Poob-wax Casting Ntawm Micro Iav Titanium Alloy
Cov iav me me tau siv dav hauv ntau lub tshuab precision xws li aerospace, khoom siv hluav taws xob, thiab cov khoom siv kho mob, xav tau qhov me me thiab siab precision. Titanium alloys, with their advantages of low density, high strength, and good corrosion resistance, are ideal materials for manufacturing miniature gears.
Txheej txheem cej luam ntawm Poob -Wafer Casting ntawm Titanium Alloy rau Miniature Gears
Cov iav me me tau siv dav hauv ntau lub tshuab precision xws li aerospace, khoom siv hluav taws xob, thiab cov khoom siv kho mob, xav tau qhov me me thiab siab precision. Titanium alloys, with their advantages of low density, high strength, and good corrosion resistance, are ideal materials for manufacturing miniature gears. Poob-wafer casting (kev nqis peev casting) yog txheej txheem txheej txheem uas tuaj yeem ua tiav qhov kev tsim khoom siab -precision, complex- zoo li qhov chaw, ua rau nws tsim nyog rau kev tsim cov khoom me me.
Miniature Iav Titanium Alloy Poob -Wafer Casting txheej txheem
o. Pwm Tsim thiab Tsim Khoom: Raws li cov qauv tsim ntawm cov iav me me, 3D qauv yog tsim los ntawm kev siv computer-aided design (CAD) software, thiab tom qab ntawd lub siab- pwm precision yog tsim los ntawm CNC machining. Qhov tseeb qhov tseeb thiab qhov zoo ntawm cov pwm ncaj qha cuam tshuam rau qhov zoo ntawm cov qauv siv quav ciab. Rau cov iav me me, qhov ntev ntev ntawm cov pwm yuav tsum tau tswj nyob rau hauv ib qho me me, xws li ± 0.01mm lossis me dua.
o. Kev xaiv thiab kho cov khoom siv quav ciab: Cov khoom siv quav ciab tsim nyog raug xaiv. Feem ntau, cov khoom siv quav ciab yuav tsum muaj fluidity zoo, tsawg shrinkage, thiab muaj zog me ntsis. Cov ntaub ntawv siv quav ciab muaj xws li paraffin- cov khoom siv stearic acid.
o. Wax Moulding: Cov khoom siv wax yog rhuab thiab melted mus rau ib tug haum kub kom tshem tawm impurities thiab cua npuas, kom ntseeg tau qhov zoo ntawm cov qauv siv quav ciab.
o. Kev Txhaj Tshuaj Molding: Cov molten wax yog txhaj rau hauv pwm, sau cov pwm kab noj hniav nyob rau hauv tshwj xeeb siab thiab kub tej yam kev mob. Kev txhaj tshuaj thiab qhov kub thiab txias yuav tsum raug tswj xyuas raws li cov khoom siv thiab cov pwm pwm; Piv txwv li, kev txhaj tshuaj siab yuav nyob nruab nrab ntawm 0.2 thiab 0.5 MPa, thiab kub ntawm 50 thiab 70 degree. Tom qab cov quav ciab txias thiab solidifies, cov pwm qhib thiab cov qauv siv quav ciab raug tshem tawm. Cov qauv siv quav ciab yog tom qab ntawd txiav, tshem tawm burrs, flash, thiab lwm yam khoom siv ntau dhau, thiab nws qhov tseeb qhov tseeb thiab qhov zoo ntawm qhov chaw raug kuaj xyuas.
o. Module Assembly: Ib tus qauv siv quav ciab tau sib sau ua ke rau ntawm qhov chaw sprue siv vuam lossis kev sib txuas los tsim ib qho module. Cov qauv tsim qauv yuav tsum xav txog qhov ntws ntawm cov hlau molten thiab qhov cua kom ntseeg tau tias qhov txhaws ntawm cov kab noj hniav thaum lub sij hawm casting thaum tib lub sijhawm tshem tawm cov pa roj. Qhov luaj li cas thiab cov duab ntawm lub sprue bar yuav tsum tau rationally tsim raws li qhov loj thiab tus naj npawb ntawm micro- iav kom ntseeg tau tias cov hlau tsis sib xws thiab ntws.
o. Txheej: Muab cov pwm sib dhos rau hauv cov txheej txheem, kom ntseeg tau tias cov txheej txheem zoo ib yam npog cov qauv siv quav ciab. Cov txheej txheej feem ntau muaj cov ntaub ntawv refractory (xws li silica sol, zircon hmoov, thiab lwm yam) thiab cov ntaub ntawv, thiab nws cov khoom ncaj qha cuam tshuam rau lub plhaub zoo. Kev saib xyuas yuav tsum tau saib xyuas txog qhov viscosity thiab thickness ntawm txheej thaum thov; Feem ntau cov khaubncaws sab nraud povtseg yuav tsum tau, txhua tus muaj peev xwm sib txawv compositions thiab particle qhov ntau thiab tsawg los tsim plhaub txheej nrog ntau yam khoom.
