Kwihlabathi lokwenziwa kwecandelo lesinyithi elichanekileyo, ingxoxo phakathi kokuphosa kunye nomatshini ihlala iqulunqwe njengokhetho phakathi kweenkqubo ezimbini ezahlukeneyo. Kodwa ezona zicwangciso zokuthengwa kwe-OEM zintsonkothileyo azikhethi phakathi kokuphosa kunye noomatshini-bayanyuka. kufutshane-net-shape utyalo-mali ukuphosa ukunciphisa umatshini ngelixa ukhulisa izibonelelo zazo zombini iinkqubo.
I-Net-net-shape casting ayiyotekhnoloji eyahlukileyo - luyilo kunye nefilosofi yokuvelisa esebenzisa ukuchaneka kwendalo yotyalo-mali ukuvelisa iindawo ezikufutshane nemilinganiselo yokugqibela kangangoko kunokwenzeka, ukunciphisa ukwenziwa kwe-CNC kweyona ndawo ibalulekileyo kuphela. Isiphumo: 40–60% ngaphantsi kwexesha lobumatshini, 30–50% inkunkuma yezinto eziphathekayo, kunye neendleko zizonke zokucutha ubunini ezinokuguqula uqoqosho lwecandelo.
Ithetha ukuthini eneneni "Near-Net-Shape"?
"Near-net-shape" ibhekiselele ekusalweni okudinga ukwenziwa ngoomatshini okuncinci ukufikelela kwimilinganiselo yokugqibela. Kwi-investment casting, oku kuthetha:
- Ukunyamezelwa kwe-As-cast ye-CT4-CT7 (ISO 8062) - ngokuqhelekileyo ±0.1-0.3mm
- As-cast surface finish of Ra 1.6–6.3 µm — ihlala isebenza ngaphandle komatshini
- Isitokhwe somatshini we-0.5-1.5mm kuphela kwimigangatho efuna ukugqitywa
- Imiphezulu engabalulekanga ishiywe njenge-cast, efuna kungabikho matshini kwaphela
Thelekisa oku nokuphosa isanti, apho isitokhwe somatshini se-2–5mm sisemgangathweni, kwaye phantse yonke indawo esebenzayo ifuna ukwenziwa ngomatshini. Okanye kwi-machining evela kwi-billet, apho i-40-60% yezinto eziluhlaza ziba yi-chips.
Iindleko ezifihliweyo zoMatshini ogqithisileyo
Abathengi abaninzi be-OEM bagxininise kwixabiso leqhekeza lokuphosa ngaphandle kokuqwalasela ixabiso elipheleleyo lobunini (TCO). I-TCO ibandakanya:
- Ixabiso lempahla ekrwada - isitokhwe somatshini esigqithisileyo sithetha izinto ezininzi ezithengiweyo nezimoshayo
- Ixesha lomatshini - yonke i-millimeter eyongezelelweyo yesitokhwe yandisa ixesha lokujikeleza
- Ukunxiba kwesixhobo - izinto ezinzima kunye nokusika okude kudla izixhobo zokusika ngakumbi
- Ukusetyenziswa komatshini -oomatshini obuninzi buthatha amandla e-CNC anokuvelisa ezinye iindawo
- Izinga le-Scrap - ngakumbi imisebenzi yobuchwephesha idala amathuba amaninzi ezinto ezilahliweyo
- Ukuhlola - imigangatho eyongezelelekileyo eyenziwe ngoomatshini ifuna ungqinisiso oluthe kratya
Xa ezi ndleko zilinganisiwe, ulondolozo olusuka kwi-net-net-shape investment casting lunyanzelekile.
Uphononongo olungumzekelo : Umenzi wevalvu ovelisa imizimba yevalvu engama-5,000 ngonyaka uthelekisa ukugalelwa kwesanti + umatshini opheleleyo vs. utyalo-mali olwenziwayo + ubuncinci obuncinci:
| Ixabiso Element | Indlela yokuphosa isanti | Indlela yoTyalo-mali yokuphosa | Ugcino |
|---|
| Ixabiso leqhekeza | $18.00 | $28.00 | $10.00 |
| Ixabiso lezinto eziphathekayo (kuquka i-scrap) | $6,50 | $3,20 | + $3,30 |
| CNC iindleko machining | $22.00 | $9,50 | + $12,50 |
| I-amortization yezixhobo | $0,80 | $1,20 | $0.40 |
| Iindleko zokuhlola | $3,50 | $1,80 | + $1,70 |
| Itotali ngeqhekeza ngalinye | $50,80 | $43,70 | +$7.10 (14%) |
Ixabiso lotyalo-mali lotyalo-mali laliyi-$ 10 ephezulu, kodwa ixabiso elipheleleyo kwisiqwenga ngasinye sasiyi-$ 7.10 ephantsi - i-14% yokunciphisa i-TCO eqhutywe ngokuyinhloko kukunciphisa ixesha lomatshini kunye nenkunkuma yezinto eziphathekayo.
