

(70) An electrical resistance spot welding technological parameter selection and manual intelligent system is recommanded, which possesses the features of integrated expertise system and manual nerve net.

(71) Optimum design of movable - core - shunting arc welding transformer is carried out in the present paper.

(72) Development of HRB 500 Grade Reinforcement and Test Study of Its Flash Butt Welding.

(73) Optimized control of static characteristics, fast response, stable welding current , reduces spatter distortion , smooth welding surface.

(74) It is perfect phase trigger circuit for arc welding power source of SCR.

(75) When temporary attachments are required during the forming work, they shall be welded to the shell plate using the sa me welding procedures as for the main seams.

(76) In addition, the dynamic resistance in spot welding and its frequency spectrum are analyzed. The relationship between the dynamic resistance curve without type character and nugget size is founded.

(76) Wish you can benefit from our online sentence dictionary and make progress day by day!

(77) The problem of annual arc welding power source whose output is surge and power factor is lower, is solved by means of main circuit, arc ignition circuit and arc static circuit working together.

(78) Meanwhile, the calculated deformation of the rear fork structure was applied as the welding pre-deformation to the actual production process, in which qualified products were produced.

(79) Compared with traditional arc stud welding gun, the above mentioned parameters can be adjusted independently, and the sending depth is allowed to vary within a wider range.

(80) According to the result of simulation, the paper provides standards of choosing parameters of flash welding.

(81) In this paper we briefly analyze the mechanism of engendering pores in powder metal material(PM), and study the influence of welding speed and active gas for welding porosity defect.

(82) All - in - one structure , the wire - feeding fitting is installed in the electrical source with 3 - meter welding wire.

(83) The frame grabber can capture 25 frames of welding seam image per second continuously and make it possible to fulfil the real time welding seam image processing and recognition.

(84) The interference measures are described. Test results show that the system can operate well in the welding shop.

(85) This article introduces the construction, working theory and typical technology of automatic welding equipment for equal diameter welding tee to solve the low efficiency by manual welding.

(86) Welding of Carbon - Steel, Stainless - Steel and Nonferrous - Metal tube.

(87) We sincerely congratulate you on a successful opening of the 11th Beijing Essen Welding and Cutting Fair as representative of Korea Welding Industry Cooperative (KWIC).

(88) With the emphasis on flash welding principle and especially virtue of voltage, which is a mode of rectangle wave are described in detail.

(89) The invention provides a method with a concave lens focus as a welding heat source and a welding device thereof.

(90) Yi Feng laser welding technology center is an agent ROFIN equipment emerging companies.

(91) The - time monitoring system for laser welding installed in one key lab andwell.

(92) A lot of experiments have been carried out for laser butt welding of steel sheet.

(93) It is analyzed that electrode surface sticks dirty spot unevenly and electric field varies irregularly during welding the phosphorized weldment by 3-phase DC projection welder secondary rectification.

(94) This paper introduces the technique for welding machine vehicle on portal jib crane.

(95) The fixing and sealing may choose among parallel - seam welding, braze welding, glass - melting - sealing and resin binding.

(96) The technology concerned with laser welding and CCD image acquisition is simply summarized in this paper.

(97) FXD gives greater advantages for aluminum, brass, and cast iron welding, brazing and silver soldering by extremely clean burning.

(98) And the pipe connection mode: direct welding ( most commonly used modalities ), flange joint, thread connection, a socket type connection.

(99) In this paper, the method measuring joint reduction ratio of V01 arc welding robot is presented.

(100) It is shown that the simulation results are in good accordance with the actual results. This paper can assist people to choose the right welding parameters in butt-welding effectively.

(101) Introduces an automatic sped modulation system for welding turner, which is used in the automatic . welding of spiral plane welds.

(102) Companies with welding, carbon dioxide gas shielded arc welding, argon, carbon arc gouging, oxygen cutting and other special operations personnel.

(103) By increasing the weld heat input, the distribution of martensite becomes more dispersive and glomerate due to the molten pool stiring, the welding stress and the burning loss of alloy elements.

(104) Wuhan Film world Welding Science and technology Limited company ( flagship sign ) Wuhan general agent.

(105) For welding thicker pieces, automatic frequency control should be adopted.

(106) The welding quality between the chip and the base of power transistor inspected by radiographic testing was described.

(107) Ultrasonic Metal Spot Welder, Ultrasonic Plastic Welding Machine , Ultrasonic Metal Welding Head Series.

(108) The bend angle of the flyer plate was determined by flash X-ray photography during explosive welding and the value coincides with that obtained in the semicylinder test.

(109) Digital inverter welding power source becomes the direction of welding because of its high reliability, high accuracy, and easy control of large-scale integration.

