National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Production of the “ Hauling lug pawl“ component
Jansa, Slavomír ; Ohnišťová, Petra (referee) ; Žák, Ladislav (advisor)
This magister thesis focuses on possibilities of replacement of milled Hauling lug pawl by cheaper component made by MIM technology with additional chemical-thermal treatment. Two thirds of costs should be saved if application is fruitful. Despite huge mix of combinations of steel ASTM-A29-AISI 8620, ASTM-A29-AISI 4140 and chemical-thermal treatment, no combination was successful. Several series of samples have been created but not even the use of HIP and ARCOR technology helped to pass circuit breaker storage life tests. Successful application of MIM technology would require additional design changes or choice of different suitable part.
Production of the “ Hauling lug pawl“ component
Jansa, Slavomír ; Ohnišťová, Petra (referee) ; Žák, Ladislav (advisor)
This magister thesis focuses on possibilities of replacement of milled Hauling lug pawl by cheaper component made by MIM technology with additional chemical-thermal treatment. Two thirds of costs should be saved if application is fruitful. Despite huge mix of combinations of steel ASTM-A29-AISI 8620, ASTM-A29-AISI 4140 and chemical-thermal treatment, no combination was successful. Several series of samples have been created but not even the use of HIP and ARCOR technology helped to pass circuit breaker storage life tests. Successful application of MIM technology would require additional design changes or choice of different suitable part.

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