Koj pom Inconel 600 spec'd ntawm kev kos duab txhua lub sijhawm rau qhov kub thiab txias ib puag ncig, thiab nws yuav luag dhau los ua qhov kev xaiv ua ntej. Tab sis qhov ntawd yog qhov twg thawj ntxiab dag - xav tias nws yog ib qho loj-haum-tag nrho super alloy. Tsis yog. Nws yog ib qho khoom, txhim khu kev qha Nickel-raws li alloy, paub meej, nrog zoo oxidation tsis kam mus txog 2150 ° F. Tab sis kuv tau pom tej yaam num mus rau sab thaum tib neeg xav tias nws cov corrosion kuj npog txhua yam, xws li kub chlorides los yog txo cov kua qaub. Tsis yog. Qhov ntawd yog txoj haujlwm rau Inconel 625 lossis C-276. 600 yog koj mus-rau rau cov khoom siv hluav taws xob, cov khoom siv tshuaj lom neeg, lossis cov khoom siv hluav taws xob vim tias nws ruaj khov, nws tau kwv yees, thiab hais ncaj ncees, nws tau nyob ib puag ncig mus ib txhis yog li muaj lub roob ntawm cov ntaub ntawv. Tab sis kev kwv yees tsis tau txhais hais tias yooj yim ua haujlwm nrog.
Machining Dance: hwm cov khoom
Cia peb tham txog kev ua kom zoo. Yog tias koj tuaj ntawm machining 304 lossis txawm tias 316 stainless, Inconel 600 yuav xav txawv. Nws ua hauj lwm nyuaj. Ua nruj ua tsiv. Lub teeb, tsis kam txiav yog qhov phem tshaj plaws uas koj tuaj yeem ua tau - koj tsuas yog glaze rau saum npoo thiab tua koj lub cuab yeej. Koj yuav tsum tau nyob rau hauv uas ua hauj lwm-hardened txheej nrog ib tug zoo rake, ntse cuab yeej, thiab tuav ib tug zoo ib yam, ruaj pub. Carbide yog qhov yuav tsum tau ua. Peb khiav ntau ntawm peb CNC machining kev ua haujlwm rau cov neeg siv khoom uas xav tau cov khoom sib luag los ntawm cov khoom lag luam bar lossis ze-net-shaped castings, thiab cov programming yuav tsum suav rau qhov no. Coolant flow yog ib qho tseem ceeb, tsis yog tsuas yog ua kom txias tab sis pab nrog nti khiav tawm. Stringy chips tuaj yeem tsim kev puas tsuaj.
Kuv nco qab ib pawg ntawm lub valve stems peb tig. Cov ntawv luam tau hu kom ua tiav zoo ntawm ib ntu ntev, sib luag. Thawj ob peb ntu tuaj nrog tus qauv sib tham txaus ntshai. Peb tau soj ntsuam txhua yam - lub cuab yeej khiav tawm, spindle bearings, workpiece clamping. Qhov teeb meem? Peb tau siv tib qhov ntxig geometry peb siv rau qhov zoo sib xws 17-4PH. Tsis yog. Hloov mus rau qhov ntse dua, zoo dua geometry nrog rau qib Inconel qib substrate, txo lub qhov ntswg vojvoog me ntsis, thiab nce qhov pub tsuas yog kov. Lub chatter ploj mus thiab qhov tiav zoo li iav. Nws yog cov kev hloov maj mam uas los ntawm kev khiav haujlwm, tsis yog nyeem phau ntawv xwb.
Drilling thiab tapping yog lawv tus kheej qhov kev sib tw tshwj xeeb. Peck drilling yog koj tus phooj ywg los rhuav tshem cov chips. Rau tapping, peb yuav luag ib txwm hais kom muab kauv-flute kais rau hauv-qhov lossis daim ntawv kais dej rau qee qhov kev siv qhov muag tsis pom. Qhov tseem ceeb yog tsis txhob cia lub cuab yeej nyob. Nws yog ib qho kev nruam, kev ntseeg siab. Yog tias koj tso tseg, koj yuav zoo li snap tus kais dej lossis tso cov xov dhau qhov rov qab los. Peb khaws ib cov cuab yeej tshwj xeeb rau cov no Nickel-raws li alloys ntawm peb lub khw kom tsis txhob muaj kab mob sib kis ntawm cov qauv coj los ntawm cov haujlwm steel.
Casting Considerations: Nws yog txhua yam hais txog tus txheej txheem
Qhov no yog qhov chaw foundry sab ntawm tej yam tau nthuav. Peb ua tus nqi ncaj ncees ntawm peev casting nrog Inconel 600, tshwj xeeb tshaj yog rau complex, nyias-walled Cheebtsam xws li turbine seals los yog manifold qhov chaw. Lub alloy pours zoo, tab sis nws rhiab heev rau pouring kub thiab pwm preheat. Txias txias heev, thiab koj yuav raug mob mistrus lossis txias kaw. Kub dhau, thiab koj tuaj yeem tau txais cov qoob loo ntau dhau los yog cov tshuaj tiv thaiv nrog lub plhaub ceramic, ua rau muaj qhov tsis xws luag.