o. Sanding: Tam sim ntawd tom qab txheej, muab cov pwm sib dhos hauv cov xuab zeb, cia cov xuab zeb ua raws li txheej txheej. Qhov loj me me thiab cov khoom siv ntawm cov xuab zeb raug xaiv raws li cov txheej txheem sib txawv ntawm lub plhaub, feem ntau nce los ntawm ntxhib mus rau qhov zoo. Sanding nce lub plhaub lub zog thiab permeability.
o. Qhuav thiab Hardening: Tom qab txhua txheej txheej thiab xuab zeb, cov pwm sib dhos yuav tsum tau qhuav thiab ua kom tawv tawv kom ruaj khov rau hauv cov txheej txheem, tsim lub plhaub ruaj khov. Lub sij hawm ziab thiab hardening thiab tej yam kev mob nyob ntawm seb hom txheej thiab ib puag ncig yam xws li kub thiab av noo, feem ntau yog li ntawm ob peb teev mus rau ob peb hnub. o Dewaxing: Lub plhaub pwm npaj tau muab tso rau hauv lub tshuab dewaxing, qhov cua sov melts tus qauv siv quav ciab thiab tso cai rau nws ntws tawm ntawm lub plhaub. Txoj kev dewaxing muaj xws li dej kub dewaxing thiab chav dewaxing. Lub dewaxing kub thiab lub sij hawm yuav tsum tau tswj raws li cov yam ntxwv ntawm cov wax thiab cov qauv ntawm cov pwm plhaub kom paub meej tias tag nrho cov tshem tawm ntawm cov qauv siv quav ciab tsis ua puas lub plhaub.
o Kev tua hluav taws: Lub plhaub dewaxed pwm tau muab tso rau hauv qhov cub hluav taws kub kom siab - kub hnyiab kom tshem tawm cov khoom seem thiab cov dej noo, txhim kho lub plhaub lub zog thiab refractoriness. Kev tua hluav taws kub yog feem ntau ntawm 800-1100 degree, thiab lub sijhawm tua nyob ntawm qhov loj thiab tuab ntawm lub plhaub, feem ntau 1-3 teev.
o Titanium Alloy Melting: Tsim nyog titanium alloy raw cov ntaub ntawv raug xaiv thiab batched raws li alloy muaj pes tsawg leeg yuav tsum tau. Nqus induction melting thiab lwm txoj kev yog siv los yaj cov titanium alloy raw cov ntaub ntawv. Thaum lub sij hawm melting txheej txheem, tsis xws li melting kub, lub sij hawm, thiab lub tshuab nqus tsev kawm ntawv yuav tsum nruj me ntsis tswj kom lub uniformity thiab purity ntawm cov alloy muaj pes tsawg leeg. Lub melting kub yog feem ntau ntawm 1600 thiab 1800 degree, thiab lub tshuab nqus tsev kawm ntawv yuav tsum mus txog 10⁻³ - 10⁻⁴ Pa.
o. Pouring: Lub molten titanium alloy yog poured rau hauv pwm plhaub nyob rau hauv tej yam kub thiab siab tej yam kev mob. Kev ntsuas kub ntau dhau yuav ua rau lub plhaub pwm ua rau puas tsuaj thiab ua rau cov khoom siv hlau poob, thaum qhov kub tsis txaus yuav txo qhov fluidity ntawm cov hlau molten, cuam tshuam rau kev ua kom zoo. Lub pouring siab thiab ceev yuav tsum tau precisely tswj raws li cov qauv ntawm pwm plhaub thiab qhov luaj li cas ntawm lub micro iav los xyuas kom meej tias cov hlau molten yuav smoothly sau cov kab noj hniav thiab tsim ib tug ua tiav micro iav.
o. Plhaub tshem tawm: Tom qab pouring, ib zaug lub casting tau txias rau chav tsev kub, lub puab plhaub raug tshem tawm siv txoj kev xws li mechanical vibration los yog sandblasting. Kev saib xyuas yuav tsum tau ua kom tsis txhob ua kom puas lub casting thaum lub plhaub tshem tawm.
o. Kev txiav lub rooj vag: Lub casting yog txiav tawm ntawm lub sprue bar, tshem tawm cov khoom seem xws li sprue thiab riser. Thaum txiav, qhov chaw txiav yuav tsum du thiab huv si kom tsis txhob ua rau cov iav puas.