(110) To introduce the process of wire drawing process, chemical Cu-plating process and formulation of top grade submerged-arc welding wire for pipe line steel.

(111) Learn how to select equipment, set up your welding shop, pre-weld jigging and fitting, and how to choose the right process and fill metal for each project.

(112) By adopting blowing coaxial and side protective gas it avoids gas hole and unstable welding pattern owed to evaporation of Zinc and moisture of circumstances in laser welding.

(113) The welding temperature field, welding longitudinal residual stress and deformation can be simulated accurately using the modified two-dimensional Gaussian model.

(114) In this paper, it introduces the process application and study of tubes coating for electroslag welding and production for Box-Beam(pillar)s tendon are introduced.

(115) A set of convenient and reliable dynamic parameter measuring system in resistance spot welding was designed in this paper.

(116) And we have CNC, CJK, Punch press, high-frequency heating machine, argon arc welding machine , drilling machine....

(117) Research on HT250 gray iron flame welding with multi-alloying cast iron torch welding rods. Hardness, crack resistance and machinability of the welded joint is tested and analyzed.

(118) Arc welding power supply is the key part of electric welding machine, so its performance directly affects the welding quality.

(119) For welding low-alloy and high strength steel with corresponding strength grade. Such as pressure containers.

(120) The thesis aims to develop a micro-vibration platform using Giant Magnetostrictive Vibrator (GMV), which is expected to improve the vibrating force and frequency scale of vibration welding technic.

(121) In welding test of TCS stainless steel, it was found that impact absorbing energy of heat-affected zone(HAZ)near bond line in welded joint was low. The reason is coarse grain in HAZ.

(122) The results show that whether the arc of A-TIG welding shrinks is related with active flux used. The surface active flux still has the effect on weld pool depth even when arc does not shrink.

(123) This paper analyzes the situation of resistance welding equipment, the difference between home and abroad, and suggests the development of resistance welding machine.

(124) Laser Image preprocessing method for V groove underwater welding is discussed.

(125) This system solves the interference problem of sensor mounting by designing special fixture, and can be successfully applied on the portable welding machine.

(126) The TANDEM welding is an ideal technology for the welding of panel in shipyard.

(127) The invention discloses a surface treating method for welding points. The method uses an alkaline buffer solution and makes a welding point immerge into the alkaline buffer solution.

(128) Yu Guangzhou Machinery Co. , Ltd. specializes in Leger advanced welding equipment, sales, as well as related technical support and services.

(129) Common malfunction analysis and parameter regulation of automatic submerged arc welding machine.

(130) Welding is one of four automobile manufacturing process, and the rapid construct for welding line is one of predetermination condition.

(131) The function and characteristics of high frequency transformer used in arc welding inverter are introduced in this paper.

(132) The welding time and weld quality is guaranteed by international purchased welder.

(133) The miniature coaxial cable with corrugated copper-tube outer conductor that is manufactured using laser welding process offers satisfied results in both electrical and m...

(134) Normal direct current welding machines consists of motor - generator set and rectifier - type units.

(135) Later I was designated to the underpan line, this line is the most important part in assembly and welding workshop.

(136) In this way at the ends of the shaft 1 layers or lines of welding can be superimposed on each other to form barriers 4.

(136) is a sentence dictionary, on which you can find good sentences for a large number of words.

(137) A simple and practical welding technique , the oxygen - acetylene welding technique, for Zn - Al alloys is recommended.

(138) Electric arc burns stability, remove tungsten consumption and assuring welding quality the workpiece cleaning function.

(139) There are connect space left on the main control board, can be expanded to argon arc welding machine, make it have good compatibility.

(140) The requirement of plasma spray welding, the hardware design of PLC control system and the software design of spray welding technical program were introduced.

(141) Commonly used in rough machining are castings, forgings, profiles and welding parts.

(142) When parameters are presetting, digital pant meters display presetting parameters. When the power is welding, digital pant meters display welding process parameters: voltage and current.

(143) EBW procedure of pyramidal horn antenna was researched, including joint design , welding parameters confirmation, etc.

(144) This paper also introduces the breakdown and solutions of Japanese A-70 plasma arc welding machine.

(145) Accurate electrical network automatic compensation and overcurrent, overvoltage , undervoltage, overheating, etc protection functions make welding machine more safety and credibility.

(146) CB without halogen residues, can effectively improve the welding quality and reliability.

(147) After its birth system, pinch wire, welding, Blue Point , Shao Lan , polished, gold - plated, and other processes.

(148) During the measurement of welding contraction distortion for stator in a large hydropower station, the method is used well. And this me...

