Anais do Seminário de Laminação, Conformação de Metais e Produtos


ISSN 2594-5297

Título

MELHORIA NO ACERTO DE LARGURA COM A IMPLANTAÇÃO DO NOVO SETUP DO MODELO DOS LAMINADORES DESBASTADORES (RCC)

IMPROVEMENT IN WIDTH SETTING WITH THE IMPLEMENTATION OF THE NEW SETUP MODEL OF THE ROUGHING MILLS (RCC)

DOI

10.5151/2594-5297-35011

Downloads

17 Downloads

Resumo

O DESBASTE É UMA ETAPA INICIAL DE CONFORMAÇÃO EM UMA LINHA DE TIRAS A QUENTE, ONDE LHE SÃO DELEGADAS AS RESPONSABILIDADES DE CONTRIBUIÇÃO NO ACERTO DIMENSIONAL, TEMPERATURA DO ENTRADA NO TREM ACABADOR, FORMA E PLANICIDADE DO ESBOÇO. O DESBASTE DO LTQ DE IPATINGA CONTA COM UM MODELO MATEMÁTICO PARA CÁLCULO DAS CONDIÇÕES INICIAIS DE LAMINAÇÃO (SETUP), COMO VELOCIDADES E ABERTURA DOS CILINDROS DOS LAMINADORES, HORIZONTAIS E VERTICAIS, EM TODOS OS PASSES DE LAMINAÇÃO. AS VARIAÇÕES DE LARGURA DE PLACA E DE ALARGAMENTO DURANTE A DEFORMAÇÃO, TORNAM UM DESAFIO O CONTROLE E ACERTO DA LARGURA FINAL DO PRODUTO DENTRO DAS TOLERÂNCIAS DOS CLIENTES, EM FUNÇÃO DAS REDUÇÕES DE LARGURA REALIZADA PELOS LAMINADORES VERTICAIS. O ACERTO DE FORMA CONTRIBUI DIRETAMENTE PARA MAXIMIZAR O RENDIMENTO DE LAMINAÇÃO NOS PROCESSOS POSTERIORES. O MELHOR CAMINHO PARA REALIZAR ESTE AJUSTE É ATRAVÉS DO MODELO DE CÁLCULO DO SETUP DOS LAMINADORES, CONSIDERANDO ANTECIPADAMENTE ESTE FENÔMENO DE ALARGAMENTO NO CÁLCULO DA ABERTURA DOS LAMINADORES VERTICAIS, COM O FOCO EM MINIMIZAR AS INTERVENÇÕES DO OPERADOR NO GAP PARA CORREÇÃO DA LARGURA. NESTE TRABALHO SERÃO APRESENTADOS OS RESULTADOS DA IMPLANTAÇÃO DO AJUSTE NO MODELO DE SETUP DOS LAMINADORES VERTICAIS, BEM COMO A MELHORIA DOS VALORES DE UNIFORMIDADE DA LARGURA OBTIDA.

 

THE ROUGHING MILL IS AN INITIAL STAGE TO FORMING IN A HOT STRIP MILL (HSM), RESPONSIBLE FOR THE DIMENSIONAL ADJUSTMENT, FINISHING TRAIN INPUT TEMPERATURE AND THE SHAPE/ FLATNESS TO THE SLAB. THE ROUGHING MILL IN USIMINAS IPATINGA USES A MATHEMATICAL MODEL FOR CALCULATING THE INITIAL ROLLING CONDITIONS (SETUP), FOR SPEED AND OPENING OF HORIZONTAL AND VERTICAL ROLLING MILL CYLINDERS (GAP). THE WIDTH VARIATIONS IN SLAB AND LATERAL SPREAD DURING DEFORMATION ARE COMPLEX PARAMETERS TO ADJUST AND CONTROL IN THE FINAL DIMENSION WIDTH WITHIN THE CUSTOMERS TOLERANCES PRODUCTS, DUE TO THE WIDTH REDUCTIONS MADE BY VERTICAL ROLLING. ALSO THE SHAPE ACCURACY CONTRIBUTES DIRECTLY TO MAXIMIZE THE ROLLING PERFORMANCE IN THE SUBSEQUENT PROCESSES, AND THE BEST WAY TO DO THIS IS THROUGH THE SETUP MODEL OF THE ROLLING MILLS, CONSIDERING IN ADVANCE THE LATERAL SPREAD PHENOMENON FOR THE CALCULATION OF THE VERTICAL ROLLING MILLS OPENING. IN THIS WAY IT IS POSSIBLE TO MINIMIZE THE OPERATOR INTERVENTIONS IN THE GAP, TO CORRECT THE WIDTH. IN THIS WORK, IMPROVE THIS RESULTS FOR THE ADJUSTMENT SETUP MODEL BY VERTICAL ROLLING WILL BE PRESENTED, AS WELL AS THE UNIFORMITY IMPROVEMENT VALUES TO OBTAINED WIDTH.

