Thaum koj hnov 'Alloy 6 qhov chaw', dab tsi los rau hauv siab? Rau ntau tus neeg yuav khoom lossis txawm tias qee tus neeg tsim qauv tshiab ntawm txoj haujlwm, feem ntau tsuas yog cov khoom kab ntawm daim ntawv qhia tshwj xeeb: 'Material: Alloy 6.' Lawv xav tias nws yog ib qho kev daws teeb meem - tsuas yog xa cov duab tawm thiab cov khoom yuav tshwm sim. Qhov ntawd yog thawj, thiab loj tshaj, misconception. Alloy 6 tsis yog ib qho, cov khoom siv zoo li 304 stainless; Nws yog ib tsev neeg, feem ntau yog cobalt, nrog rau qhov kos npe sib xyaw ntawm kev hnav tsis kam, corrosion kuj, thiab muaj peev xwm tuav lub zog ntawm qhov kub thiab txias. Dab ntxwg nyoog, raws li ib txwm, yog nyob rau hauv cov ntsiab lus ntawm kev tau txais los ntawm CAD qauv mus rau ib tug haumxeeb, txhim khu kev qha tivthaiv zaum nyob rau hauv lub rooj sib txoos. Nws tsis yog hais txog kev muaj lub tshuab CNC; Nws yog hais txog kev nkag siab txog cov khoom siv coj li cas thaum koj txiav nws, zom nws, lossis, qhov tseem ceeb tshaj, yuav ua li cas koj cam nws ze-net-zoo li cas kom tsis txhob nkim lub hmoov zoo nyob rau hauv machining lub sij hawm ntawm ib qho ntawm cov khoom kim tshaj tawm muaj.
Casting Conundrum: Nws tsis yog Pouring Hlau xwb
Wb tham txog lub hauv paus. Rau cov geometries nyuaj los yog qhov chaw uas yuav tua neeg mus rau lub tshuab los ntawm cov khoom bar Tshuag, casting yog thawj kauj ruam logical. Peb tau ua haujlwm ntau nrog Alloy 6 qhov chaw ntawm peev casting. Qhov huv, meej tiav koj tuaj yeem tau txais los ntawm lub plhaub pwm zoo yog qhov zoo tagnrho rau kev nruj nruj rau cov khoom no feem ntau xav tau. Tab sis ntawm no yog qhov ntes: Alloy 6 muaj lub siab melting point thiab nws lub xeev molten yog ... finicky. Nws tsis ntws zoo li txhuas. Yog tias koj lub rooj vag thiab riser tsis yog tsim los nrog qhov tshwj xeeb viscosity thiab solidification qauv nyob rau hauv lub siab, koj yuav xaus nrog shrinkage porosity txoj cai nyob rau hauv ib qho tseem ceeb seem. Kuv twb pom lawm. Ib pawg ntawm lub rooj zaum valve tau rov qab los ntawm cov neeg siv khoom nrog kev ua tsis tiav thaum lub sijhawm ntsuas siab. X-ray pom ib qho zoo nkauj, tshwj tsis yog rau lub hnab me me, zais ntawm qhov porosity uas dhau los ua txoj hauv kev. Qhov kho tsis yog lub tshuab teeb tsa; nws yog ib tug redesign ntawm lub khob pouring thiab sprue ces kaum los tswj lub tshav kub gradient zoo dua.
Qhov no yog qhov kev paub dhau los, zoo li 30-ntxiv xyoo ntawm lub khw zoo li Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), suav tiag tiag. Nws tsis yog hais txog kev khiav qhov cub. Nws yog hais txog cov qauv tsim, pwm ua ntej kub kub, thiab paub meej tias cov hlau yuav ua li cas hauv koj lub khw tshwj xeeb. Lawv tsom mus rau ob lub plhaub pwm thiab peev casting rau cov ntaub ntawv zoo li qhov no yog qhia - nws txhais tau tias lawv yuav muaj kev sib tw nrog cov kev sib tw metallurgical hla ntau txoj kev casting, uas tsim kom muaj kev nkag siab tob dua. Koj tsis tuaj yeem fake qhov ntawd.
Thiab tom qab ntawd muaj qhov kev tshem tawm tom qab kev tshem tawm. Lub plhaub ceramic yuav tsum tau muab tshem tawm yam tsis muaj kev puas tsuaj los yog ua rau muaj kev ntxhov siab thermal. Xuab zeb blasting tsis yuav tsum yog txoj cai - nruj heev thiab koj ua hauj lwm-harden los yog micro-crack saum npoo, maj mam dhau thiab koj tawm cov seem uas cuam tshuam nrog tom ntej machining lossis txheej. Nws yog ib qho kev sib npaug uas yog kev kos duab ntau dua li kev tshawb fawb qee zaum.