(149) Such factors as structure design and welding method are taken into consideration to prevent bottom plate of large circular storage tank made of steel from deformation during welding.

(150) Safe and reliable, by the automatic flash welding solder welding, welding uniform.

(151) Aiming at the characteristic of the welding rapid prototyping, a whole hatching and scanning algorithm of the complex section area is presented in the paper . in the algorithm.

(152) Development tendency of car body production, the flexible welding and assembling production line is analyzed. Argumentation is made that computer is the nucleus to realize flexible automatic control.

(153) When welding is required, all welds are subject to leak test to ensure the washer is water tight.

(154) This paper describes the development of high - pressure steel butt welding bends with straight ends.

(155) The Shanghai Electric Welding Machine Plant is one of the largest welding machine works in China.

(156) TIG(tungsten inert-gas) welding processes and A-TIG(A activating) processes of TC4 titanium alloy with FT-01 activating flux made in BAMTRI were investigated.

(157) Hollow metal O-ring is a kind of special sealing member rounded with thin-wall steel pipe, stainless steel pipe, monel pipe or inconel pipe, through welding and polishing of its joint.

(158) The intrinsic self regulation effect of aluminum alloy wire in the region of short arc in MIG welding is investigated with self made equipment.

(159) Electric discharge machining , creping, and blasting are possible after welding, as well as heat - treating and nitriding.

(160) The software for welding heat cycle was developed successfully, based on some classical mathematic models and measured data and programmed appropriately by LabVIEW7.

(161) Feasible study is discussed in the paper on application of argon arc welding technology in welding process of stainless steel wire screen mesh.

(162) Technical specification for welding of croloy piping in petrochemical engineering.

(163) With the combination of the planning macro motion and the adjusting micro motion, the welding seam tracking with high accuracy in large working range can be realized.

(164) With over five years' experience on manufacturing and exporting welding products, our company is developing rapidly, with an annual sales volume of about USD5,000,000.

(165) This paper simply introduces the current attenuation method of AC power, and then relates the characteristic, work principle and working wave-form of AC square-wave TIG welding machine.

(166) In this paper, a variable model of optimum droplet transfer mode for pulsed GMA welding using a steel electrode is developed on the principle of the micro-interference instability of magnetofluid.

(166) is a sentence dictionary, on which you can find good sentences for a large number of words.

(167) This auto - tracking system has higher tracking accuracy and broad application in welding technology.

(168) The method of surfacing welding sealing strip was adopted to repair the deformation of the flange joint surface of the high and intermediate pressure outer casing .

(169) It has vanguard technology of friction welding and chroming and so on.

(170) The research on TIG welding arc ultraviolet spectrum has been completed by using this system.

(171) The conventional welding connections for the welded thin - wall box member have poor stiffness and low capacity.

(172) The twin-wire indirect arc gas-shielded welding is a new welding technology.

(173) The stability of the welding arc depends mainly on the voltage and the gas ionization when current zero-crossing as well as the electron emission ability of the electrode.

(174) Stress corrosion in flash welding butt joint of steel bar HRB400 is studied.

(175) With the self organizing fuzzy unit of self optimizing adjustment factor, the system can keep the current stable, which is set initially by the welding operator.

(176) Dual waveband signals in high power laser welding were recorded and analyzed, especially, the law between the signals magnitude and the defocusing was discussed.

(177) The electric network voltage wave can be compensated automatically. The welding electric arc is stability.

(178) At first we established an AC small-signal model of welding inverter and designed a digital controller on the basis of analyzing a typic analog welding control circuit.

(179) Plasma - arc welding ( PAW ) may be used for hard surfacing, overlaying and fully automatic butt welding.

(180) Objective To compare the healing process of skin incisions repaired by laser welding, intradermic suture and interrupted suture with emphasis on the advantages of laser welding method.

(181) Our company specialized production each kind of welding wire and welds the auxiliary material.

(182) The process of Cu - Al pipe butt welding was analyzed , which is divided into 6 steps.

(183) The supercooled liquid phase welding is successful due to the thermally stable supercooled liquid state of the bulk metallic glasses and the superplasticity and viscous flow of the supercooled liquid.

(184) Wide matching scope of welding parameters, soft arc, high frequency drop transition, high productivity.

(185) Used for welding low-alloy and high strength steel with corresponding strength. It has excellent welding technology and cold crack resistance.

(186) The study on the application for explosive compound welding technique has been preceded.

(187) The design of high frequency transformer in inverter arc welding power is introduced, which is based on the characteristics of inverter arc welding power.

(188) The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled , calculated and controlled by microprocessor.

