Optimizing Hlau rau Medical Device Manufacturing

Qhov nce ntawm COVID-19 cov neeg mob tau ua rau muaj kev xav tau ntau dua rau cov cuab yeej kho mob, uas dhau los tau hais txog qhov tseem ceeb ntawm kev xaiv cov khoom siv rau cov tsim qauv thiab cov chaw tsim khoom siv kho mob. Nws yog ib qho tseem ceeb uas yuav tau xaiv cov ntaub ntawv tsim nyog rau cov khoom siv kho mob thiab cov cuab yeej siv kom ntseeg tau tias siv tau, zoo, thiab ua raws li cov qauv. Kev xaiv cov ntaub ntawv zoo tuaj yeem muab cov txiaj ntsig zoo tshaj plaws ntawm tus nqi-zoo thiab kev ntseeg siab.

Cov khoom siv hlau biomaterials lossis cov hlau kho mob tau siv dav hauv kev tsim cov khoom siv phais thiab cov cuab yeej, muab ntau yam kev xaiv los xaiv. Kev vam meej ntawm cov ntaub ntawv xws li cobalt-chromium alloy, stainless hlau, titanium, thiab ntau yam alloys, nrog rau lawv txoj kev siv dav hauv kev kho hniav thiab orthopedics, tau ruaj khov qhov tseem ceeb ntawm cov khoom siv kho mob hlau hauv kev tsim khoom siv kho mob.

Thaum tsim cov cuab yeej siv rau kev kho mob thiab kev kho mob, nws yog ib qho tseem ceeb heev rau cov tuam txhab lag luam yuav tsum tau ceev faj hauv kev xaiv cov khoom siv raw uas tsim nyog. Sib nrug los ntawm kev ua kom tau raws li qhov tsim nyog engineering specifications rau daim ntawv thov, cov ntaub ntawv xaiv yuav tsum tau ua kom tsis muaj kev pheej hmoo thaum muaj kev sib cuag nrog tib neeg lub cev lossis ntau yam tshuaj uas nquag ntsib hauv chaw kho mob. Kev saib xyuas kom zoo yuav tsum tau muab rau ob qho tib si kev ua haujlwm thiab kev sib raug zoo ntawm cov ntaub ntawv nrog rau kev siv.

Hauv cov tshuaj thiab kev kho mob, ntau cov hlau ntshiab thiab hlau alloys tau ua pov thawj lawv tus nqi. Kab lus no yuav mus txog kaum peb feem ntau hom hlau biomaterials thiab hlau siv hauv kev tsim khoom siv kho mob.

• 13 Hom Hlau rau Kev Kho Mob Tshooj thiab Kev Tsim Khoom Siv

Cia peb pom kaum peb feem ntau hom ntawm cov hlau ntshiab thiab hlau alloys, lawv cov ntawv thov, thiab lawv qhov zoo thiab qhov tsis zoo hauv kev tsim tshuaj thiab kev kho mob.

1. Stainless hlau

Stainless hlau Nws yog qhov tsim nyog rau ntau yam khoom siv kho mob vim nws tsis muaj tshuaj lom, tsis muaj corrosive, thiab qhov xwm txheej. Tsis tas li ntawd, nws tuaj yeem polished rau qhov zoo kawg nkaus uas tuaj yeem ntxuav tau yooj yim. Raws li cov hlau tsis muaj steel muaj nyob rau hauv ntau qhov sib txawv, txhua tus muaj cov khoom siv sib txawv thiab tshuaj lom neeg, xaiv hom tsim nyog yog qhov tseem ceeb.

316 thiab 316L stainless hlau yog cov feem ntau siv ntau hom kev kho mob cog thiab tho lub cev vim lawv tshwj xeeb corrosion kuj. Cov cwj pwm no yog qhov tseem ceeb hauv kev tiv thaiv cov hlab ntsha ntawm cov hlab ntsha, uas tuaj yeem ua rau muaj kab mob thiab ua rau tuag taus. Tsis tas li ntawd, cov hlau tsis muaj cov nickel tsawg yog li cov neeg mob tsis tshua muaj kev tsis haum rau cov nickel.

