Ngokuthandwa kwezixhobo zoomatshini be-CNC, itekhnoloji yokugaya intambo isanda kusetyenziswa kushishino lokuvelisa oomatshini. Ukusila imisonto lunxibelelwano lwesixhobo somatshini we-CNC, osebenzisa intambo yokusila ukwenza i-spiral interpolation milling ukwenza imisonto. Umsiki wenza intshukumo ejikelezayo kwinqwelomoya ethe tye, kwaye ngokulandelelana ihambisa intambo yentambo kwinqwelomoya ethe nkqo. Ukugaya umsonto kuneengenelo ezininzi ezifana nokusebenza okuphezulu, umgangatho ophezulu wentambo, ukuguquguquka kwesixhobo esihle, kunye nokhuseleko olulungileyo lokuqhuba. Kukho iintlobo ezininzi zezixhobo zokusila intambo ezisetyenziswayo ngoku. Eli nqaku lijonge ukuhlalutya kunye nokwazisa abasiki abaliqela abaqhelekileyo bokusila ngokweembono zeempawu zesicelo, ulwakhiwo lwesixhobo, kunye neteknoloji yokucubungula.
1 Umatshini oqhelekileyo wokubamba umtya wohlobo lokusila umsonto
I-clamp-type thread milling cutter sesona sixhobo sisetyenziswa ngokuqhelekileyo kwaye sinexabiso eliphantsi kwi-thread milling. Ulwakhiwo lwalo luyafana nelo lwesiqhelo sohlobo lokusila lokusila. Iqukethe isibambisisixhobo esiphinda sisetyenziswe kunye neblade enokutshintshwa ngokulula. Ukuba ufuna ukutshiza imisonto ye-taper, ungasebenzisa izixhobo ezikhethekileyo zokuphatha izixhobo kunye neeblades kwimicu ye-taper. Le blade inamazinyo amaninzi okusika imisonto. Isixhobo sinokwenza amazinyo amaninzi ngexesha kunye nomgca we-spiral. Umzekelo, sebenzisa i-A milling cutter ene-5 2mm yokusika amazinyo angakwazi ukucubungula amazinyo ama-5 kunye nobunzulu bentambo ye-10mm ecaleni komgca we-helical. Ukuze kuphuculwe ngakumbi ukusetyenzwa kakuhle, i-multi-blade machine clamp thread milling cutter ingasetyenziswa. Ngokunyusa inani leemida zokusika, izinga lokutya linganyuswa kakhulu, kodwa iimpazamo zokubeka i-radial kunye ne-axial phakathi kwe-blade nganye esasazwa kwi-circumference iya kuchaphazela ukuchaneka kokucubungula intambo. Ukuba awanelisekanga kukuchaneka komsonto we-multi-blade umatshini wokubamba intambo yokusila intambo, unokuzama ukufaka i-blade enye kuphela yokusetyenzwa. Xa ukhetha umatshini-intambo yokusila intambo yokusila, ngokutsho kwizinto ezifana nobubanzi kunye nobunzulu bomsonto owenziwe ngoomatshini, kunye nezinto zokusebenzela, zama ukukhetha i-shank enkulu ye-diameter (ukwenzela ukuphucula ukuqina kwesixhobo) kunye nezinto ezifanelekileyo ze-blade. Ubunzulu bokucutshungulwa komsonto we-clamp-type thread milling cutter bumiselwa bubunzulu bokusika obusebenzayo bomphathi wesixhobo. Ekubeni ubude be-blade bungaphantsi kobunzulu bokusika obusebenzayo bebha yesixhobo, xa ubunzulu bomsonto oza kucutshungulwa bukhulu kunobude be-blade, kufuneka bucutshungulwe ngokwemigangatho.
2 Umsiki oqhelekileyo wokusila umsonto odibeneyo
Abasiki bentsimbi abadityanisiweyo benziwe ngezinto eziqinileyo ze-carbide, kwaye ezinye zigqunywe. I-cutter yokugaya intambo edibeneyo inesakhiwo esihlangeneyo kwaye ifaneleke ngakumbi ukusetyenzwa kwemisonto ephakathi kunye nencinci yedayamitha; kukwakhona abasiki bemisonto abadityanisiweyo bokulungisa imisonto ye taper. Olu hlobo lwesixhobo lunobungqongqo obuhle, ngakumbi intambo yokusila intambo ene-spiral groove, enokunciphisa ngokufanelekileyo umthwalo wokusika kunye nokuphucula ukusebenza kakuhle xa kusetyenzwa izinto ezinobulukhuni obuphezulu. Umphetho wokusika we- integral thread milling cutter ugqunywe ngamazinyo okulungisa intambo, kwaye ukusetyenzwa komsonto wonke kunokugqityezelwa kumgca we-spiral iveki enye. Akukho mfuneko yokusetyenzwa kweelayiti njengesixhobo sohlobo lwe-clamp, ngoko ke ukusebenza kakuhle kuphezulu, kodwa ixabiso liyabiza kakhulu.