(189) During the manufacture of oil derrick, such factors as welding defects, deforming and cold crack have key effect on the oil derrick quality.

(190) Fractured 1 Cr 18 Ni 9 Ti butt welding flange was analysed by OM, SEM and EDX.

(191) The influence of welding thermal cycle on structure and properties in grain-coarsening region of X80 pipeline steel was investigated by weld thermal simulation technique and the charpy test.

(192) The works is significant and valuable to the study of underwater welding arc physics and welding metallurgic.

(193) It could not need after dispose(for example, using the grinding wheel polisher by hand )4. It advances the welding speed and reduces the man-hour .

(194) The apparatus is composed of a butt-welding tracker, a welding arm, adjustment mechanism and welding torch.

(195) A micro controller unit control system for special type resistance welding machine is developed in the pa-per.

(196) A controller with sequence timer circuit applied to IGBT spot welding inverter is introduced in this paper.

(196) is a sentence dictionary, on which you can find good sentences for a large number of words.

(197) A method in which a data base and regression will be employed has been studied for predicting weld bead shape and selecting optimum welding parameters in arc welding processes.

(198) In order to investigate the mechanism of arc light sensing for welding behavior accurately, systematic spectral analysis of GMA and GTA was made.

(199) The process investigation on hybrid YAG - MAG laser arc welding of austenite stainless steel is systematically developed.

(200) It is preferable to use tungsten carbide of fine grain size for such build - up welding .

(201) The weld size was controlled according to the definition of leg on the corner joint and DL/T869—2004 (power plant welding technical regulation), which led to the effective thickness was insufficient.

(202) This paper collects and analyzes the harmonic signals of the CO2 welding machines main transformer, by which researches the effect of welding power source on the main.

(203) The electron arc welding power source without sampling of arc voltage is introduced in this paper.

(204) Treated surface should be free of fash, burr, welding scar or dirty.

(205) Deep penetration laser welding was performed at aluminum alloy LF 3 Y 2 under hot and press condition.

(206) Auto mechanics categories: car theory, automotive equipment, welding technology, mechanical design, transportation equipment maintenance.

(207) Company rely on our own strong research and development, successfully developed the world's first welding slag ladle.

(208) A controller applied to IGBT inverter spot welding machine is introduced in this paper.

(209) The result shows that the forecast controller exhibits excellent performance on eliminating synchronism of upsetting force in flash butt welding.

(210) During the welding process, when underwater welding power outputs high level, the system stops feeding wires and wires burn upwards with forming molten droplets.

(211) With the multi parameters fluctuated, the different of the technology performance between AC spot welding machine and inverter spot welding machine is analyzed.

(212) A new radial friction welding band technology on small shell was proposed.

(213) In NACE solution , through the electro kinetic potential scanning test, we draws the polarization curveofthe manual welding welded joint, heat - treatedweld joint, NGW welded joint and so on .

(214) Before steel plate welding bevel processing, hypoteneuse, straight edge, nearby U.

(215) This thesis describes the field erection process of the loop reactor and the assembly welding method of a pair of the axial-flow pump flanges.

(216) High-speed steel layers were coated on the pick's base by surfacing welding technology and bonded with the base metal metallurgically.

(217) HOT BARThe hot wire is widely used in welding, solder reflow soldering.

(218) PWM modulation and IGBT drive circuits determined the quality of welding, controlled the output of driving signal for the IGBT inverter main circuit.

(219) The procedure using anneal instead of normalizing will improve the productive efficiency of electroslag welding joint.

(220) In this paper, the major is experiment study focused on the high-strength steel WH70 welding performance[], analyse its solderability and crack resistance from the view point of welding technology.

(221) Using of Finite Element Method, numerical simulation of cold pressure welding processes was done.

(222) With continuous welding, spot welding and discontinuous welding functions, meet different welding requirements.

(223) Based on the combustion characteristics of oxyhydrogen flame, a new flash-back arrestor faced on oxyhydrogen flame applied for oxyhydrogen welding and cutting equipment is designed.

(224) Perform monitoring, inspection and quality control at in-house and sub-contractor steel fabrication and welding section .

(225) The temperature field of steel stick in flash butt welding was discussed.

(226) This essay makes a basic description for future stud welding development trend.

(226) is a online sentence dictionary, on which you can find nice sentences for a large number of words.

(227) Welding agent is a kind of medicament that is used to help welding, and improve quality.

(228) Based on the study on the analogously controlled and microcomputer controlled power source, a new 8098 single-chip microcomputer controlled welding machine is developed for the pulse TIG welding.

(229) By comparison with manual arc welding, it is found that the thermit welding is a efficiency, energy saving and high quality process for repair welding of steel ingot die.