Machining: Qhov twg tus nqi tiag (thiab mob taub hau) nkaum
Okay, yog li koj muaj qhov zoo casting, los yog tej zaum koj tab tom pib los ntawm wrought bar. Tam sim no koj yuav tsum tshuab nws. Qhov no yog qhov uas lub sij hawm 'Alloy 6 qhov chaw' pib txhais mus rau hauv lub khw hauv pem teb cov sij hawm thiab cov cuab yeej siv nyiaj txiag. Cov khoom no yog abrasive. Nws luag ntawm cov cuab yeej HSS txheem. Koj xav tau carbide, thiab feem ntau cov qib tshwj xeeb nrog cov txheej txheem tshwj xeeb. Txawm li ntawd los, cov cuab yeej lub neej yog ib feem ntawm qhov koj yuav tau txais nrog hlau.
Peb kawm qhov no txoj kev nyuaj ntawm lub twj tso kua mis ncej project. Programmed nws zoo li tawv stainless hlau. Thawj qhov ntxig tau ntev li peb feeb ua ntej lub ntug tau ploj mus tag. Qhov kev ua tiav yog qhov txaus ntshai, thiab peb yuav tsum nres thiab rov ntsuas txhua yam - nrawm, pub, qhov txias txias thiab siab (dhau dej txias yog qhov yuav tsum tau, tsis yog qhov kev xaiv), txawm tias lub cuab yeej txoj kev zoo. Nce milling piv rau cov pa milling ua qhov sib txawv ntawm ntug kev ruaj ntseg. Koj kawg khiav qeeb dua li koj xav khaws cov cuab yeej, uas ua rau lub sijhawm ua haujlwm, uas ua rau tus nqi nce. Txhua feeb ntawm lub spindle nrog cov khoom no yog kim.
Qhov no yog vim li cas tus neeg muag khoom lub peev xwm CNC machining yuav tsum tau tham hauv cov ntsiab lus ntawm cov khoom. Ib lub khw uas feem ntau ua aluminium tsis tau txais kev teeb tsa Alloy 6. Lawv xav tau lub tshuab zoo rigidity, spindle zog, thiab, qhov tseem ceeb tshaj plaws, kev paub txog txheej txheem. Saib ntawm QSY cov ntaub ntawv teev npe - cam khwb cia hlau, hlau, stainless, ces tshwj xeeb hu tawm cobalt thiab npib tsib xee alloys - uas yog lub teeb liab. Nws hais tias lawv yuav tsum tau ntsuas lawv cov txheej txheem machining rau tag nrho cov spectrum no, los ntawm tus phooj ywg zoo mus rau qhov nyuaj nyuaj. Tej zaum lawv tau kub hnyiab los ntawm lawv qhov sib koom ntawm cov ntxig kom tau txais cov kev txwv tsis raug hu rau hauv.
Lub Fixturing Side-Quest
Ib qho yooj yim tab sis tseem ceeb tangent: fixturing. Vim tias koj txiav qeeb dua thiab cov khoom siv tawv, txiav quab yuam sib txawv. Koj qhov kev sib tw yuav tsum yog pob zeb-khoom kom tiv thaiv kev sib tham, tab sis koj kuj tsis tuaj yeem clamp nyuaj uas koj cuam tshuam qhov nyias-walled casting. Rau kev khiav ntawm lub nplhaib sib khi peb tau ua, peb yuav tsum tsim ib qho kev cai mandrel nrog cov thermal expansion coefficient ze rau Alloy 6's, vim tias cov cua sov los ntawm kev ua haujlwm yuav nthuav dav rau ntawm tus qauv steel mandrel, thiab thaum nws txias, nws yuav tawm mus. Cov ntsiab lus me me li ntawd cais ib feem siv tau los ntawm ib qho khoom seem.
Daim Ntawv Qhia Tshwj Xeeb Alloys thiab Nws txhais li cas tiag
Cov neeg muag khoom feem ntau ntim cov ntaub ntawv zoo li no hauv qab tshwj xeeb alloys. Nws yog ib lub thoob yooj yim, tab sis raws li ib tug neeg yuav khoom los yog engineer, koj yuav tsum tau khawb tob. Tshwj xeeb txhais tau tias nws yuav tsum tau tshwj xeeb tuav, tshwj xeeb cov txheej txheem tswj, thiab tshwj xeeb saib xyuas kom meej. Rau Alloy 6 qhov chaw, ib qho ntawm cov ntsiab lus tseem ceeb yog kev kho cua sov. Thaum nws feem ntau siv rau hauv cov txheej txheem zoo li-cam khwb cia lossis kev daws teeb meem, qee zaum yuav tsum muaj kev kho kev laus tshwj xeeb rau precipitate carbides kom pom kev hnav tsis kam. Yog tias lub khw tsis tau nruab nrog qhov tseeb, calibrated rauv thiab tsis sau cov sijhawm-kub nkhaus, koj tuaj yeem tau txais kev ua haujlwm tsis sib xws ntawm batch mus rau batch.
Traceability yog lwm qhov loj. Qhov no tsis yog ib yam khoom. Koj xav tau ib daim ntawv pov thawj uas rov qab mus rau lub yaj. Reputable foundries thiab machinists yuav muab qhov no raws li qhov tseeb. Nws yog ib feem ntawm lub pob thaum koj tab tom soj ntsuam nrog kev ua haujlwm siab alloys. Thaum ntsuam xyuas tus khub, lawv qhov kev txaus siab thiab kev muaj peev xwm los muab tag nrho cov ntaub ntawv traceability yog qhov lim ceev rau lawv qhov hnyav tag nrho txog qhov zoo.
