| Name: | Description: | Size: | Format: | |
|---|---|---|---|---|
| 5.28 MB | Adobe PDF |
Advisor(s)
Abstract(s)
As grandes insdústrias têm cada vez mais uma grande preocupação com a qualidade dos seus
produtos e consequentemente, uma redução nas falhas e reclamações. Atualmente pode dizer-se que
qualidade significa controlo do processo e do produto. Isto só será possível fazendo um controlo
metrológico de todos os equipamentos de medição, de forma a garantir que estes estão em
conformidade com os requisitos. Assim a metrologia apresenta um papel fundamental na qualidade.
A existência de um laboratório, devidamente certificado, facilita o controlo e permite uma
redução de custos associados às calibrações feitas por entidades externas ou até pelos próprios
fabricantes.
Cabe à metrologia a aplicação dos estudos MSA (Measurement System Analysis) que é um
método de análise estatístico requisito da norma ISO/TS 16949. Este método permite assegurar o
controlo estatístico de todos os equipamentos e sistemas de medição.
O presente relatório foi realizado com base nos resultados dos estudos efetuados durante o
estágio na Continental Mabor.
Os dois primeiros meses do estágio constaram da minha integração no laboratório de
metrologia. O trabalho desenvolvido neste laboratório incluiu calibrações rotineiras do laboratório:
sondas de temperatura, manómetros de pressão, transdutores, comparadores, fitas métricas, balanças,
durómetros, paquímetros e equipamentos mais específicos tipo perfilómetros, medidores de pH e
células de carga das máquinas de uniformidade.
Durante o restante tempo do estágio foram realizados diversos testes que tinham por objetivo
avaliar as máquinas de marcação do pneu que incluíam uma máquina que possuía um método
inovador de marcação de pneus e todas as outras máquinas de marcação de uniformidade que já
possuíam um processo de marcação. A avaliação efetuada foi baseada nas ferramentas do MSA e teve
como consequência a aprovação da “nova” máquina e escolha do melhor método de marcação nas
máquinas de uniformidade.
Increasingly there is a part of the big industries a concern with the quality of their products and therefore, a reduction in failures and complaints. Currently, quality means control of the process and the product. For this, it is necessary to ensure a metrological control of all measuring equipment, in order to ensure that these are in accordance with the requirements. The metrology presents a fundamental role in quality. The existence of a laboratory, duly certified, facilitates the monitoring and allows a reduction of costs associated with the calibrations performed by external entities or even by the manufacturers themselves The application of metrology studies MSA (Measurement System Analysis) which is a method of statistical analysis requirement of ISO/TS 16949. This method makes it possible to ensure the statistical control of all measurement equipment and systems. This report was produced based on the results of the studies carried out during the internship in Continental Mabor. The first two months of the training course consisted of my integration into metrology laboratory. The work carried out in this laboratory included routine calibrations of laboratory: calibration of temperature sensors, pressure gauges, transducers, comparators, tapes, scales, micrometers, durometers and equipment more specific type perfilometers, pH meters, load cells of uniformity machines. During the remaining time of the traineeship were performed several tests that aimed to evaluate the tire marking machines which included a machine that possessed an innovative method of marking tyres and all other machines of uniformity that already owned a markup process. The avaliation was based on the MSA tools and has resulted in the adoption of the "new" machine and choose the best method of marking on the uniformity machines.
Increasingly there is a part of the big industries a concern with the quality of their products and therefore, a reduction in failures and complaints. Currently, quality means control of the process and the product. For this, it is necessary to ensure a metrological control of all measuring equipment, in order to ensure that these are in accordance with the requirements. The metrology presents a fundamental role in quality. The existence of a laboratory, duly certified, facilitates the monitoring and allows a reduction of costs associated with the calibrations performed by external entities or even by the manufacturers themselves The application of metrology studies MSA (Measurement System Analysis) which is a method of statistical analysis requirement of ISO/TS 16949. This method makes it possible to ensure the statistical control of all measurement equipment and systems. This report was produced based on the results of the studies carried out during the internship in Continental Mabor. The first two months of the training course consisted of my integration into metrology laboratory. The work carried out in this laboratory included routine calibrations of laboratory: calibration of temperature sensors, pressure gauges, transducers, comparators, tapes, scales, micrometers, durometers and equipment more specific type perfilometers, pH meters, load cells of uniformity machines. During the remaining time of the traineeship were performed several tests that aimed to evaluate the tire marking machines which included a machine that possessed an innovative method of marking tyres and all other machines of uniformity that already owned a markup process. The avaliation was based on the MSA tools and has resulted in the adoption of the "new" machine and choose the best method of marking on the uniformity machines.
Description
Keywords
Controlo metrológico Equipamentos de medição Marcação de pneus MSA (Measurement System Analysis)