440 stainless hlau feem ntau yog siv los tsim cov cuab yeej phais. Thaum nws tuaj yeem muab kev tiv thaiv qis dua piv rau 316, nws cov ntsiab lus carbon ntau dua tso cai rauKev kho cua sov, ua rau lub creation ntawmntse ntug haum rau cov cuab yeej txiav. Stainless hlau pom dav siv nyob rau hauv orthopedics, xws li hloov lub duav pob qij txha thiab stabilization ntawm fractured pob txha siv screws thiab daim hlau. Ntxiv mus, nws nquag ua haujlwm rau kev tsim cov cuab yeej siv kho mob kom ruaj khov thiab huv tau yooj yim xws li hemostats, tweezers, forceps, thiab lwm yam khoom siv uas yuav tsum tau ua kom muaj zog thiab tsis muaj menyuam.

Txij li cov hlau tsis muaj hlau muaj hlau, uas tuaj yeem ua rau corrosion mus rau lub sijhawm, muaj kev pheej hmoo rau cov ntaub so ntswg ib puag ncig raws li cov khoom cog deteriorates. Hauv kev sib piv, cov hlau kho mob zoo li titanium lossis cobalt chrome muab kev tiv thaiv corrosion ntau dua. Txawm li cas los xij, nco ntsoov tias cov khoom siv hlau no tuaj yeem raug nqi ntau dua.

2. Tooj

Vim nws lub zog tsis muaj zog,tooj liab Nws tsis yog siv dav rau kev tsim cov khoom siv phais thiab kev cog qoob loo. Txawm li cas los xij, nws cov tshuaj tiv thaiv kab mob thiab tshuaj tua kab mob tseem ceeb ua rau nws muaj kev xaiv dav dav hauv kev phais thiab kev tiv thaiv kab mob.

Kev siv tooj liab ncaj qha rau kev cog ntoo kho mob tsis tshua muaj vim nws qhov muag muag thiab muaj peev xwm toxicity hauv cov ntaub so ntswg. Txawm li cas los xij, qee qhov tooj liab alloys tseem ua haujlwm hauv kev cog hniav thiab txo qis kev pheej hmoo kis mob hauvkev phais pob txha.

Tooj liab tiag tiag zoo li cov hlau kho mob vim nws tshwj xeeb tshuaj tua kab mob thiab tshuaj tua kab mob. Qhov no ua rau tooj liab yog ib qho khoom siv zoo tshaj plaws rau cov khoom siv uas nquag kov, xws li lub qhov rooj, lub txaj, thiab cov keyboards. Dab tsi ua rau tooj liab sib nrug yog qhovFDAtau pom zoo ntau dua 400 qhov sib txawv tooj liab alloys li biocidal, tiv thaiv kev kis tus kab mob zoo li SARS-CoV-2.

Thaum raug rau ib puag ncig, tooj liab ntshiab yooj yim nkag mus rau oxidation, ua rau muaj xim ntsuab. Txawm li cas los xij, nws tuav nws cov khoom antimicrobial. Txawm li cas los xij, qee tus neeg tuaj yeem pom qhov hloov pauv tsis zoo. Txhawm rau hais txog qhov no, cov hlau nplaum feem ntau yog ua haujlwm, muab ntau theem ntawm kev ua tau zoo tiv thaiv microbes. Lwm qhov kev xaiv yog siv cov xim nyias nyias los tiv thaiv oxidation thaum khaws cov tshuaj tua kab mob ntawm tooj liab.

3. Titanium

Titanium yog nyiam heev ntawm cov hlau uas nquag siv hauv kev tsim khoom siv kho mob. Sib nrug los ntawm cov khoom siv kho mob sab hauv, nws tseem ua haujlwm hauv kev tsim cov khoom siv sab nraud xws li cov cuab yeej phais, cov cuab yeej kho hniav, thiab cov iav orthopedic. Ntshiab titanium, paub tias yog inert tsis tshua muaj, yog qhov kev xaiv kim tshaj plaws feem ntau tshwj tseg rau cov khoom siv siab tshaj plaws los yog cov uas npaj rau kev siv mus sij hawm ntev hauv tus neeg mob lub cev tom qab kev phais.

Niaj hnub no, titanium feem ntau siv los hloov cov hlau tsis muaj steel, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov pob txha txhawb nqa thiab cov khoom hloov. Titanium muaj qhov sib piv lub zog thiab ua haujlwm ntev rau cov hlau tsis muaj steel thaum sib dua hauv qhov hnyav. Tsis tas li ntawd, nws showcases zoo heev biocompatibility zog.

