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(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) Sentencedict.com 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.