3 Umsiki odibeneyo wokugaya intambo enomsebenzi wokuchama
Ulwakhiwo lomsiki wokusila oludityanisiweyo olunomsebenzi wokuchama luyafana nolo lwesiqhelo lokusila intambo yokusila, kodwa kukho umphetho okhethekileyo wokusila kwingcambu (okanye ekupheleni) komphetho wokusika, onokuqhuba umsonto wesiphelo se-chamfer ngelixa kusetyenzwa umsonto. Kukho iindlela ezintathu zokucoca. Xa i-dameter yesixhobo sikhulu ngokwaneleyo, i-edge ye-chamfering ingasetyenziselwa ngokuthe ngqo ukwenza i-chamfer. Le ndlela inqunyelwe kwi-chamfering yomngxuma wangaphakathi we-threaded. Xa i-diameter yesixhobo incinci, i-edge ye-chamfering ingasetyenziselwa ukucubungula i-chamfer ngokusebenzisa i-circular motion. Kodwa xa usebenzisa i-chamfering kwingcambu ye-edge yokusika i-chamfering, nikela ingqalelo kucoceko phakathi kwenxalenye yokusika yesixhobo kunye nomtya ukuze ugweme ukuphazamiseka. Ukuba ubunzulu bentambo esetyenzisiweyo bungaphantsi kobude obusebenzayo bokusika isixhobo, isixhobo asiyi kuba nako ukuqonda umsebenzi we-chamfering. Ngoko ke, xa ukhetha isixhobo, qinisekisa ukuba ubude obusebenzayo bokusika kunye nobunzulu bentambo buhambelana.
4 Ukugrumba imisonto kunye nesisiki sokusika
Intambo yokomba kunye ne-milling cutter yenziwe nge-carbide eqinileyo, esisixhobo somatshini esisebenza ngokufanelekileyo kwimisonto yangaphakathi encinci naphakathi. Intambo yokugaya kunye ne-milling cutter inokugqiba ukugrumba imingxuma ephantsi enemisonto, i-chamfering yomngxuma kunye nokucubungula intambo yangaphakathi ngexesha elinye, ukunciphisa inani lezixhobo ezisetyenzisiweyo. Kodwa into engalunganga yesi sixhobo kukungaguquguquki kakuhle kwaso kunye nexabiso elibiza kakhulu. Isixhobo siqulunqwe ngamacandelo amathathu: inxalenye yokugaya intloko, inxalenye yokugaya intambo phakathi, kunye ne-chamfering edge kwingcambu yomgca wokusika. Ububanzi becandelo elibiweyo liyi-diameter ephantsi yomsonto ukuba isixhobo sinokusebenza. Ukukhawulwa ngobubanzi benxalenye egrunjiweyo, intambo yokomba kunye ne-milling cutter inokuqhuba kuphela imisonto yangaphakathi yenkcazo enye. Xa ukhetha i-thread drilling kunye ne-milling cutters, kungekhona kuphela ukucaciswa komngxuma owenziwe ngomatshini kufuneka kuthathelwe ingqalelo, kodwa kunye nokuhambelana kobude obusebenzayo besixhobo kunye nobunzulu bomngxuma owenziwe ngomatshini kufuneka kuthathelwe ingqalelo, ngaphandle koko umsebenzi we-chamfering awunakufezekiswa.
5 Umsiki wokusila umsonto
I-Tread auger kunye ne-milling cutter sisixhobo esiluqilima se-carbide sokusetyenzwa ngokufanelekileyo kwemisonto yangaphakathi, kwaye inokuphinda iqhube imingxunya engezantsi kunye nemisonto ngexesha elinye. Isiphelo sesixhobo sinomgca wokusika njenge-mill end. Ngenxa yokuba i-engile ye-helix yentambo ayikho enkulu, xa isixhobo senza intshukumo ejikelezayo ukucwangcisa intambo, isiphelo sokusika isiphelo sokuqala sisika izinto zokusebenza ukwenza umngxuma osezantsi, kwaye ke intambo icutshungulwa ngasemva kwesixhobo. Abanye abasiki bemilling be thread auger nabo bane-chamfering edge, enokuthi ngaxeshanye iqhube umngxuma we-chamfer. Isixhobo sinokusebenza okuphezulu kokusebenza kwaye sinokuguquguquka okungcono kunokwemba intambo kunye nabasiki bemilling. Uluhlu lwangaphakathi lokuvula umsonto esinokuthi isixhobo siwuqhube nguD～2D (D yidayamitha yomzimba womsiki).