Titanium alloys yog qhov tsim nyog rau kev cog hniav ib yam nkaus. Qhov no yog vim qhov tseeb tias titanium tuaj yeem siv rau hauvhlau 3D luam ntawv los tsim cov khoom tsim kho kom haum raws li tus neeg mob qhov kev soj ntsuam thiab X-rays. Qhov no ua rau muaj kev sib haum xeeb thiab kho tus kheej.

Titanium stands rau nws lub teeb yuag thiab robust xwm, surpassing stainless hlau nyob rau hauv cov nqe lus ntawm corrosion kuj. Txawm li cas los xij, muaj qee yam kev txwv los xav txog. Titanium alloys tuaj yeem pom qhov tsis txaus tiv thaiv kev qaug zog hauv kev nruam dynamic loads. Tsis tas li ntawd, thaum ua hauj lwm hauv cov pob qij txha hloov, titanium tsis zoo li kev sib txhuam thiab hnav.

4. Cobalt Chrome

Tsim los ntawm chromium thiab cobalt,cobalt chrome yog ib qho alloy uas muaj ntau yam zoo rau cov cuab yeej phais. Nws haum rau3D luam ntawvthiabCNC machining tso cai rau kom yooj yim shaping ntawm cov ntaub ntawv xav tau. Tsis tas li ntawd,electropolishing yog siv los xyuas kom meej qhov chaw du, txo qhov kev pheej hmoo ntawm kev sib kis. Nrog rau cov yam ntxwv zoo xws li lub zog, hnav tsis kam, thiab kub-kub endurance, cobalt chrome yog cov kev xaiv saum toj kawg nkaus rau cov hlau alloys. Nws biocompatibility ua rau nws zoo tagnrho rau orthopedic prosthetics, sib koom tes hloov, thiab kho hniav implants.

Cobalt chrome alloys yog cov khoom siv kho mob zoo heev siv rau kev hloov lub duav thiab lub xub pwg. Txawm li cas los xij, muaj kev txhawj xeeb txog qhov muaj peev xwm tso tawm ntawm cobalt, chromium, thiab npib tsib xee ions mus rau hauv cov hlab ntsha vim tias cov hlau no maj mam ua dhau sijhawm.

5. Aluminium

Tsis tshua muaj kev sib cuag nrog lub cev,aluminium tseem siv dav hauv kev tsim khoom ntawm ntau yam khoom txhawb nqa uas xav tau lub teeb yuag, muaj zog, thiab corrosion-resistant zog. Piv txwv muaj xws li cov stents, taug kev sticks, txaj ncej, lub rooj zaum muaj log, thiab orthopedic stents. Vim nws nyiam xeb lossis oxidize, cov khoom siv txhuas feem ntau xav tau kev pleev xim lossis cov txheej txheem anodizing los txhim kho lawv cov kav ntev thiab kev ua neej.

6. Magnesium

Magnesium alloys yog cov hlau kho mob paub txog lawv qhov tshwj xeeb lub teeb thiab lub zog, zoo li qhov hnyav thiab qhov ntom ntawm cov pob txha ntuj. Ntxiv mus, magnesium qhia txog biosafety raws li nws ib txwm muaj thiab nyab xeeb biodegrades dhau sijhawm. Cov cuab yeej no ua rau nws tsim nyog rau ib ntus stents lossis pob txha hloov pauv, tshem tawm qhov xav tau rau cov txheej txheem tshem tawm theem nrab.

Txawm li cas los xij, magnesium oxidizes sai, tsim nyogkho saum npoo . Tsis tas li ntawd, machining magnesium tuaj yeem nyuaj thiab yuav tsum tau ceev faj kom tsis txhob muaj kev cuam tshuam nrog oxygen.

7. Kub

Kub, tej zaum yog ib qho ntawm cov khoom siv kho mob thaum ntxov tshaj plaws, boasts zoo heev corrosion kuj thiab biocompatibility. Nws cov malleability tso cai rau kom yooj yim shaping, ua rau nws ib tug nrov kev xaiv yav dhau los rau ntau yam kev kho hniav. Txawm li cas los xij, qhov kev coj ua no tau dhau los ua tsawg dua, nrog kub tam sim no tau hloov los ntawmcov khoom siv hluavtawshauv ntau qhov xwm txheej.