Qhov no rov qab mus rau keeb kwm kev ua haujlwm ntawm ib lub tuam txhab. Ib lub tuam txhab uas tau ua haujlwm hauv casting thiab machining rau ntau tshaj peb xyoo lawm, zoo li QSY, tau xav tias tsim cov tshuab rau qhov no. Lawv tau tshaj tawm cov kev tshuaj xyuas zoo, tau hais txog cov ntaub ntawv tsis raug cai, thiab ua kom zoo dua lawv cov txheej txheem. Qhov kev paub ntawm lub tuam txhab yog qhov koj tab tom yuav tiag tiag, tsis yog kev tshem tawm lub cev ntawm cov hlau.
Tsis Ua Ib Tug Xib Fwb: Zaj Dab Neeg Txog Lub Cev
Kuv mam li qhia cov ntaub ntawv luv luv uas tsis yog qhov ua tiav, tab sis qhia peb ntau tshaj li kaum ob txoj haujlwm. Nws yog lub tawb nqa khoom, ib qho yooj yim lathed ib feem ntawm Alloy 6 round stock. Cov ntawv luam tawm hu ua qhov zoo heev ntawm qhov kawg ntawm daim ID. Peb ua tiav nws hauv lub khw, ntsuas nws, nws saib zoo meej. Tab sis nyob rau hauv kev pab cuam, nws ua tsis tau tejyam ntxov ntxov vim galling. Kev soj ntsuam tom qab kev tuag taw qhia rau cov txheej txheem machining nws tus kheej. Peb tau ua tiav qhov zoo, tab sis hauv kev ua li ntawd, peb kuj tau tsim ib qho chaw microstructure tshwj xeeb uas ua rau cov nplaum hnav hauv qab. Qhov kev daws tsis yog qhov ua tiav zoo dua; nws yog kev tswj hwm, me ntsis rougher tiav los ntawm kev sib tsoo sib txawv uas tsim kom muaj qhov zoo tshaj plaws saum npoo av. Cov spec tsis yog lawm, thiab peb tsis muaj kev paub los nug nws. Tam sim no peb ib txwm nug txog daim ntawv thov ib puag ncig thiab cov xwm txheej thauj khoom ua ntej ua tiav cov lus hais tiav ntawm cov hlau no.
Kev Tshawb Fawb thiab Lub Sijhawm Tiag Tiag
Thaum kawg, pragmatic taw tes ntawm kev muab khoom Alloy 6 qhov chaw. Lub sijhawm ua haujlwm. Yog tias koj xav tau lawv sai, koj feem ntau tsis muaj hmoo. Cov khoom siv raw yuav tsis nyob ntawm lub txee. Lub voj voog casting, suav nrog kev tsim qauv, pwm tsim, nchuav, txias, thiab ntxuav, ntsuas hauv lub lis piam, tsis yog hnub. Machining yuav siv sij hawm ntev dua vim ceev ceev ceev thiab pub. Kev tshuaj xyuas zoo yog koom nrog ntau dua. Rushing ib qho ntawm cov theem no yog ib daim ntawv qhia rau kev puas tsuaj. Tus neeg muag khoom muaj tseeb yuav tsis cog lus tias yuav hloov pauv ib lub lim tiam; lawv yuav coj koj mus rau lawv cov txheej txheem ncua sij hawm. Tus khub zoo tswj kev cia siab ua ntej. Tshawb xyuas tus neeg muag khoom lub vev xaib, zoo li tsingtaocnc.com, rau lawv cov peev txheej tau hais tseg yog qhov pib, tab sis qhov kev sim tiag tiag yog nyob rau hauv kev sib tham: lawv puas nug cov lus nug zoo txog koj daim ntawv thov, lossis lawv puas cia li hais nqe thiab hnub? Cov qub feem ntau qhia tias lawv tab tom xav txog yuav ua li cas ua haujlwm, tsis yog yuav ua li cas.
Thaum kawg, ua tiav Alloy 6 qhov chaw kev tsim khoom yog kev sib koom tes. Nws yog nruab nrab ntawm tus tsim qauv uas nkag siab txog cov kev xav tau ntawm kev ua haujlwm, metallurgist lossis foundry engineer uas nkag siab txog cov khoom siv tus cwj pwm, thiab tus kws kho tshuab uas nkag siab yuav ua li cas los tsim nws yam tsis muaj kev cuam tshuam nws cov khoom. Nws yeej tsis yog ib qho kev xaj khoom xwb. Nws yog ib txheej txheem, nrog rau tag nrho cov wrinkles, kho, thiab daws teeb meem uas entails. Lub hom phiaj yog kom xaus nrog cov khoom uas tsis yog ua tau raws li cov ntawv luam tawm xwb, tab sis tseem muaj sia nyob hauv lub ntiaj teb tiag tiag uas cov ntawv luam tawm tsis tau mus.