6 Ukusika umsonto onzulu
Umsiki onzulu wokusila ngumsonto wezinyo elinye lokusila. Umsiki wokugaya umsonto jikelele unamazinyo amaninzi okulungisa intambo kumphetho wokusika. Indawo yoqhagamshelwano phakathi kwesixhobo kunye ne-workpiece inkulu, amandla okusika nawo makhulu, kwaye ububanzi besixhobo kufuneka bube buncinci kune-aperture yentambo xa kusetyenzwa imicu yangaphakathi. Ngenxa yokuba ububanzi bomzimba we-cutter bulinganiselwe, obuchaphazela ubungqongqo bomsiki, kwaye umsiki unyanzeliswa kwelinye icala xa iintambo zokugaya, kulula ukuyeka isixhobo xa ugawula imisonto enzulu, echaphazela ukuchaneka kokulungiswa kwentambo. Ke ngoko, ubunzulu obusebenzayo bokusika i-thread milling cutters bumalunga namaxesha ama-2 ubukhulu bomzimba wemela. Ukusetyenziswa kwezinyo elinye lokusila iintambo ezinzulu zokusika zinokoyisa ngcono ezi ntsilelo zingentla. Njengoko amandla okusika ancitshisiwe, ubunzulu bokucubungula intambo bunokwandiswa kakhulu, kwaye ubunzulu bokusika obusebenzayo besixhobo bunokufikelela kwi-3 ukuya ku-4 ubukhulu bomzimba wesixhobo.
7 Inkqubo yesixhobo sokugaya imisonto
Ukuguquguquka kunye nokusebenza kakuhle kukuchasana okubalaseleyo kwabasiki bentambo. Ezinye izixhobo ezineemisebenzi ezimbaxa (ezifana nokugrumba imisonto kunye nezisiki zokusila) zinobuganga obuphezulu bokusebenza kodwa ukuguquguquka okulambathayo, kunye nezixhobo ezinokuguquguquka okuhle azisoloko zisebenza kakuhle. Ukusombulula le ngxaki, abaninzi abavelisi bezixhobo baye baphuhlisa iimodyuli zokusila izixhobo zemisonto. Inkqubo yesixhobo ngokubanzi iqulathe umnini wesixhobo, i-counter-boring chamfering edge kunye ne-general thread milling cutter. Iindidi ezahlukeneyo ze-counter-boring chamfering edges kunye ne-thread milling cutters zinokukhethwa ngokweemfuno zokusetyenzwa. Esi sixhobo sesixhobo sinokuguquguquka okuhle kunye nokusebenza kakuhle okuphezulu, kodwa ixabiso lesixhobo liphezulu kakhulu.
Imisebenzi kunye neempawu ezininzi ezisetyenziswa ngokuqhelekileyo izixhobo zokusila intambo zaziswe ngokufutshane ngasentla. Ukupholisa kubaluleke kakhulu xa kugutywa imisonto. Kunconywa ukusebenzisa izixhobo zoomatshini kunye nezixhobo ezinokupholisa kwangaphakathi. Ngenxa yokuba xa isixhobo sijikeleza ngesantya esiphezulu, ukupholisa kwangaphandle akulula ukungena phantsi kwesenzo se-centrifugal force. Ukongeza kwindlela yokupholisa yangaphakathi, enokuthi ipholise isixhobo kakuhle, kubaluleke kakhulu ukuba i-high-pressure coolant inokunceda ukususwa kwe-chip xa kusenziwa imicu yemingxuma eyimfama. Ngokukodwa, uxinzelelo oluphezulu lokupholisa lwangaphakathi luyafuneka xa kusetyenzwa imingxuma yangaphakathi enemisonto ene-diameter encinci. Qinisekisa ukuphuma kwetshiphu egudileyo. Ukongeza, xa ukhetha isixhobo sokugaya intambo, iimfuno ezithile zokucwangcisa kufuneka ziqwalaselwe ngokubanzi, njengebhetshi yokuvelisa, inani lemingxuma yesikrufu, izixhobo zokusebenza, ukuchaneka kwentambo, ukucaciswa kobungakanani kunye nezinye izinto ezininzi, kwaye isixhobo kufuneka sikhethwe ngokufanelekileyo.
Ixesha lokuposa: Nov-30-2021