(230) A special design to produce 2-5 layers bonding from feeding raw material, ultrasonic welding, slitting to rewinding filter bag with automatic mechanism.

(231) The invention relates to recycle and reuse technology of electronic castoff, in particular to a method and a device to remove the element and separate the welding material from the circuit board.

(232) The results from the experiments had exhibited that the arc digging action of SCR rectifier is the same as that of DC arc welding generator.

(233) Suitable model was established to simulate the temperature distribution of TIG welding of T-joint sheets using ABAQUS code. Temperature dependant material properties were considered in the simulation.

(234) It is more complex than two - board butt joint welding and it has no symmetry.

(235) Screed is an important part of a paver. Welding distortion and difficulty to ensure machining accuracy have been a hard nut to crack in manufacturing processes of screeds.

(236) Study on the Joint Deformation and the Interface Contaminant Ejection Rate in DC Upset Butt Welding.

(237) Also, the characteristic, filtration and vent of welding fume is described.

(238) In the welding engineering of large-scale pipe structures, the assembly precision and the branch pipe cutting curve of two intersecting pipes haven't been settled for a long time.

(239) Based on the model, analysis and revising in frequency domain, several parameters are taken around the theoretical revising parameter , both resistance load and welding experiments are carried out.

(240) Weld crack resistance tests were carried out to compare the weldability of titanic acid A102 welding electrode and titanium calcium A102 welding electrode.

(241) In welding zone the lath shape microstructure reduces, and equiaxed microstructure increases.

(242) Available for welding of low-carbon steel and alloy steel; aluminium alloy taking argon as shielding gas.

(243) The illinium electrode produces a slim arc when used in welding. With a high level of compression, it has a bigger melting depth in medium and high currents.

(244) This article introduce the application of mobile rail gas pressure welding technology in the track maintenance of Shanghai Metro, and bring forward this technology is applicable and worthy to spread.

(245) An arc welding robot control system based on CAN bus is introduced.

(246) Good weldability, suitable for resistance welding, preheating before welding required, be tempering after welding.

(247) FIG. 2 is a side elevation to a larger scale showing part of a workpiece being built up by welding and part of the welding apparatus.

(248) This paper states the design of a kind of practical digital controller of pneumatic spot welding machine.

(249) A series of stress waves was successfully detected on explosive welding site, using piezoelectric crystal sensors pre positioned at different depth of soil anvil.

(250) The article discussed the feasibility of micro - plasma arc welding Co - Cr alloy for oral cavity repair.

(251) It can use alternative electric welding machine or direct electric welding machine while the usage current is 140-160A.

(252) Outside magnetic field control to spatter of CO 2 arc welding.

(253) The welding roller carrier can also complement the manual weld or act as a device for detecting and assembling the tube-shaped workpiece.

(254) Special Metals is a unique network Butt welding process and results.

(255) Submerged-arc welding experiments of pipeline steel were carried out using two kinds of newly-developed welding wire with appropriate welding process.

(256) The welding machine itself have simple argon arc welding function.

(257) P This Eurocode applies to ribbed and weldable reinforcement,[] including fabric. The permitted welding methods are given in Table 3.4.

(258) The invention relates to a Cu-Al pipe welding joint, a preparation method and a special core rod thereof.

(259) Adjust the welding machine, evaluation and concerned WI and machine operation instruction.

(260) If you saw too much arc light when welding, it is better to cover you eyes with an iced towel before sleeping and not watching TV. This can help prevent your eyes from aching.

(261) The CO2 laser beam welding has high energy density and low heat input characteristics, so the cooling rate of the weld metal is high.

(262) Welding control device adopts microcomputer for process control, arc striking, welding, arc extinguishing control, auto arc voltage control and auto tracking of welding seams.

(263) The results showed that there are good comprehensive mechanical properties in the geological drill rod welded by friction welding.

(264) Major in mechanized welding or other related field from university.

(265) To improve electric function of the foil type capacitors , the processing cutting , winding , hot-pressing , welding and immersion was investigated.

(266) This paper summarizes oil vapor cleaning method, isolation method and the key points of implementation during the welding of oil depot equipment.

(267) The manual welding welded joint inoxidizability surpasses the ultra narrow gap welding joint.

(268) Note:two-blade ball valve has two connection ways of butt-welding(BW)and socket welding(SW), and may be equipped with the bracket and lock device in conformity with ISO.

(269) This paper studied mainly multi-T joint test data. By analysis test data, gave experience equation for transverse distortion of T-joint welding structure.

(270) A welder's electrode holder welding torch helmet shield portable electrode heating box and temperature measuring pen.