New ＹＳＳ高級ダイカスト金型用鋼 - 日立金属

Actual PerformanceDiecast Products Machine CapaSteel Gradedie size mmComparision of Actural Performance Current ApplicationEffectAutoparts surface priorityPrimary heat crack at 37K shotsPrimary heat crack at 50K shots1.35 timesAutopartsInsertheat cracksLess heat cracksMore than1.5 timesAutopartsWJ InsertLife span of DAC55, DAC10, material Aand material B are 20K- 50K shots.Still on service after 100K shotsAbout2 timesAutopartsLife span of other company material(46-47HRC) is 29K shotsStill on service after 62K shotsMore than2.1 timesAutoparts surface priorityHeat crack at 60K shotsStill on service after 100K shotsMore than1.6 timesAutoparts (thin insert)n.a.Breakage at 20K shotsMore than 40K shots2 timesOA Components(precision die)Primary heat crack at 15Kshots, repair at 30K shots,scrap at 80K shotsPrimary heat crack at 24K shots,no griding repair,scrap at 120K shotsMore than1.6 timesOA Components(precision die)Primary bite at 1K shots,scrap at 30K shotsNo bite at 10K shotsMore than3 timesAutopartsInsert PinMeltdown and galling at 3K shotsStill on service after 10K shot3 timesHigh melting pointAl-alloy autopartsInsert PinBreakage at 2K shotsMeltdown at 20K shots10 times