NIST Special PublicationThe Institute, 2002 |
From inside the book
Results 1-5 of 37
Page 43
... performed was excluding sampled arc voltage readings from the average when sampled arc current was below peak levels . BLOCK DIAGRAM OF HIGH SPEED DATA ACQUISITION BOARD ΤΟ 80152 HOST ANALOG DEVICES ADSP2181 ANALOG DEVICES LM12454 ISO ...
... performed was excluding sampled arc voltage readings from the average when sampled arc current was below peak levels . BLOCK DIAGRAM OF HIGH SPEED DATA ACQUISITION BOARD ΤΟ 80152 HOST ANALOG DEVICES ADSP2181 ANALOG DEVICES LM12454 ISO ...
Page 47
... performed in high - speed rotating GMAW owing to a rapid movement of the welding torch . Consequently the rotating arc sensor operates in a dynamic state and the sensitivity of the sensor is greater than that of the conventional weaving ...
... performed in high - speed rotating GMAW owing to a rapid movement of the welding torch . Consequently the rotating arc sensor operates in a dynamic state and the sensitivity of the sensor is greater than that of the conventional weaving ...
Page 71
... perform joint finding , joint tracking , modified fill , contact - tip - to - work ( CTWD ) regulation , and weld symmetry control . Complex weld profile features such as weld symmetry and weld profile were addressed as reference ...
... perform joint finding , joint tracking , modified fill , contact - tip - to - work ( CTWD ) regulation , and weld symmetry control . Complex weld profile features such as weld symmetry and weld profile were addressed as reference ...
Page 75
... are made by the controller to the torch offset ( TO ) and / or work angle ( WA ) . The weld symmetry control task is performed by a fuzzy control algorithm . Desired Weld Symmetry Disturbing Inputs TO de Fuzzy Control WA 75.
... are made by the controller to the torch offset ( TO ) and / or work angle ( WA ) . The weld symmetry control task is performed by a fuzzy control algorithm . Desired Weld Symmetry Disturbing Inputs TO de Fuzzy Control WA 75.
Page 87
... performed by another group of molten pool images . INTRODUCTION Nowadays , industry is under constant and growing pressure for shortening the time - to - market lead time . Rapid prototyping ( RP ) techniques have been developed for ...
... performed by another group of molten pool images . INTRODUCTION Nowadays , industry is under constant and growing pressure for shortening the time - to - market lead time . Rapid prototyping ( RP ) techniques have been developed for ...
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Common terms and phrases
algorithm analysis angular distortion arc length arc voltage average current background duration boundary butt weldment calculated camera coefficient of variation detachment during peak developed droplet detachment dynamic effect electrode equation experimental Figure filler metal Friction Stir Welding geometry GMAW GMAW-P GTA weld GTAW hoop stress increase interface keyhole laser machine vision martensite material measured mechanical melting metal arc welding method microstructure mm/min mm/s mode molten pool monitoring NIST oscillation frequency peak duration penetration plasma arc welding plate predicted procedure pulsed current resetting residual stress robot rotational sensor shear stress shown in Fig splash strain structure surface technique Technology thermal types of droplet variation VPPAW waveform weld diameter weld fixture weld joint weld pool weld quality welding current Welding Journal welding parameters welding power supply welding process welding simulation welding speed width wire feed speed workpiece zone
Popular passages
Page ii - Certain commercial equipment, instruments, or materials are identified in this paper in order to adequately specify the experimental procedure. Such identification does not imply recommendation or endorsement by the National Institute of Standards and Technology, nor does it imply that the materials or equipment identified are necessarily the best available for the purpose.
Page 94 - Proceedings of the institution of Mechanical Engineers; Part B: Journal of Engineering Manufacture, Vol. 207, pp.9- 1 4, 1 993 [4] Soar RC and Dickens, PM, "Design of Laminated Tooling for High Pressure Die -Casting," Proceedings-SPIE The international society for Optical Engineering, pp.
Page 123 - Sandia is a multiprogram laboratory operated by Sandia Corporation, a Lockheed Martin Company, for the United States Department of Energy.