Ikiti yokuphosa i-wax elahlekileyo ayiyona nje enye ibhokisi yobugcisa-yibhulorho yokuqala yokwenyani phakathi kokuzoba ingcamango kunye nokubamba iringi yentsimbi egqityiweyo esandleni sakho. Siye sabukela abasaqalayo bevula ezi kiti belindele umlingo, kuphela ukulahla imodeli yabo yesithathu engaphumelelanga nge-2 am, bezibuza ukuba kutheni i-sprue yaphuka, kutheni umngundo uqhekekile, okanye kutheni isilivere yala ukuhamba. Oko kuphazamiseka kuphelela apha. Oku akuyothiyori. Yinto esiyiqapheleyo kwimijikelo engama-47 yomzekelo kunye nabafundi boyilo lwezacholo, iihobbyists, kunye nabaseki be-micro-studio-ixesha ngalinye sicokisa ibhalansi phakathi kokufikeleleka kunye nokuthembeka kwesinyithi.
Kutheni "uMqali" engathethi "Ukuthobela"
Yinyani ikhithi yokuphosa iwax elahlekileyo kuba abatsha kufuneka basombulule iingxaki ezintathu ezingenakuxoxisana: ukuxhathisa ukothuka kwe-thermal kutyalo-mali, ukuziphatha okuqikelelwayo kokutshiswa kwe-wax, kunye nokuzinza kwe-dimensional ngokusebenzisa ukupholisa. Uninzi lweekiti lutsiba amaxwebhu edatha yezinto ngokupheleleyo-uluhlu "lotyalo-mali olusekwe kwiplastikhi" ngaphandle kokuchaza ukuthotyelwa kwe-ASTM C22 okanye ISO 6872. Olwethu luyakwenza. I-powder refractory idibana ne-ISO 6872 yohlobo lwe-IV, kunye namandla aluhlaza ≥12 MPa kunye nokwandiswa kwe-thermal ≤0.15% kwi-700 ° C. Elo nani libalulekile: ngumahluko phakathi komngxuma ococekileyo kunye nokungunda okujijekileyo okubambisa amaqamza omoya kufutshane nendawo yebezel.
Sivavanye imixube emithandathu ye-wax ngapha nangapha. Iiwax ze-microcrystalline eziqhelekileyo zithotywe ngaphantsi kwe-45 ° C-aziqinisekanga kakhulu kwi-filigree eneenkcukacha. Ikiti isebenzisa i-proprietary blend kunye ne-58% ye-bewax, i-32% ye-carnauba, kunye ne-10% ye-dammar resin-incibilika ngokukhawuleza kwi-63 ° C, ibambe imigca emihle phantsi kwe-0.3 mm, kwaye ivutha ngokucocekileyo kwi-650 ° C ngaphandle kwe-carbon residue. Uya kukubona oku xa uvula i-flask yakho yokuqala: akukho soot emnyama ibambelele kumphezulu wesilivere, akukho mfuneko yokuchola ngokukrakra.
Yintoni Ngaphakathi-kwaye Yintoni engafihlwanga kuShicilelo olucokisekileyo
Le ayisiyobhokisi yezithembiso ezingacacanga. Ilungu ngalinye lisebenza umsebenzi oqinisekisiweyo:
- Izixhobo zokukrola iwax (iziqwenga ezi-5): Carbide-tipped, hayi steel stainless-kuba iingcebiso ezithambileyo ziyawohloka kwiwax eqinileyo, kubangela amanqaku encoko aphindaphindeka kwisamente yakho yokugqibela.
- Umgubo wotyalo-mali (1 kg): I-pre-mixed, pre-sieved, i-fume-controlled to ± 0.5% RH-akukho ngqikelelo yokuxuba ukuxuba; yongeza nje amanzi adibeneyo kwi-22°C
- Iflaski yokufunxa (2L): Umzimba weglasi ye-Borosilicate ene-silicone gasket elinganiselwe kwi-90 kPa-ibalulekile ekususeni umoya ovalelwe kwiifom ezintsonkothileyo.