o. Kev kho cua sov: Cov txiav micro-cov iav tau kho cua sov los txhim kho lawv cov microstructure thiab cov khoom. Cov txheej txheem kev kho cua sov feem ntau suav nrog kev kho kev daws teeb meem thiab kev kho kev laus. Qhov kub, lub sij hawm, thiab txias npaum li cas ntawm kev kho cua sov yuav tsum raug tswj raws li qhov muaj pes tsawg leeg thiab kev ua tau zoo ntawm titanium alloy.
o. Kev Ua tiav: Cov micro-cov iav tiav lawm siv kev sib tsoo, lapping, thiab lwm yam kev siv tshuab los txhim kho lawv qhov tseeb qhov tseeb thiab qhov zoo. Cov kev xav tau ntawm kev ua tiav tiav yog siab heev; Dimension kam rau ua tej zaum yuav tswj nyob rau hauv ± 0.005mm, thiab nto roughness ncav cuag Ra0.4 - Ra0.8μm.
o. Kev soj ntsuam: Cov micro- tiav tiav tau txais kev tshuaj ntsuam xyuas, suav nrog qhov tseeb qhov tseeb, qhov tseeb, qhov zoo ntawm qhov chaw, hardness, thiab metallographic qauv. Cov kev tshuaj ntsuam xyuas muaj xws li kev sib koom tes ntsuas tshuab (CMM), kev soj ntsuam microscopic, thiab kuaj qhov tawv. Tsuas yog cov khoom uas dhau kev soj ntsuam tuaj yeem mus rau cov txheej txheem tom ntej lossis xa mus rau kev siv.
Qhov zoo ntawm Poob-Wafer Casting ntawm Titanium Alloy rau Micro-Gears
Siab Precision
Poob-wafer casting tuaj yeem ua raws li cov duab thiab qhov loj ntawm cov qauv siv quav ciab. Rau siab -qhov tseeb xws li micro- iav, nws tuaj yeem ua tiav qhov loj thiab cov duab raug, ua tau raws li qhov yuav tsum tau siv rau hauv cov tshuab precision.
Complex Shape Manufacturing
Poob-wax casting tuaj yeem tsim cov iav me me nrog cov hniav sib txawv thiab cov qauv, cov duab uas nyuaj rau kev ua tiav siv lwm txoj hauv kev machining.
Kev siv cov khoom siv siab heev
Piv nrog rau cov txheej txheem machining ib txwm muaj, poob-vim cov quav ciab txo cov khoom tshem tawm, nce kev siv cov khoom, thiab txo cov nqi tsim khoom.
Zoo Nto Zoo
Cov cam khwb cia cov iav me me muaj qhov tsis zoo ntawm qhov roughness, txo cov kev ua tiav tom ntej thiab txhim kho kev tsim khoom.
Cov kev sib tw thiab kev daws teeb meem hauv Poob -Tsev Casting ntawm Miniature Iav los ntawm Titanium Alloys
Nyuaj hauv Titanium Alloy Melting thiab Casting
Titanium alloys yog cov tshuaj lom neeg muaj zog heev thiab yooj yim cuam tshuam nrog cov ntsiab lus xws li oxygen thiab nitrogen hauv huab cua thaum lub sij hawm melting thiab casting, cuam tshuam rau cov khoom alloy. Qhov kev daws teeb meem yog siv lub tshuab nqus tsev melting thiab casting khoom, nruj me ntsis tswj lub tshuab nqus tsev theem thaum melting thiab casting los tiv thaiv titanium alloys los ntawm kev sib cuag huab cua.
Compatibility teeb meem ntawm Pwm thiab Titanium Alloy
titanium alloys tuaj yeem tiv thaiv cov khoom pwm ntawm qhov kub thiab txias, cuam tshuam rau qhov zoo thiab kev ua haujlwm ntawm cov casting. Nws yog ib qho tsim nyog los xaiv cov khoom tsim pwm thiab txheej txheej, txhim kho cov txheej txheem pwm tsim, thiab txhim kho kev sib raug zoo ntawm cov pwm thiab cov titanium alloy.
Deformation thiab cracking teeb meem nyob rau hauv micro zog
Vim lawv qhov me me thiab cov qauv tsis yooj yim, lub zog micro yog nquag deformation thiab tawg thaum lub sij hawm casting txheej txheem. Qhov no tuaj yeem tiv thaiv tau los ntawm kev ua kom zoo dua cov txheej txheem casting tsis xws li qhov kub thiab txias, qhov nrawm nrawm, thiab qhov txias txias, nrog rau kev tsim qauv ntawm lub rooj vag thiab riser thiab pwm qauv, yog li txo cov thermal stress thiab deformation hauv cov castings.
Xa kev nug