Thaum kub muaj qee yam khoom siv biocidal, nws tsim nyog nco ntsoov tias nws cov nqi thiab qhov tsis tshua muaj txwv nws siv. Feem ntau, kub yog ua hauj lwm nyob rau hauv nyias platings ntau dua li cov khoom kub. Kub platings feem ntau pom muaj nyob rau hauv cov conductors, xov hlau, thiab lwm yam micro-electronic Cheebtsam siv nyob rau hauv electro-stimulation implants thiabsensors.

8. Platinum

Platinum, lwm yam ruaj khov thiab inert hlau, yog suav hais tias yog ib qho kev xaiv zoo tshaj plaws rau kev phais thiab cov khoom siv vim nws cov biocompatibility thiab exceptional conductivity. Cov xov hlau platinum ilv pom kev siv dav hauv cov khoom siv hluav taws xob sab hauv xws li cov khoom siv hnov ​​lus thiab cov pacemakers. Tsis tas li ntawd, platinum pom nws cov ntawv thov cuam tshuam txog kev puas siab puas ntsws thiab saib xyuas lub hlwb tsis muaj zog.

9. Nyiaj

Zoo ib yam li tooj liab, nyiaj muaj cov khoom siv tshuaj tiv thaiv kab mob, ua rau nws muaj txiaj ntsig hauv ntau daim ntawv thov. Nws pom kev siv hluav taws xob hauv stents, thiab cov khoom siv tsis-load-bearing implants, thiab txawm siv rau hauv cov cementitious compounds siv rau pob txha plastering. Tsis tas li ntawd, nyiaj yog alloyed nrog zinc los yog tooj liab los tsim kho hniav.

10. Tantalum

Tantalum nthuav tawm cov yam ntxwv zoo kawg li xws li kev kub siab ua haujlwm, kev ua haujlwm zoo, tsis kam mus rau acids thiab corrosion, nrog rau kev sib xyaw ua ke ntawm ductility thiab lub zog. Raws li ib tug heev ntxeem tau refractory hlau, nws pab txhawb cov pob txha loj hlob thiab kev koom ua ke, ua rau nws haum rau cog nyob rau hauv lub xub ntiag ntawm pob txha.

Tantalum pom daim ntawv thov nyob rau hauv ntau yam cuab yeej kho mob thiab tshuaj ntsuam xyuas cov kab xev vim nws tiv thaiv kab mob rau lub cev thiab corrosion kuj. Lub advent ntawm3D luam ntawvtau ua kom tantalum siv rau hauv kev hloov cov pob txha cranial thiab kho hniav zoo li cov yas los yogntsia hlau ncej. Txawm li cas los xij, vim nws qhov tsis tshua muaj thiab tus nqi, tantalum feem ntau siv hauv cov ntaub ntawv sib xyaw es tsis yog hauv nws daim ntawv ntshiab.

11. Nitinol

Nitinol yog ib qho alloy ua los ntawm npib tsib xee thiab titanium, paub txog nws qhov tshwj xeeb corrosion kuj thiab biocompatibility. Nws cov qauv crystalline tshwj xeeb tso cai rau nws nthuav tawm superelasticity thiab zoo li lub cim xeeb. Cov khoom no tau hloov pauv kev lag luam khoom siv kho mob los ntawm kev tso cai rau cov khoom siv rov qab mus rau nws cov duab qub tom qab deformation, raws li qhov kub thiab txias.

Hauv cov txheej txheem kho mob uas qhov tseeb yog qhov tseem ceeb, nitinol muaj kev hloov pauv mus rau qhov chaw nruj thaum tswj xyuas kom muaj zog tiv taus ntau yam mob (txog 8%). Nws lub teeb yuag thiab kev ua tau zoo heev ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev tsim ntau yam kev siv biomedical. Piv txwv muaj xws li orthodontic wires, pob txha anchors, staples, spacer devices, heart valve tools, guidewires, thiab stents. Nitinol tseem tuaj yeem siv los tsim cov cim thiab kab mob rau kev nrhiav cov qog mis, muab cov kev xaiv tsis tshua muaj rau kev kuaj mob qog noj ntshav thiab kho mob.