Indlela uTyalo-mali oluPhumeza ngayo iNxalenye yeMilo ekufutshane
Ubuninzi bezakhono zobuchwephesha bokwenza utyalo-mali kwenza imveliso ekufutshane-nemilo:
1. Isitofu seWax echanekileyo : Oomatshini banamhlanje besitofu abanolawulo lobushushu obuvaliweyo bavelisa iipateni ezinobukhulu obuchanekileyo obuyi-±0.05mm. Xa oku kuchanekileyo kudluliswa ngeqokobhe le-ceramic ukuya kwi-casting, umphumo we-as-cast imilinganiselo ehlala ingaphakathi kwe-0.2mm yeemfuno zokugqibela.
2. ITekhnoloji yeCeramic Shell : Iinkqubo ezikwinqanaba eliphezulu leeqokobhe leceramic ezisebenzisa iidyasi eziphambili zomgubo we-zircon kunye neeleya ezidityanisiweyo ze-silica ezigciniweyo zivelisa umphezulu we-casting nge-Ra 1.6–3.2 µm - egudileyo ngokwaneleyo kwizicelo ezininzi ezingatywinwanga ngaphandle komatshini.
3. Ukumanyanisa okuLawulwayo : Iqokobhe le-ceramic yotyalo-mali libonelela ngokutsalwa kobushushu obufanayo, ukuvelisa iicastings ezinokugqwetheka okuncinci kunye nobukhulu bodonga olungaguqukiyo. Oku kuqikelelwa kuvumela iinjineli ukuba zichaze isitokhwe somatshini se-0.5-1.0mm nje, xa kuthelekiswa ne-2-5mm yokuphosa isanti.
4. Iipateni ze-Wax eziprintiweyo ze-3D : Kwiijometri ezintsonkothileyo okanye ukuveliswa kwevolumu ephantsi, iipateni ze-wax eziprintiweyo ze-3D zisusa utyalo-mali lwezixhobo ngelixa ugcina ukuchaneka okufunekayo kwiziphumo ezikufutshane-zemilo. Ukuphindaphinda koyilo kunokuphoswa kwaye kuvavanywe kwiintsuku ezi-7-10.
5. UYilo lokuSebenzisa (DFM) UPhuculo : Iinjineli zokuphosa ezinamava zihlala ziphinda zihlengahlengise iimpawu ukuze zikhutshelwe kwimilinganiselo ekufutshane neyokugqibela, ukuphelisa imisebenzi yomatshini ngokupheleleyo. Umzekelo, umphathi othungelweyo owaphoswa mcaba ekuqaleni waze wagrunjwa/wacofa unokuphoswa ngomphathi owakhelwe kwangaphambili ofuna umsebenzi wokuthunga kuphela.
Yeyiphi iMeko kuMatshini- kwaye Yeyiphi emayishiye iCast
Isitshixo sokwandisa izibonelelo ezikufutshane ne-net-shape lukhetho olucwangcisiweyo apho umphezulu womatshini:
Kufuneka uMshini (imigangatho esebenzayo):
- Ukuthwala izihlalo kunye nebhore (H7 ukunyamezela, ± 0.01mm)
- Imingxuma enemisonto kunye ne studs (6g/6H ukunyamezela)
- Imiphezulu yokutywina (Ra 0.4–0.8 µm, ukucaba 0.02mm)
- Imingxuma ye-dowel echanekileyo (ukunyamezela kwe-H7)
- Ubuso beGasket (i-flatness 0.05mm)
Ingayishiya iCast (indawo engabalulekanga):
- Iindonga zesakhiwo sangaphandle (Ra 3.2–6.3 µm yamkelekile)
- Iiperipheries zeflange ezingatywinwanga
- Imiphezulu yokuthambisa yangaphandle
- Ukuxhoma iipadi eziphakamileyo (ukuba akutywinwa)
- Ulwakhiwo lweembambo kunye nezinto eziqinisayo
- Iimpawu zokuchongwa kunye neelogo
Le ndlela yokukhetha i-machining inokunciphisa inani lemisebenzi ye-CNC nge-40-60% xa kuthelekiswa nomatshini opheleleyo wokuchithwa kwesanti.
