Kwi-machining ye-CNC, ubomi besixhobo bubhekiselele kwixesha apho i-tip yesixhobo inqumla i-workpiece ngexesha lenkqubo yonke ukususela ekuqaleni komatshini ukuya kwi-tip yesixhobo sokukrazula, okanye ubude bokwenene bomphezulu womsebenzi ngexesha lokusika.
1. Ngaba ubomi besixhobo bungaphuculwa?
Ubomi besixhobo yimizuzu eyi-15-20 kuphela, ngaba ubomi besixhobo bunokuphuculwa ngakumbi? Ngokucacileyo, ubomi besixhobo bunokuphuculwa ngokulula, kodwa kuphela kwisiseko sesantya somgca wokubingelela. Isantya somgca sisezantsi, kokukhona kucaca ngakumbi ukonyuka kobomi besixhobo (kodwa isantya somgca esisezantsi kakhulu siya kubangela ukungcangcazela ngexesha lokucubungula, okuya kunciphisa ubomi besixhobo).
2. Ngaba kukho nayiphi na intsingiselo ebonakalayo ekuphuculeni ubomi besixhobo?
Kwindleko yokucubungula i-workpiece, umlinganiselo weendleko zesixhobo uncinci kakhulu. Isantya somgca siyancipha, nangona ubomi besixhobo buyanyuka, kodwa ixesha lokucubungula i-workpiece liyanda, inani lee-workpieces ezicutshungulwayo aziyi kunyuka, kodwa iindleko zokucubungula i-workpiece ziya kwanda.
Yintoni ekufuneka iqondwe ngokuchanekileyo kukuba kunengqiqo ukwandisa inani lee-workpieces kangangoko kunokwenzeka ngelixa uqinisekisa ubomi besixhobo kangangoko kunokwenzeka.
3. Izinto ezichaphazela ubomi besixhobo
1. Isantya somgca
Isantya somgca sinempembelelo enkulu kubomi besixhobo. Ukuba isantya somgca siphezulu kune-20% yesantya esicacisiweyo somgca kwisampuli, ubomi besixhobo buya kuncitshiswa kwi-1/2 ye-original; ukuba inyuswe ukuya kwi-50%, ubomi besixhobo buya kuba yi-1/5 kuphela ye-original. Ukwandisa ubomi benkonzo yesixhobo, kuyimfuneko ukwazi izinto eziphathekayo, imeko yomsebenzi ngamnye oza kuqhutyelwa kuyo, kunye noluhlu lwesantya somgca wesixhobo esikhethiweyo. Izixhobo zokusika zenkampani nganye zinezantya ezahlukeneyo zomgca. Unokwenza uphando lokuqala kwiisampuli ezifanelekileyo ezinikezelwe yinkampani, kwaye emva koko uzilungelelanise ngokwemiqathango ethile ngexesha lokucubungula ukufezekisa umphumo ofanelekileyo. Idatha yesantya somgca ngexesha lokugqithisa kunye nokugqiba ayihambelani. I-roughing igxile ikakhulu ekususeni umda, kwaye isantya somgca kufuneka sibe phantsi; ukugqiba, injongo ephambili kukuqinisekisa ukuchaneka kwe-dimensional kunye noburhabaxa, kwaye isantya somgca kufuneka sibe phezulu.
2. Ubunzulu bokusika
Umphumo wokusika ubunzulu kubomi besixhobo awukho mkhulu njengesantya somgca. Uhlobo ngalunye lwegroove lunoluhlu olukhulu lokusika ngobunzulu. Ngexesha lokucoca ngokurhabaxa, ubunzulu bokusikwa kufuneka bunyuswe kangangoko ukuze kuqinisekiswe ubungakanani bokususwa komda; ngexesha lokugqiba, ubunzulu bokusikwa kufuneka bube buncinci ngokusemandleni ukuqinisekisa ukuchaneka kwe-dimensional kunye nomgangatho womphezulu we-workpiece. Kodwa ubunzulu bokusika abukwazi ukudlula uluhlu lokusika lwejometri. Ukuba ubunzulu bokusika bukhulu kakhulu, isixhobo asikwazi ukumelana namandla okusika, okubangelwa ukutshiza isixhobo; ukuba ubunzulu bokusika buncinci kakhulu, isixhobo siya kukhuhla kuphela kwaye sicinezele umphezulu we-workpiece, sibangele ukuguga okunzulu kumphezulu weflank, ngaloo ndlela sinciphisa ubomi besixhobo.