- Iprofayile yerempu ye-kiln yokutshisa: Umjikelo ocwangciswe kwangaphambili wamanqanaba ama-3 (ukomisa → ukukhupha iwaxing → ukuntywila) kungqinwe ukuphelisa ukophuka koxinzelelo lobushushu kwiiflaski
- I-Crucible & tongs: I-Silicon carbide-lined, ilinganiswe kwi-1100 ° C-iphatha isilivere enqabileyo, ubhedu kunye nobhedu ngaphandle kokungcola kwentsimbi
Ulahlekile? "I-ingot yesilivere yokuqala." Kulungile. Isilivere esulungekileyo inyibilika kwi-961°C—kodwa abasaqalayo abafane bafumane amaqondo obushushu obungaguqukiyo obungaphantsi kwe-1050°C. Ngaphandle kwepyrometry echanekileyo, bafumana i-porosity okanye i-cold shuts. Endaweni yoko, ikiti ibandakanya iingots zokuvavanya ubhedu. I-Master fluidity kunye nokungunda gcwalisa ngobhedu kuqala. Emva koko nyusa.
I-Bottleneck yokwenyani ayisiso isakhono-yinkqubo yokungafihli nto
Abanye banokuphikisa ukuba ushicilelo lwe-3D yedijithali yenza ukuba i-wax elahlekileyo iphelelwe lixesha. Kodwa nantsi into esiyilinganisela ekusetyenzisweni kwe-studio yokwenene: Kwizindandatho ezingaphantsi kobukhulu be-8 kunye neeprofayili ze-asymmetrical, iipateni ze-resin eziprintiweyo ze-3D zifuna i-37% ngaphezulu kokufakwa kwe-post-cast kune-wax eqingqwe ngesandla. Ngoba? Imigca ye-resin ye-0.05 mm yomaleko yenza i-micro-ridges ebamba iikhompawundi zokupholisa, ukunyanzelisa ixesha elide lokubhoboza kunye nokulahleka kwetsimbi ephezulu.
Ukukrola ngesandla kufundisa umlinganiselo, ukusabalalisa ubunzima, kunye ne-intuition yendawo engalunganga-izakhono akukho software ye-slicer iphindaphinda. Kwaye xa imodeli yokuqala ye-wax yomfundi iwa ngexesha lokutshiswa, bafunda malunga ne-wax-to-flask wall thickness ratios (ubuncinci be-6 mm), kungekhona nje ukubetha "ukuprinta." Lolophu yengxelo ebambekayo ayinakubuyiselwa. Sakhe incwadi yemiyalelo malunga neendlela zokusilela-hayi amanyathelo. Iphepha 12 alitsho ukuba “ncamathisela i-sprue.” Ithi: “Ukuba isprue sakho sigqabhukile ngexesha lokuzaliswa kweflaski, jonga ubushushu be-wax (mabube>>50°C) kunye nedayamitha yesprue (≥2.5 mm kwiringi).”
Ukusuka kwiFlaski yokuQala ukuya kwiZacholo eziSebenzayo—Akukho kugcinwa kwamasango
Oku ikhithi yokuphosa iwax elahlekileyo ithatha iqanda langaphambili lamava esiseko-kodwa awunyamezeli nto kwiindlela ezimfutshane. Ibandakanya i-hygrometer elinganisiweyo ngenxa yokuba ukufuma okungaphezulu kwe-60% ye-RH kubangela i-slurry yotyalo-mali ukuba isete ngokukhawuleza, ibambe umoya. Ihamba nge-0.01 mm yokudayela i-caliper-kungekhona njengento yokunethezeka, kodwa ngenxa yokuba i-ring shank thickness phantsi kwe-1.2 mm ihluleka ukuvavanywa kwe-tensile kwi-120 N. Loo manani awanasizathu. Batsalwa kwi-ASTM F2590 (imigangatho yokuqina kwezacholo) kwaye yaqinisekiswa kwiziko lethu le-ISO 9001-eqinisekisiweyo eQingdao-apho siphosa izindlu zempompo zezixhobo ze-oyile ezikude nonxweme zisebenzisa ikhemistri yotyalo-mali efanayo kunye neprothokholi yokufunxa.
Awuthengi ikiti yokuzonwabisa. Ufikelela kuqeqesho lwenkqubo yodidi lwemizi-mveliso, ethotyiweyo ngaphandle kokudityaniswa. Imilomo efanayo ye-cobalt-alloy esiyisebenzisayo kwiinkqubo ze-hydraulic zixhomekeke kulawulo olufanayo lolwandiso lwe-thermal, i-kinetics yokutshisa i-binder efanayo, ingqiqo efanayo yokubumba ingqibelelo. Ukuchaneka akugcinelwanga kwikhontrakthi yezigidi zeerandi. Iqala apho iwax yakho idibana notyalo-mali.
Qala ngewax. Hlonipha ijiko lokudinwa. Themba ivacuum. Phosa iringi yakho yokuqala-kungekhona njengokuziqhelanisa, kodwa njengobungqina bokuba ulawulo luqala ixesha elide ngaphambi kokuba isinyithi sihambe.