Palavras-chave

Laminação de desbaste, acerto de largura, uniformidade da largura, modelo de controle.

Roughing rolling; Width adjustment; Width uniformity; Control model.

Como citar

Giacomin, Cristovao Nery; Souza, Priscila Batista Dias; Cruz, Rodrigues Teixeira da. MELHORIA NO ACERTO DE LARGURA COM A IMPLANTAÇÃO DO NOVO SETUP DO MODELO DOS LAMINADORES DESBASTADORES (RCC) , p. 547-556. In: 57° Seminário de Laminação e Conformação de Metais, São Paulo, 2022.
ISSN: 2594-5297 , DOI 10.5151/2594-5297-35011

Whoops, looks like something went wrong.

(1/1) ErrorException

fwrite(): write of 1826 bytes failed with errno=28 No space left on device

in StreamHandler.php line 131
at HandleExceptions->handleError(8, 'fwrite(): write of 1826 bytes failed with errno=28 No space left on device', '/var/www/webroot/ROOT/vendor/monolog/monolog/src/Monolog/Handler/StreamHandler.php', 131, array('stream' => resource, 'record' => array('message' => 'file_put_contents(): write of 365 bytes failed with errno=28 No space left on device', 'context' => array('exception' => object(ErrorException)), 'level' => 400, 'level_name' => 'ERROR', 'channel' => 'production', 'datetime' => object(DateTime), 'extra' => array(), 'formatted' => '[2025-05-31 10:10:58] production.ERROR: file_put_contents(): write of 365 bytes failed with errno=28 No space left on device {"exception":"[object] (ErrorException(code: 0): file_put_contents(): write of 365 bytes failed with errno=28 No space left on device at /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:122)[stacktrace]#0 [internal function]: Illuminate\\\\Foundation\\\\Bootstrap\\\\HandleExceptions->handleError(8, \'file_put_conten...\', \'/var/www/webroo...\', 122, Array)#1 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(122): file_put_contents(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', 2)#2 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/FileSessionHandler.php(83): Illuminate\\\\Filesystem\\\\Filesystem->put(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', true)#3 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Store.php(128): Illuminate\\\\Session\\\\FileSessionHandler->write(\'Ls3Hf6uXs3nCO5P...\', \'a:5:{s:6:\\"_toke...\')#4 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(87): Illuminate\\\\Session\\\\Store->save()#5 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(218): Illuminate\\\\Session\\\\Middleware\\\\StartSession->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#6 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(189): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminateMiddleware(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#7 /var/www/webroot/ROOT/public/index.php(59): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#8 {main}"} ')))
at fwrite(resource, '[2025-05-31 10:10:58] production.ERROR: file_put_contents(): write of 365 bytes failed with errno=28 No space left on device {"exception":"[object] (ErrorException(code: 0): file_put_contents(): write of 365 bytes failed with errno=28 No space left on device at /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:122)[stacktrace]#0 [internal function]: Illuminate\\\\Foundation\\\\Bootstrap\\\\HandleExceptions->handleError(8, \'file_put_conten...\', \'/var/www/webroo...\', 122, Array)#1 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(122): file_put_contents(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', 2)#2 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/FileSessionHandler.php(83): Illuminate\\\\Filesystem\\\\Filesystem->put(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', true)#3 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Store.php(128): Illuminate\\\\Session\\\\FileSessionHandler->write(\'Ls3Hf6uXs3nCO5P...\', \'a:5:{s:6:\\"_toke...\')#4 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(87): Illuminate\\\\Session\\\\Store->save()#5 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(218): Illuminate\\\\Session\\\\Middleware\\\\StartSession->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#6 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(189): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminateMiddleware(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#7 /var/www/webroot/ROOT/public/index.php(59): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#8 {main}"} ')in StreamHandler.php line 131
at StreamHandler->streamWrite(resource, array('message' => 'file_put_contents(): write of 365 bytes failed with errno=28 No space left on device', 'context' => array('exception' => object(ErrorException)), 'level' => 400, 'level_name' => 'ERROR', 'channel' => 'production', 'datetime' => object(DateTime), 'extra' => array(), 'formatted' => '[2025-05-31 10:10:58] production.ERROR: file_put_contents(): write of 365 bytes failed with errno=28 No space left on device {"exception":"[object] (ErrorException(code: 0): file_put_contents(): write of 365 bytes failed with errno=28 No space left on device at /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:122)[stacktrace]#0 [internal function]: Illuminate\\\\Foundation\\\\Bootstrap\\\\HandleExceptions->handleError(8, \'file_put_conten...\', \'/var/www/webroo...\', 122, Array)#1 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(122): file_put_contents(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', 2)#2 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/FileSessionHandler.php(83): Illuminate\\\\Filesystem\\\\Filesystem->put(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', true)#3 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Store.php(128): Illuminate\\\\Session\\\\FileSessionHandler->write(\'Ls3Hf6uXs3nCO5P...\', \'a:5:{s:6:\\"_toke...\')#4 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(87): Illuminate\\\\Session\\\\Store->save()#5 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(218): Illuminate\\\\Session\\\\Middleware\\\\StartSession->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#6 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(189): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminateMiddleware(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#7 /var/www/webroot/ROOT/public/index.php(59): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#8 {main}"} '))in StreamHandler.php line 117