3. Ukutya
Xa kuthelekiswa nesantya somgca kunye nobunzulu bokusika, ukutya kuneyona mpembelelo incinci kubomi besixhobo, kodwa kunempembelelo enkulu kumgangatho womphezulu wesixhobo sokusebenza. Ngexesha lomatshini olukhuni, ukwandisa ukutya kunokunyusa izinga lokususa umda; ngexesha lokugqiba, ukunciphisa ukutya kunokunyusa uburhabaxa bomphezulu we-workpiece. Ukuba uburhabaxa buvumela, isondlo sinokunyuswa kangangoko kunokwenzeka ukuphucula ukusebenza kakuhle.
4. Ukungcangcazela
Ukongeza kwizinto ezintathu eziphambili zokusika, ukungcangcazela yinto enempembelelo enkulu kubomi besixhobo. Kukho izizathu ezininzi zokungcangcazela, kubandakanya ukuqina kwesixhobo somatshini, ukuqina kwesixhobo, ukuqina kwesixhobo sokusebenza, ukusika iiparamitha, ijometri yesixhobo, i-arc radius yesixhobo, i-angle yokunceda i-blade, i-bar yesixhobo yokwandisa ubude, njl. Ukuphelisa okanye ukunciphisa ukungcangcazela kufuneka kuqwalaselwe ngokubanzi. Ukungcangcazela kwesixhobo kumphezulu womsebenzi kunokuqondwa njengokunkqonkqoza rhoqo phakathi kwesixhobo kunye nesixhobo sokusebenza, endaweni yokusikwa okuqhelekileyo, okuya kubangela ukuqhekeka okuncinci kunye nokuqhekeka kwincam yesixhobo, kwaye ezi ntanda kunye nokuqhekeka kuya kubangela ukuba amandla okusika anyuke. Enkulu, i-vibration iqhubela phambili ngakumbi, emva koko, iqondo lokuqhekeka kunye ne-chipping liyanda, kwaye ubomi besixhobo buyancipha kakhulu.
5. Isixhobo se-blade
Xa i-workpiece icutshungulwa, siqwalasela ubukhulu becala izinto ze-workpiece, iimfuno zonyango lobushushu, kunye nokuba ukucubungula kuphazamisekile. Ngokomzekelo, ii-blades ze-processing steel parts kunye nezo ze-process cast cast cast cast, kunye nee-blades ezinobunzima be-HB215 kunye ne-HRC62 azifani; ii-blades zokucutshungulwa okuphakathi kunye nokuqhubekeka okuqhubekayo azifani. Iintsimbi zentsimbi zisetyenziselwa ukucubungula iinxalenye zetsimbi, iintsimbi zokuphosa zisetyenziselwa ukucubungula, ii-CBN blades zisetyenziselwa ukucubungula intsimbi eqinile, njalo njalo. Kwizinto ezifanayo zokwenziwa komsebenzi, ukuba kuqhutywe ngokuqhubekayo, kufuneka kusetyenziswe i-blade ephezulu yobunzima, enokunyusa isantya sokusika i-workpiece, ukunciphisa ukunxiba kwesixhobo, kunye nokunciphisa ixesha lokucubungula; ukuba kukusetyenzwa okwethutyana, sebenzisa iblade enokuqina okungcono. Inokunciphisa ngokufanelekileyo ukunxiba okungaqhelekanga njengokutshiphuza kunye nokwandisa ubomi benkonzo yesixhobo.
6. Inani lamaxesha okusetyenziswa kweblade
Ubungakanani obukhulu bobushushu buveliswa ngexesha lokusetyenziswa kwesixhobo, okwandisa kakhulu ukushisa kwe-blade. Xa ingacutshungulwa okanye ipholile ngamanzi apholileyo, ubushushu be-blade buyancipha. Ngoko ke, i-blade isoloko ikwiqondo lokushisa eliphezulu, ukwenzela ukuba i-blade iqhubeke ikhula kwaye idibanisa nobushushu, ibangele iincinci ezincinci kwi-blade. Xa i-blade icutshungulwa ngomphetho wokuqala, ubomi besixhobo buqhelekile; kodwa njengoko ukusetyenziswa kwe-blade kwanda, ukuqhekeka kuya kwandiswa kwezinye iiblade, okukhokelela ekunciphiseni ubomi bamanye amaqabunga.
Ixesha lokuposa: Mar-10-2021