Gating thiab rising tsim yog qhov tseem ceeb heev. Inconel muaj qhov tseem ceeb shrinkage yam thaum lub sij hawm solidification. Yog hais tias koj tsis pub lub casting kom zoo, koj yuav tau txais shrinkage porosity nyob rau hauv tuab seem. Peb kawm qhov no nyuaj heev xyoo dhau los ntawm lub twj tso kua mis. Lub cev yog suab, tab sis qhov hnyav flange muaj ib qho chaw ntxeem tau uas tsuas yog tshwm sim thaum lub sijhawm ua haujlwm tom qab. Nqis. Tam sim no, peb simulation software pab, tab sis tsis muaj qhov hloov pauv rau tus tsim engineer lub qhov muag thaum tsim cov ntoo layout. Peb feem ntau siv exothermic risers los yog chills los tswj cov kev taw qhia solidification.
Kev kho cua sov tom qab casting feem ntau yog ib qho kev daws teeb meem, feem ntau nyob ib puag ncig ° F ua raws li qhov nrawm nrawm. Qhov no dissolves ib theem ob thiab ua rau koj rov qab mus rau ib qho kev sib xws, mos mos rau machining. Tab sis ntawm no yog ib tug nuance: lub quench nruab nrab tseem ceeb. Dej quench muab rau koj qhov muag muag tab sis tuaj yeem ua rau muaj kev ntxhov siab ntau dua thiab cuam tshuam ntawm cov duab nyuaj. Qee lub sij hawm, rau kev sib tw zoo nkauj, peb tuaj yeem xaiv qhov cua txias lossis txawm tias lub tshuab hluav taws xob tswj tau txias kom txo qis kev sib tw, lees txais qhov nyuaj dua me ntsis. Nws yog kev lag luam tawm uas koj sib tham nrog cov neeg siv khoom raws li daim ntawv thov zaum kawg ntawm kev ua siab ntev rau distortion piv rau machinability.
Kev sib raug zoo ntawm tus neeg muab khoom: Ntau tshaj li qhov kev yuav khoom xwb
Koj tsis tuaj yeem yuav Inconel 600 zoo li cov khoom siv hlau. Qhov zoo ntawm cov khoom siv raw - txawm tias bar, phaj, lossis casting feedstock - yog qhov tseem ceeb. Traceability yog tsis-negotiable rau feem ntau ntawm peb cov neeg nyob rau hauv aerospace, tshuaj, los yog hluav taws xob tsim. Peb xav tau cov ntawv pov thawj zeb, tus lej xov tooj cua sov, tag nrho cov tshuaj ntsuam xyuas thiab cov cuab yeej cuab tam qhia. Ib qho kev hloov me me hauv cov ntsiab lus carbon lossis aluminium tuaj yeem hloov cov khoom pom tau zoo.
Qhov no yog vim li cas kev sib raug zoo mus sij hawm ntev nrog reputable mills thiab foundries tseem ceeb. Rau peb txoj haujlwm casting ntawm Qingdao Qiangsenyuan Technology Co., Ltd. (QSY), peb tau txais cov qib premium-qib Inconel 600 ingots thiab thim rov qab los ntawm cov npe luv luv ntawm cov neeg xa khoom peb tau tshawb xyuas thiab khiav cov kev sim nrog ntau tshaj peb lub xyoo dhau los hauv kev lag luam no. Nws yog hais txog kev sib xws. Ib qho kev sib txawv ntawm batch-rau-batch yuav tsis tshwm sim rau ntawm daim ntawv pov thawj, tab sis nws tuaj yeem tshwm sim raws li qhov sib txawv me ntsis hauv kev ua haujlwm lossis kev sib txuas, cuam tshuam koj cov sijhawm tsim khoom.
Thaum peb muab ib qho tiav machined casting los yog ib feem, cov khoom siv traceability ua raws nws txhua txoj kev. Peb ntim cov ntawv pov thawj nrog cov khoom xa tuaj. Rau qee tus neeg siv khoom, peb txawm muab cov duab macro / micro ntawm cov qauv daim coupon los ntawm tib lub tshav kub. Nws tsim kev ntseeg siab. Lawv tsis yog yuav ib qho khoom siv xwb; lawv tab tom yuav qhov kev lees paub tias cov khoom siv pedigree tsis zoo thiab cov txheej txheem tom qab nws raug tswj. Qhov ntawd yog qhov uas tus kws tshaj lij coj tuaj rau lub rooj dhau los ua ib qho duab xwb.
Vuam thiab Fabrication: Qhov twg Theory ntsib lub teeb
Vuam Inconel 600 yog ib qho kev tsim cov qauv lossis kho cov castings. Nws suav hais tias yog yooj yim weldable, tab sis yooj yim yog ib lo lus txheeb ze. Koj yuav tsum huv si scrupulously. Ib qho roj, roj, lossis txawm tias tus cwj mem residue tuaj yeem ua rau cov pa roj carbon monoxide thiab embrittlement hauv thaj chaw weld. Peb siv stainless hlau xaim txhuam rau cov nickel alloys rau tu.
