Theknowledgeofindirectanddirectextrusionprocessenablesustopropose completeproductionlines,includingthefabricationoftheextrusiondies.Forthe indirectextrusionofhardaluminiumalloys,wehavedevelopedadvanced thermomechanicalprocessingstepstoreducetheworkinprogresstimes,the direct production costs and increase the finished product yeld.
Melt Shop
Aluminiumismoltenwithdoublechamberfurnacesequippedwithlow frequencyinductionstirrers.Thedoublechamberfurnacesthatweprovide complywiththehigheststandardsoftheIndustryasfarasefficiencyandmetal yieldsareconcerned.Theeliminationofimpuritiessuchasoxidesandhydrogen isachievedbyaspecialpositioningofthedegassingunitsalongthetransfer launderandbythetransfermethod.AlloyedbilletsareusuallyproducedwithHot Top DC casters with a specific technology depending on diameter and alloy.
Wesellgasfiredandinductionheaters,inlineorstandalone,fortheAluminium and Copper billets heating.WealsosupplysolutionquenchovensforthehardAluminiumalloyssolution treatment capable to operate in continuous mode or as a batch chamber.
Seamless Tubes And Hollow Bars In Hard Aluminium Alloy
SeamlesstubesandhollowbarsinhardAluminiumalloyscanbeproducedwith lowconversioncoststocompeteinpricewiththehardAluminiumalloysolid bars.Solidbarsmayneedtobedrilledtofabricatemechanicalcomponents:the drillingoperationinvolvesanadditionalfabricationcostandahigherscraprate ascomparedtotheuseofseamlesstubesandhollows.TheIndustry,in particulartheautomotiveanddefence,canbenefitalotfromusinglowcost seamless tubes and hollows:1>Reduced weight of the structural components.2>Reduced fabrication costs and scrap rate.3>Higherconsistencyandreliabilityoftheseamlesshollowsascomparedtothe chamber welded hollows.ThenewlowcostproductionprocessofhardAluminiumalloyseamlesstubes andhollowbarscanopennewhorizonsfortheentirerangeofhardAluminium alloysinnewfieldsofapplicationswhereuntilnowthehighcosthasbeenthe limitingfactortotheobvioustechnicaladvantages.SomeoftheAluminiumhard alloys: AA 2011, AA 2007, AA 2014, AA 2024, AA 7010, AA 7075.
WearegraphitespecialistsandwedistributegraphiteelectrodesforthearcfurnacesbothEAFandLF. We also supply laser cut metal parts, 2D and 3D.
Primary Aluminium
TheapplicationofGraphiteCathodeblocksinthePrimaryAluminiumIndustryhasinducedustodevelop inpartnershipwithKANNAKSA,arecognizedworldleaderintheAluminiumelectrolysisprocess modeling,anewconceptofcollectorbarmadeofcoppertoextractcurrentfromthecell.Thenew technologyhasbeencoveredbyinternationalpatent.Theinstallationsofthenewcollectorbarinsome cellunitshasconfirmedthepotentialofelectricalenergyreduction,theincreaseofthemagneto-hydro-dinamicstabilityofthecellandthepotentialtoincreasecurrentandcurrentefficiency.The development,theindustrializationandthesaleofthenewcathodecollectorbarwasassignedto NOVALUM SA – www.novalum.ch
Indirect and Direct Extrusion
Theknowledgeofindirectanddirectextrusionprocessenablesustoproposecompleteproductionlines, includingthefabricationoftheextrusiondies.Fortheindirectextrusionofhardaluminiumalloys,we havedevelopedadvancedthermomechanicalprocessingstepstoreducetheworkinprogresstimes,the direct production costs and increase the finished product yeld.
Melt Shop
Aluminiumismoltenwithdoublechamberfurnacesequippedwithlowfrequencyinductionstirrers.The doublechamberfurnacesthatweprovidecomplywiththehigheststandardsoftheIndustryasfaras efficiencyandmetalyieldsareconcerned.Theeliminationofimpuritiessuchasoxidesandhydrogenis achievedbyaspecialpositioningofthedegassingunitsalongthetransferlaunderandbythetransfer method.AlloyedbilletsareusuallyproducedwithHotTopDCcasterswithaspecifictechnology depending on diameter and alloy.