Iingcinga Ezingqalileyo
Utyalo-mali olusondeleyo kwimilo yotyalo-mali luzisa olona londolozo lukhulu ngezinto ezibiza imali eninzi okanye ekunzima ukuzisebenza ngomatshini:
I-Stainless Steel (304, 316, 17-4 PH) : I-Machining steel stainless i-2-3 × icotha kune-carbon steel, kunye nesixhobo sokugqoka sikhawuleza. Ukunciphisa isitokhwe somatshini ukusuka kwi-3mm ukuya kwi-1mm kunokonga imizuzu eyi-15-20 inxalenye nganye kumzimba wevalve engenasici.
I-Hadfield Manganese Steel (ZGMn13) : Esi sixhobo sokwenza lukhuni siba nzima njengoko usimatshini, senze ukusikwa okunzulu kube nzima kakhulu. Ukusatywa kobume obukufutshane nomnatha kuphantse kunyanzeleke kumacandelo entsimbi yemanganese entsonkothileyo njengelitha zokutyumza.
I-Aluminiyam Alloys (A356) : Ngelixa oomatshini be-aluminium ngokulula, iindleko zezinto eziphathekayo ziphezulu kunentsimbi. Ukunciphisa inkunkuma yezinto eziphathekayo ukusuka kwi-50% (i-billet machining) ukuya kwi-10% (ukutyalwa kotyalo-mali) ibonelela ngogcino lweendleko eziphathekayo kwiindawo ezinkulu.
I-Nickel-Based Superalloys : Kwi-$ 50-100 / kg, ukunciphisa inkunkuma ye-machining ngokusebenzisa ukuphosa okukufutshane kwe-net-shape kubalulekile kwimveliso yezoqoqosho yamacandelo aphezulu obushushu.
Ukuphunyezwa: Ukusebenza neqabane lakho lokuCasa
Ukufikelela kwiziphumo ezikufutshane ne-net-shape kufuna intsebenziswano phakathi kweqela loyilo lwe-OEM kunye nomthengisi osasazayo:
UkuBandakanya koMboneleli kwangethuba : Bandakanya umthengisi wakho ngexesha lesigaba soyilo, hayi emva kokuba imizobo igqityiwe. Ingxelo yeDFM kweli nqanaba inokuchonga amathuba okuphelisa imisebenzi yomatshini.
Uhlalutyo lokuNyamezelwa : Phonononga ukuba zeziphi unyamezelo eziyimfuneko ngokwenyani kwimiphezulu ephosiweyo. Imizobo emininzi ichaza ukunyamezelana okuqinileyo kwiindawo ezingasebenziyo "nje ukuba kunokwenzeka" - ukukhulula oku kunokuphelisa umatshini.
Ukuqinisekiswa kwePrototype : Sebenzisa i-3D eprintiweyo yeeprototypes ze-wax ukuqinisekisa ubungakanani obusondeleyo-net-shape ngaphambi kokuzibophelela kwisixhobo sokuvelisa. Lo mjikelo weentsuku ezi-7-10 uvumela ukwenziwa koyilo olukhawulezileyo.
Izifundo zobuGcisa : Cela idatha ye-CPk kwimilinganiselo ebalulekileyo njenge-cast. Inkqubo ekwaziyo ukuphosa (Cpk ≥ 1.33) inokukuvumela ukuba uphelise umatshini kwindawo oyisebenzisayo ngoku "ukhuseleko."
Iindleko zeModeli zizonke : Soloko uvavanya iinketho zokusa usebenzisa ixabiso lilonke lobunini - hayi nje ixabiso leqhekeza. Ixabiso eliphezulu lotyalo-mali lidla ngokungaphezulu kunokonga ngomatshini.
Isiphelo: I-Advanteji yoKhuphiswano ye-Near-Net-Shape
Ngexesha lokunyuka kweendleko zempahla, ukunqongophala koomatshini abanezakhono, kunye noxinzelelo lokunciphisa ixesha lokuya kwintengiso, utyalo-mali olusondeleyo lwe-net-shape lunikeza indlela eqinisekisiweyo yokuthoba ixabiso lilonke lobunini. Ngokunciphisa ixesha lomatshini nge-40-60%, inkunkuma yezinto eziphathekayo ngama-30-50%, kunye neendleko zokuhlola ngama-40%, le ndlela inokunikezela nge-10-20% yokugcinwa kweendleko ezipheleleyo kwizinto ezichanekileyo zetsimbi.
E-Ningbo Ruican, iminyaka yethu eyi-17+ yamava otyalo-mali, edityaniswe ne-CNC machining ehlanganisiweyo kunye neenkqubo ezisemgangathweni ze-IATF 16949, zisenza sibe liqabane elifanelekileyo kwiinkqubo zecandelo le-net-shape component. Iqela lethu lobunjineli be-DFM lisebenza nabayili be-OEM ukusuka kwingqikelelo ngemveliso, nokuphucula uyilo ukuze kuxhamle imilo ekufutshane nomnatha.