Cov hlau muab tub lim feem ntau yog ERNiCr-3 rau kev sib xyaw ua ke. Koj yuav tsum tau tswj cov cua kub nkag. Siab dhau lawm, thiab koj tuaj yeem ua rau cov qoob loo loj hlob ntau dhau ntawm thaj chaw kub ntxhov (HAZ), txo cov ductility. Peb siv TIG (GTAW) rau feem ntau precision ua hauj lwm, raws li nws muaj kev tswj zoo tshaj plaws. Rau kev kho ntawm qhov loj plhaub molding peb tau ua rau lub tshav kub kho fixture, peb yuav tsum tsim ib tug hnav ntug. Qhov kev ua kom yuam kev yog siv lub taub me me muab tub lim hlau, stringer hlaws, thiab cia qhov txias ntawm qhov hla. Tsis muaj weaving. Tsuas yog ncaj, nqaim hlaws kom txo qis tag nrho cov cua sov pov tseg rau hauv ib feem.
Kev kho cua sov tom qab tsis yog ib txwm xav tau rau Inconel 600, tab sis nws feem ntau pom zoo rau cov kev pabcuam tseem ceeb los txo cov kev ntxhov siab thiab ua kom pom kev tiv thaiv corrosion. Qhov kev txiav txim siab hinges ntawm tus qauv tsim thiab ib puag ncig kev pabcuam. Yog hais tias lub welded los ua ke mus rau hauv ib tug cyclic thermal kev pab cuam, peb yuav luag ib txwm hais kom muaj kev ntxhov siab. Nws yog pheej yig dua li qhov ua tsis tiav.
Daim Ntawv Thov Pitfalls thiab Lessons Learned
Nws tsis yog txhua zaj dab neeg ua tiav. Ib tug uas sticks nrog kuv koom nrog ib txheej ntawm radiant raj rau ib tug carburizing rauv. Tus neeg siv khoom spec'd Inconel 600 raws li nws lub zog kub kub. Cov raj tau tsim kom zoo nkauj, ntsia, thiab ua tsis tau zoo tom qab ob peb lub hlis. Qhov teeb meem? Carburization. Lub qhov cub cua sov yog nplua nuj nyob rau hauv carbon, uas diffused rau hauv lub raj phab ntsa ntawm kev khiav hauj lwm kub, tsim loj heev, brittle carbides. Cov hlab tawg. Inconel 600 muaj qhov zoo oxidation tsis kam, tab sis nws tsis yog carburization-resistant alloy. Qhov ntawd yog ib zaj lus qhia rau rau daim duab. Peb yuav tsum tau thawb rov qab thiab pom zoo ib qho hlau xws li 601 lossis 617 rau qhov chaw tshwj xeeb. Tam sim no, peb ib txwm thov kom tag nrho cov kev pabcuam huab cua muaj pes tsawg leeg, tsis yog qhov kub thiab txias xwb.
Lwm qhov hloov maj mam yog thermal qaug zog. Inconel 600 muaj zog qaug zog zoo, tab sis nyob rau hauv daim ntawv thov nrog ceev thermal cycling, lub coefficient ntawm expansion teeb meem. Peb muaj ib tug bracket uas tau bolted rau ib tug qauv ua los ntawm ib tug txawv cov khoom. Thaum caij tsheb kauj vab, qhov sib txawv ntawm qhov sib txawv ua rau muaj kev ntxhov siab siab ntawm cov ntsia hlau qhov, ua rau tawg. Qhov kho tsis yog qhov hloov pauv ntawm cov khoom siv, tab sis ib qho kev tsim kho tshiab kom tso cai rau kev txav mus los ntau dua, hloov mus rau qhov sib txawv ntawm qhov sib txawv. Qee zaum qhov kev daws teeb meem yog mechanical, tsis yog metallurgical.
Yog li, rov qab mus rau qhov pib. Inconel 600 yog ib qho zoo heev, ntau yam alloy. Nws yog lub hauv paus ntawm ntau lub tshuab ua lag luam. Tab sis nws tus nqi tsuas yog paub meej thaum koj, lossis koj tus neeg muag khoom, nkag siab txog nws cov ciam teb nrog rau nws lub zog. Nws tsis yog khawv koob. Nws yog ib qho cuab yeej. Thiab zoo li txhua yam cuab yeej precision, nws qhov kev ua tau zoo yog nyob ntawm kev txawj thiab kev paub ntawm cov neeg qhia nws, shaping nws, thiab muab tso rau hauv kev pabcuam. Qhov ntawd yog qhov sib txawv ntawm ib feem uas ua haujlwm ntawm daim ntawv thiab ib qho uas kav ntau xyoo hauv daim teb.