12. Niobium

Niobium, cov hlau tshwj xeeb refractory, pom daim ntawv thov hauv cov cuab yeej kho mob niaj hnub no. Nws tau lees paub rau nws qhov tshwj xeeb inertness thiab biocompatibility. Nrog rau nws cov yam ntxwv tseem ceeb nrog rau cov thermal thiab hluav taws xob conductivity, niobium nquag siv hauv kev tsim cov khoom me me rau cov pacemakers.

13. Tungsten

Tungsten feem ntau yog siv rau hauv cov khoom siv kho mob, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov hlab ntsha rau cov txheej txheem tsis tshua muaj xws li laparoscopy thiab endoscopy. Nws muaj zog txhua yam thiab tuaj yeem ua tiav qhov kev xav tau ntawm radiopacity, ua rau nws tsim nyog rau kev tshuaj xyuas cov ntawv thov fluorescence. Tsis tas li ntawd, qhov ceev ntawm tungsten tshaj cov hlau lead, ua rau nws ib puag ncig zoo rau lwm cov khoom siv hluav taws xob tiv thaiv hluav taws xob.

Cov khoom siv biocompatible muaj rau cov cuab yeej kho mob

Thaum nws los txog rau cov ntaub ntawv biocompatible siv hauv chaw kho mob, lawv yuav tsum ua raws li cov txheej txheem tshwj xeeb uas yuav tsis siv rau lwm yam khoom.

Piv txwv li, lawv yuav tsum tsis muaj tshuaj lom thaum sib cuag nrog tib neeg cov ntaub so ntswg lossis cov kua dej hauv lub cev. Tsis tas li ntawd, lawv yuav tsum muaj cov tshuaj tiv thaiv uas siv los ua kom tsis muaj menyuam, xws li tshuaj ntxuav thiab tshuaj tua kab mob. Nyob rau hauv cov ntaub ntawv ntawm kev kho mob hlau siv rau implants, lawv yuav tsum tsis muaj tshuaj lom, tsis corrosive, thiab tsis yog-magnetic. Kev tshawb fawb txuas ntxiv tshawb xyuas cov hlau alloys tshiab, nrog rau lwm cov ntaub ntawv zoo liyasthiabceramic , los ntsuam xyuas lawv qhov tsim nyog raws li cov ntaub ntawv biocompatible. Tsis tas li ntawd, qee cov ntaub ntawv yuav muaj kev nyab xeeb rau kev sib cuag luv luv tab sis tsis tsim nyog rau kev cog qoob loo mus tas li.

Vim muaj ntau qhov sib txawv, kev tswj hwm lub cev zoo li FDA hauv Tebchaws Meskas, nrog rau lwm lub koom haum thoob ntiaj teb, tsis tau lees paub cov khoom siv kho mob ib leeg. Hloov chaw, kev faib tawm yog muab rau cov khoom kawg es tsis yog nws cov khoom siv. Txawm li cas los xij, xaiv cov khoom siv biocompatible tseem yog thawj kauj ruam tseem ceeb rau kev ua tiav qhov kev faib tawm yam xav tau.

Vim li cas cov hlau yog cov khoom nyiam rau cov khoom siv kho mob?

Nyob rau hauv cov xwm txheej tshwj xeeb uas yuav tsum tau muaj zog thiab nruj, cov hlau, tshwj xeeb tshaj yog nyob rau hauv me me hla ntu, feem ntau yog qhov kev xaiv. Lawv zoo haum rau cov khoom uas yuav tsum tau ua los yog machined rau hauv cov ntaub ntawv intricate, xws lisoj ntsuam , hniav, thiab cov ntsiab lus. Tsis tas li ntawd, cov hlau ua tau zoo hauv cov khoom siv kho tshuab uas cuam tshuam nrog lwm yam hlau xws li levers,iav , slides, thiab triggers. Lawv kuj tsim nyog rau cov khoom uas tau ua kom tsis muaj cua sov los yog xav tau cov khoom siv zoo tshaj plaws thiab lub cev piv rau cov khoom siv polymer.

