Iibhithi zesixhobo se-High-Speed Steel (HSS) yinxalenye ebalulekileyo yehlabathi lobuchwephesha obuchanekileyo. Ezi zixhobo zokusika zenzelwe ukujamelana namaqondo okushisa aphezulu kunye nokugcina ukuqina kwazo, okwenza zibe zilungele uluhlu olubanzi lwezicelo zomatshini. Kweli nqaku, siza kuphonononga iimpawu zeebhithi zesixhobo se-HSS, izicelo zabo, kunye nezibonelelo abazinikezela koomatshini kunye nabavelisi.
Iibhithi zesixhobo se-HSS zenziwe ngohlobo olukhethekileyo lwentsimbi equkethe amanqanaba aphezulu ekhabhoni, i-tungsten, i-chromium, i-vanadium, kunye nezinye izinto ezidibanisayo. Olu lwakhiwo lukhethekileyo lunika izixhobo ze-HSS ukuqina kwazo okungaqhelekanga, ukumelana nokunxiba, kunye nokukwazi ukugcina umda wazo wokusika kumaqondo obushushu aphezulu. Ngenxa yoko, amasuntswana esixhobo se-HSS ayakwazi ukwenza izinto ezahlukeneyo, kuquka intsimbi, intsimbi engatyiwayo, intsimbi etyhidiweyo, kunye neentsimbi ezingezizo intsimbi.
Enye yeenzuzo eziphambili zeebhithi zesixhobo se-HSS kukukwazi kwabo ukugcina umda wabo wokusika ngesantya esiphezulu kunye nokutya. Oku kubenza bafaneleke ngokufanelekileyo kwimisebenzi ye-high-speed machining, apho isixhobo sokusika siphantsi kokushisa okukhulu kunye nokukhuhlana. Ukumelana nokushisa kwee-bits zesixhobo se-HSS kubavumela ukuba basebenze ngesantya esiphezulu sokusika ngaphandle kokunciphisa ukusebenza kwabo, okukhokelela ekuphuculweni kwemveliso kunye nokusebenza kakuhle kwiinkqubo zomatshini.
Ukongeza ekuxhathiseni kwabo ubushushu, izixhobo zeHSS zikwabonisa ukuxhathisa okugqwesileyo, okwandisa ubomi babo besixhobo kunye nokunciphisa ukuphindaphindeka kotshintsho lwesixhobo. Oku kunenzuzo ngokukodwa kwiindawo zokuvelisa umthamo ophezulu, apho ukunciphisa ixesha lokunciphisa kunye neendleko zokutshintshwa kwesixhobo kubalulekile. Ukomelela kwamasuntswana esixhobo se-HSS kuwenza ukuba abe lukhetho olungabizi kakhulu kubavelisi abajonge ukukhulisa imisebenzi yabo yomatshini.
Ngaphaya koko, izixhobo zeHSS ziyaziwa ngokuguquguquka kwazo kunye nokukwazi ukuvelisa uluhlu olubanzi lweeprofayili zokusika. Nokuba iyajika, ijonge, iyadika, okanye iyathunga, amasuntswana esixhobo se-HSS anokubekwa phantsi kwiijometri ezahlukeneyo ukuhlangabezana neemfuno ezithile zomatshini. Oku bhetyebhetye kuvumela oomatshini ukuba bafezekise imisebenzi yomatshini echanekileyo kunye nentsonkothileyo ngokulula, ukwenza iibhithi zesixhobo se-HSS zibe yi-asethi yexabiso kwishishini lemveliso.
Usetyenziso lweebhithi zesixhobo se-HSS zahlukile, ukusukela kumatshini wenjongo jikelele ukuya kwimisebenzi ekhethekileyo kumashishini afana neenqwelomoya, i-aerospace, kunye nokwenziwa kwezixhobo zonyango. Kumsebenzi wesinyithi, iibhithi zesixhobo se-HSS ziqhele ukusetyenziswa kwiileyile, oomatshini bokungqusha, kunye nezixhobo zokomba ukuvelisa amacandelo anokunyamezelana okuqinileyo kunye nokugqitywa komphezulu ongaphezulu. Ukukwazi kwabo ukuphatha uluhlu olubanzi lwezixhobo kunye neenkqubo zomatshini kubenza babaluleke kakhulu ekuveliseni iindawo ezichanekileyo kunye namacandelo.
Xa kufikwa ekukhetheni amasuntswana esixhobo se-HSS, oomatshini baneendlela ezahlukeneyo zokukhetha kuzo, kubandakanywa amabanga ahlukeneyo, iingubo, kunye neejometri. Ukukhethwa kwesixhobo esifanelekileyo se-HSS kuxhomekeke kwizinto ezifana nemathiriyeli eyenziwa ngoomatshini, umsebenzi wokusika, kunye nokugqitywa komphezulu ofunekayo. Oomatshini banokwenza ngokwezifiso iibhithi zesixhobo se-HSS ukuze zihambelane neemfuno zabo zomatshini, nokuba kukwenza iiprofayili zokusika ngokwesiko okanye ukwenza iijiyometri zesixhobo ziphucule ukusebenza.
Ukuqukumbela, amasuntswana esixhobo se-HSS adlala indima ebalulekileyo kumatshini ochanekileyo, onikezela ukumelana nobushushu obukhethekileyo, ukuxhathisa ukunxiba, kunye nokuguquguquka. Ukukwazi kwabo ukumelana nesantya esiphezulu sokusika kunye nokutya, kunye nokuqina kwabo kunye nokukwazi ukuvelisa uluhlu olubanzi lweeprofayili zokusika, kubenza babe sisixhobo esiyimfuneko koomatshini kunye nabavelisi. Njengoko imfuno yamacandelo achanekileyo aphezulu iqhubeka ikhula, izixhobo ze-HSS ziya kuhlala zisisiseko soshishino lomatshini, ukuqhuba ukutsha kunye nokugqwesa kwiinkqubo zokuvelisa.
