Ihe nkedo itinye ego nke obere na-ebunye akụkụ ọla n'ụdị net nke ziri ezi n'okpuru gram 50 - na-adịkarị mfe dịka 0.5 g - na nnabata siri ike karịa ± 0.05 mm na elu gwụchara ruo Ra 1.6 µm. Mgbe oche valvụ hydraulic gị ga-emechirịrị na 420 mmanya, ma ọ bụ cobalt alloy pump nozzle ga-adị ndụ 800ºC ịnya igwe ka ị na-egbochi mbuze site na slurry abrasive, nkedo ntinye ego abụghị ihe dị mma. Ọ bụ naanị usoro na-ejide geometry, nhazi ọka na kemịkalụ na mkpọchi n'ofe ọ bụla.
Anyị emepụtala ihe karịrị 17,000 ihe nkedo micro-casts kemgbe 2019-karịsịa AMS 5387 cobalt alloy nozzles, T800 dabeere na etiti shaft rollers, na igwe anaghị agba nchara piston n'okpuru 32 mm n'ogologo ogologo. N'ime batch ọ bụla, anyị na-ahụ otu eziokwu ahụ: nkedo itinye ego ọkọlọtọ ada ada n'okpuru 10 g. Iguzosi ike n'ezi ihe ebu na-ada. Ihe mgbagha ụkpụrụ wax na-agbago karịa 3%. Ceramic shei permeability na-ada. Njupụta ígwè na-aghọ ihe a na-atụghị anya ya. Ọ bụ ya mere "micro" abụghị naanị nha - ọ bụ maka ịmegharị usoro usoro ahụ dum: mmepụta wax, shei na-ewu usoro, dewax kinetics, preheat ramp rates, na vacuum-enyere aka ịkwanye njikwa.
Ụzọ teknuzu atọ kewapụrụ ezi ihe nkedo itinye ego na obere ihe nkedo agbadata. Nke mbụ, ngwá ọrụ ụkpụrụ ga-agba ọsọ na ± 1.5 µm repeatability-ọ bụghị ±5 µm. Anyị na-eji ihe nchara P20 siri ike nwere oghere electro-egbu maramara yana nkeji ịgba ọgwụ kwụsiri ike. Nke abuo, sistemu shei choro ihe owuwu okpukpu ise: akwa akwa abuo nwere submicron zircon, akwa etiti abuo nwere silica fused, na otu uwe nrụzi ikpeazụ nke nwere nkesa ihe a na-achịkwa. Nke atọ, ịwụsa chọrọ nleba anya nleba anya n'oge agbaze n'ime ± 3 ° C - yana ọkwa oghere na-ejide na 0.08-0.12 mbar n'oge njupụta. Mafere nke ọ bụla n'ime ihe ndị a, ị ga-enweta ụyọkọ porosity n'akụkụ mgbidi dị gịrịgịrị ma ọ bụ ọnụ ụzọ ezughị ezu juputara na njirimara n'okpuru 0.8 mm gbara ọkpụrụkpụ.
Ndị ahịa na-ajụkarị: "Anyị enweghị ike naanị CNC-igwe nke akụkụ ahụ kama?" Maka ụfọdụ geometry—ee. Mana tụlee ihe nkwụnye AMS 5387 cobalt alloy nwere mgbidi 0.6 mm, ọwa mmiri na-ekpo ọkụ n'ime ime, yana ala akara atọ. Machining na-emebi 82% nke akụrụngwa. Ndụ ngwá ọrụ na-adaba na akụkụ 47 kwa ntinye carbide. Na nrụgide fọdụrụnụ site na igwe igwe na-ebute ụta 12 µm na ọgwụgwọ okpomọkụ ikpeazụ. Nkedo itinye ego obere na-amalite n'ụdị netwọk dị nso. Anyị na-etinye ebe a na-egwe ọka 5-axis naanị ebe GD&T na-akpọ ya-dị ka ihu akara ma ọ bụ flange na-arị elu. Nsonazụ ahụ? 63% ọnụ ala ihe onwunwe, 4.2 × oge okirikiri ngwa ngwa, yana ihe ize ndụ efu nke mgbasa micro-crack site na mmebi nke ime ihe na-ebute n'okpuru ala.
Ụlọ ọrụ QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. wuru ya obere itinye ego nkedo ike gburugburu ọrụ ozi-dị oke mkpa akụkụ-ọ bụghị ụlọ nyocha curiosities. Ọ bụla akụrụngwa ụgbọ mmiri nwere traceability zuru ezu: okpomọkụ nọmba, wax lot, shei wu log, wụsa ndekọ, na CMM akụkọ mapụtara na ASME Y14.5 GD&T callouts. Anyị na-akwado nkwụsi ike akụkụ n'ofe okirikiri ọkụ atọ (-40°C ruo +250°C) tupu ahapụ ya. A na-enyocha iguzosi ike n'ezi ihe n'elu site na ngalaba obe SEM - ọ bụghị naanị nyocha anya. Ma ee-anyị na-anwale ọtụtụ alloy T800 ọ bụla maka nkesa cobalt site na iji eserese EDS, n'ihi na oke gamma-beta na-ekwekọghị ekwekọ na-emetụta ndụ ike ọgwụgwụ ozugbo na ogwe etiti winch.
Nkedo itinye ego nke obere na-arụ ọrụ kacha mma mgbe ejikọtara ya na ọzụzụ imewe. Zere nkuku ime dị nkọ - jiri radii ≥0.3 mm mee ihe. Debe oke mgbidi n'okpuru 3: 1. Ezipụta akwụkwọ naanị ebe ịkpụgharị chọrọ ya—0.25° ezuru ọtụtụ shells zircon. Ewepụkwala njiri mara nke dị gịrịgịrị: jikọọ ha na oke na fillet ma ọ bụ ọgịrịga na-akwado ike shei n'oge dewax. Anyị na-enyocha ihe osise ọ bụla maka nkedo tupu anyị ekwuo okwu. N'ọnwa gara aga, anyị gosipụtara 0.45 mm n'okpuru oche valvụ nrụgide nke gaara agbaji shei seramiiki n'oge dewax uzuoku. Nhazigharị were awa abụọ. Chekwaa onye ahịa ụbọchị 11 yana $8,400 n'ime ngwá ọrụ a kpochapụrụ.
Nke a abụghị maka ịbelata usoro ochie. Ọ bụ maka iwulite ndị ọhụrụ - oyi akwa site na oyi akwa, micron site na micron, otutu site na nza. Dị ka nfuli mmanụ mmanụ na-achọ nrụgide dị elu, ka sistemu hydraulic na-agbada n'ime robotics mkpanaka, yana ka cobalt-nickel alloys na-agbanye n'ime envelopu ọrụ 900 Celsius, ntinye ntinye ego na-agbanwe site na niche gaa na mkpa. Ụlọ ọrụ QINGDAO QIANGSENYUAN TECHNOLOGY CO., LTD. na-elekwasị anya ebe nkenke na-ezute ihe ga-esi na ya pụta: akụkụ ndị na-adabaghị naanị-ma na-arụ ọrụ, dị ndụ, na ikwugharị. obere itinye ego nkedo na-amalite obere. Ọ na-ejedebe ebe ntụkwasị obi na-enweghị nkwekọrịta.