Hydroforming - Heatforming
Thehardalloytubesarehydroformedbytheinjectionofahighpressurefluid.Thehydroformingat roomtemperaturelimitsthedeformationsachievable.Toincreasethedeformationratewithoutgoing beyondtheelongationlimitsahothydroformingprocesswasdeveloped:thetubeispreheatedat300-400°Candhotformedbyinjectingagasatthepressureofabout300bar.Thehotdeformedtubeisnot workhardenedandcanbequenchedinairorwatertoachievethefinalmechanicalproperties.Thehot hydroformingprocessissuccessfullyusedintheautomotive,thefurnitureandthedefenseindustry.The patented process is named HEAT FORMING .
Thermal Treatments
Wesellgasfiredandinductionheaters,inlineorstandalone,fortheAluminiumandCopperbillets heating.WealsosupplysolutionquenchovensforthehardAluminiumalloyssolutiontreatmentcapableto operate in continuous mode or as a batch chamber.
Seamless Tubes And Hollow Bars In Hard Aluminium Alloy
SeamlesstubesandhollowbarsinhardAluminiumalloyscanbeproducedwithlowconversioncoststo competeinpricewiththehardAluminiumalloysolidbars.Solidbarsmayneedtobedrilledtofabricate mechanicalcomponents:thedrillingoperationinvolvesanadditionalfabricationcostandahigherscrap rateascomparedtotheuseofseamlesstubesandhollows.TheIndustry,inparticulartheautomotive and defence, can benefit a lot from using low cost seamless tubes and hollows:1>Reduced weight of the structural components.2>Reduced fabrication costs and scrap rate.3>Higherconsistencyandreliabilityoftheseamlesshollowsascomparedtothechamberwelded hollows.ThenewlowcostproductionprocessofhardAluminiumalloyseamlesstubesandhollowbarscanopen newhorizonsfortheentirerangeofhardAluminiumalloysinnewfieldsofapplicationswhereuntilnow thehighcosthasbeenthelimitingfactortotheobvioustechnicaladvantages.SomeoftheAluminium hard alloys: AA 2011, AA 2007, AA 2014, AA 2024, AA 7010, AA 7075.
Theknowledgeofindirectanddirectextrusionprocessenablesustopropose completeproductionlines,includingthefabricationoftheextrusiondies.Forthe indirectextrusionofhardaluminiumalloys,wehavedevelopedadvanced thermomechanicalprocessingstepstoreducetheworkinprogresstimes,the direct production costs and increase the finished product yeld.
Melt Shop
Aluminiumismoltenwithdoublechamberfurnacesequippedwithlowfrequency inductionstirrers.Thedoublechamberfurnacesthatweprovidecomplywiththe higheststandardsoftheIndustryasfarasefficiencyandmetalyieldsare concerned.Theeliminationofimpuritiessuchasoxidesandhydrogenis achievedbyaspecialpositioningofthedegassingunitsalongthetransfer launderandbythetransfermethod.AlloyedbilletsareusuallyproducedwithHot Top DC casters with a specific technology depending on diameter and alloy.
Wesellgasfiredandinductionheaters,inlineorstandalone,fortheAluminium and Copper billets heating.WealsosupplysolutionquenchovensforthehardAluminiumalloyssolution treatment capable to operate in continuous mode or as a batch chamber.
Seamless Tubes And Hollow Bars In Hard Aluminium Alloy
SeamlesstubesandhollowbarsinhardAluminiumalloyscanbeproducedwith lowconversioncoststocompeteinpricewiththehardAluminiumalloysolid bars.Solidbarsmayneedtobedrilledtofabricatemechanicalcomponents:the drillingoperationinvolvesanadditionalfabricationcostandahigherscraprate ascomparedtotheuseofseamlesstubesandhollows.TheIndustry,inparticular theautomotiveanddefence,canbenefitalotfromusinglowcostseamlesstubes and hollows:1>Reduced weight of the structural components.2>Reduced fabrication costs and scrap rate.3>Higherconsistencyandreliabilityoftheseamlesshollowsascomparedto the chamber welded hollows.ThenewlowcostproductionprocessofhardAluminiumalloyseamlesstubes andhollowbarscanopennewhorizonsfortheentirerangeofhardAluminium alloysinnewfieldsofapplicationswhereuntilnowthehighcosthasbeenthe limitingfactortotheobvioustechnicaladvantages.SomeoftheAluminiumhard alloys: AA 2011, AA 2007, AA 2014, AA 2024, AA 7010, AA 7075.