at StreamHandler->write(array('message' => 'file_put_contents(): write of 365 bytes failed with errno=28 No space left on device', 'context' => array('exception' => object(ErrorException)), 'level' => 400, 'level_name' => 'ERROR', 'channel' => 'production', 'datetime' => object(DateTime), 'extra' => array(), 'formatted' => '[2025-05-31 10:10:58] production.ERROR: file_put_contents(): write of 365 bytes failed with errno=28 No space left on device {"exception":"[object] (ErrorException(code: 0): file_put_contents(): write of 365 bytes failed with errno=28 No space left on device at /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:122)[stacktrace]#0 [internal function]: Illuminate\\\\Foundation\\\\Bootstrap\\\\HandleExceptions->handleError(8, \'file_put_conten...\', \'/var/www/webroo...\', 122, Array)#1 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(122): file_put_contents(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', 2)#2 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/FileSessionHandler.php(83): Illuminate\\\\Filesystem\\\\Filesystem->put(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', true)#3 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Store.php(128): Illuminate\\\\Session\\\\FileSessionHandler->write(\'Ls3Hf6uXs3nCO5P...\', \'a:5:{s:6:\\"_toke...\')#4 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(87): Illuminate\\\\Session\\\\Store->save()#5 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(218): Illuminate\\\\Session\\\\Middleware\\\\StartSession->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#6 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(189): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminateMiddleware(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#7 /var/www/webroot/ROOT/public/index.php(59): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#8 {main}"} '))in AbstractProcessingHandler.php line 39
at AbstractProcessingHandler->handle(array('message' => 'file_put_contents(): write of 365 bytes failed with errno=28 No space left on device', 'context' => array('exception' => object(ErrorException)), 'level' => 400, 'level_name' => 'ERROR', 'channel' => 'production', 'datetime' => object(DateTime), 'extra' => array(), 'formatted' => '[2025-05-31 10:10:58] production.ERROR: file_put_contents(): write of 365 bytes failed with errno=28 No space left on device {"exception":"[object] (ErrorException(code: 0): file_put_contents(): write of 365 bytes failed with errno=28 No space left on device at /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php:122)[stacktrace]#0 [internal function]: Illuminate\\\\Foundation\\\\Bootstrap\\\\HandleExceptions->handleError(8, \'file_put_conten...\', \'/var/www/webroo...\', 122, Array)#1 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Filesystem/Filesystem.php(122): file_put_contents(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', 2)#2 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/FileSessionHandler.php(83): Illuminate\\\\Filesystem\\\\Filesystem->put(\'/var/www/webroo...\', \'a:5:{s:6:\\"_toke...\', true)#3 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Store.php(128): Illuminate\\\\Session\\\\FileSessionHandler->write(\'Ls3Hf6uXs3nCO5P...\', \'a:5:{s:6:\\"_toke...\')#4 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Session/Middleware/StartSession.php(87): Illuminate\\\\Session\\\\Store->save()#5 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(218): Illuminate\\\\Session\\\\Middleware\\\\StartSession->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#6 /var/www/webroot/ROOT/vendor/laravel/framework/src/Illuminate/Foundation/Http/Kernel.php(189): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminateMiddleware(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#7 /var/www/webroot/ROOT/public/index.php(59): Illuminate\\\\Foundation\\\\Http\\\\Kernel->terminate(Object(Illuminate\\\\Http\\\\Request), Object(Illuminate\\\\Http\\\\Response))#8 {main}"} '))in Logger.php line 344
at Logger->addRecord(400, 'file_put_contents(): write of 365 bytes failed with errno=28 No space left on device', array('exception' => object(ErrorException)))in Logger.php line 707
at Logger->error('file_put_contents(): write of 365 bytes failed with errno=28 No space left on device', array('exception' => object(ErrorException)))in Writer.php line 203
at Writer->writeLog('error', 'file_put_contents(): write of 365 bytes failed with errno=28 No space left on device', array('exception' => object(ErrorException)))in Writer.php line 114
at Writer->error('file_put_contents(): write of 365 bytes failed with errno=28 No space left on device', array('exception' => object(ErrorException)))in Handler.php line 113
at Handler->report(object(ErrorException))in Handler.php line 100
at Handler->report(object(ErrorException))in HandleExceptions.php line 81
at HandleExceptions->handleException(object(ErrorException))