APPARATUS AND METHOD OF MONITORING DEFORMATION OF WELD STRUCTURE
PROBLEM TO BE SOLVED: To control execution of welding and heat treatment by monitoring stepwise, during the execution, deformation and stress of a weld structure which is being executed for welding and heat treatment. SOLUTION: The monitoring apparatus includes: a displacement gauge 11 for measuring...
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| creator | SAITO KAZUHIRO ASAI SATORU SATO SHINSAKU |
| description | PROBLEM TO BE SOLVED: To control execution of welding and heat treatment by monitoring stepwise, during the execution, deformation and stress of a weld structure which is being executed for welding and heat treatment. SOLUTION: The monitoring apparatus includes: a displacement gauge 11 for measuring displacement on the surface of a weld structure 1; a deformation calculating device 12 for calculating deformation amount of the weld structure from the data or the like of the displacement gauge; a thermometer 13 for measuring the surface temperature of the weld structure; a temperature distribution calculating device 14 for measuring temperature distribution of the weld structure from the data or the like of the thermometer; and a determining device 15 for determining a welding deformation of the weld structure during the execution of the welding. The determining device is composed of: a first arithmetic unit 18 for estimating thermal deformation amount by linear expansion of the weld structure; a second arithmetic unit for computing true welding deformation amount by subtracting the estimation of the thermal deformation amount from the deformation amount of the weld structure; and a determining unit 20 for determining success or failure of welding by comparing the true welding deformation amount and an allowable value of the welding deformation amount. COPYRIGHT: (C)2010,JPO&INPIT |
| format | Patent |
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SOLUTION: The monitoring apparatus includes: a displacement gauge 11 for measuring displacement on the surface of a weld structure 1; a deformation calculating device 12 for calculating deformation amount of the weld structure from the data or the like of the displacement gauge; a thermometer 13 for measuring the surface temperature of the weld structure; a temperature distribution calculating device 14 for measuring temperature distribution of the weld structure from the data or the like of the thermometer; and a determining device 15 for determining a welding deformation of the weld structure during the execution of the welding. The determining device is composed of: a first arithmetic unit 18 for estimating thermal deformation amount by linear expansion of the weld structure; a second arithmetic unit for computing true welding deformation amount by subtracting the estimation of the thermal deformation amount from the deformation amount of the weld structure; and a determining unit 20 for determining success or failure of welding by comparing the true welding deformation amount and an allowable value of the welding deformation amount. 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SOLUTION: The monitoring apparatus includes: a displacement gauge 11 for measuring displacement on the surface of a weld structure 1; a deformation calculating device 12 for calculating deformation amount of the weld structure from the data or the like of the displacement gauge; a thermometer 13 for measuring the surface temperature of the weld structure; a temperature distribution calculating device 14 for measuring temperature distribution of the weld structure from the data or the like of the thermometer; and a determining device 15 for determining a welding deformation of the weld structure during the execution of the welding. The determining device is composed of: a first arithmetic unit 18 for estimating thermal deformation amount by linear expansion of the weld structure; a second arithmetic unit for computing true welding deformation amount by subtracting the estimation of the thermal deformation amount from the deformation amount of the weld structure; and a determining unit 20 for determining success or failure of welding by comparing the true welding deformation amount and an allowable value of the welding deformation amount. 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SOLUTION: The monitoring apparatus includes: a displacement gauge 11 for measuring displacement on the surface of a weld structure 1; a deformation calculating device 12 for calculating deformation amount of the weld structure from the data or the like of the displacement gauge; a thermometer 13 for measuring the surface temperature of the weld structure; a temperature distribution calculating device 14 for measuring temperature distribution of the weld structure from the data or the like of the thermometer; and a determining device 15 for determining a welding deformation of the weld structure during the execution of the welding. The determining device is composed of: a first arithmetic unit 18 for estimating thermal deformation amount by linear expansion of the weld structure; a second arithmetic unit for computing true welding deformation amount by subtracting the estimation of the thermal deformation amount from the deformation amount of the weld structure; and a determining unit 20 for determining success or failure of welding by comparing the true welding deformation amount and an allowable value of the welding deformation amount. COPYRIGHT: (C)2010,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CLADDING OR PLATING BY SOLDERING OR WELDING CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS REGULATING SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | APPARATUS AND METHOD OF MONITORING DEFORMATION OF WELD STRUCTURE |
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