Cov hlau feem ntau muab qhov chaw ruaj khov thiab ci ntsa iab uas yooj yim ntxuav thiab ua kom tsis muaj menyuam. Titanium, titanium alloys, stainless hlau, thiab npib tsib xee alloys tau txais txiaj ntsig zoo hauv cov khoom siv kho mob vim lawv muaj peev xwm ua tau raws li kev tu huv huv hauv kev kho mob. Hloov pauv, cov hlau ua rau tsis muaj peev xwm tswj tau thiab ua kom puas ntsoog oxidation, xws li steel, aluminium, lossis tooj liab, tsis suav nrog cov ntawv thov no. Cov hlau ua haujlwm siab no khav theeb cov khoom tshwj xeeb, qee qhov kev txwv, thiab kev ua tau zoo tshaj plaws. Ua hauj lwm nrog cov ntaub ntawv no hu rau txoj kev tsim tshiab, uas tej zaum yuav txawv ntawm cov feem ntau ua hauj lwm nrog cov qauv hlau los yog yas, muab ib tug ntau ntawm possibilities rau cov khoom engineers.

Cov ntawv nyiam ntawm qee cov hlau siv rau cov khoom siv kho mob

Muaj ntau hom titanium alloys, stainless hlau, thiab hardenable alloys uas feem ntau siv nyob rau hauv kev kho mob kev lag luam, xws li phaj, pas nrig, ntawv ci, sawb, ntawv, bar, thiab hlau. Cov ntaub ntawv sib txawv no tsim nyog kom ua tau raws li cov kev cai tshwj xeeb ntawm cov khoom siv kho mob, uas feem ntau me me thiab nyuaj.

Los tsim cov duab no, tsis siv neegstamping xovxwm feem ntau yog ua haujlwm. Cov kab txaij thiab xaim yog cov khoom siv feem ntau siv los pib rau hom kev ua haujlwm no. Cov ntawv zeb no tuaj nyob rau hauv ntau qhov ntau thiab tsawg, nrog strip thickness xws li ultra-nyias ntawv ntawm 0.001 nyob rau hauv. rau 0.125 nyob rau hauv. .

Kev txiav txim siab rau kev siv cov hlau hauv kev tsim khoom siv kho mob

Hauv cov haujlwm no, peb yuav dhau los ntawm plaub yam tseem ceeb thaum siv hlau rau kev tsim khoom siv kho mob, uas yog machining, formability, hardness tswj, thiabnto tiav.

1. Machining

Lub machining zog ntawm 6-4 alloy zoo ib yam li cov austenitic stainless hlau, nrog rau ob cov ntaub ntawv ntsuam xyuas nyob ib ncig ntawm 22% ntawm AISI B-1112 steel. Txawm li cas los xij, nws yuav tsum nco ntsoov tias titanium reacts nrog cov cuab yeej carbide, thiab cov tshuaj tiv thaiv no muaj zog los ntawm tshav kub. Yog li ntawd, nws raug nquahu kom siv cov dej nyab hnyav nrog cov kua dej txiav thaum machining titanium.

Nws yog ib qho tseem ceeb kom tsis txhob siv cov kua dej uas muaj halogen, vim tias lawv tuaj yeem ua rau muaj kev pheej hmoo ua rau muaj kev ntxhov siab yog tias lawv tsis raug tshem tawm tag nrho tom qab kev ua haujlwm machining.

2. Formability

Stampers feem ntau nyiam cov ntaub ntawv uas yooj yim rau daim ntawv txias. Txawm li cas los xij, nws tsim nyog sau cia tias formability inversely cuam tshuam rau cov khoom tshwj xeeb uas cov neeg yuav khoom nrhiav thaum xaiv cov alloys, xws li zoo heev hardness thiab lub zog.

Piv txwv li, kev phais staples yuav tsum muaj lub zog siab tshaj plaws los tiv thaiv kev sib cais, txawm tias muaj qhov sib txawv heev. Nyob rau tib lub sijhawm, lawv yuav tsum yog qhov tsim nyog heev kom tso cai rau cov kws phais neeg kaw kom nruj yam tsis tas yuav muaj cov cuab yeej cuam tshuam staple.

Ua tiav qhov sib npaug ntawm lub zog thiab kev tsim kho tuaj yeem ua tiav thaum lub sijhawm rov ua haujlwm. Los ntawm kev ua tib zoo dov lub sawb mus rau qhov kev ntsuas qhov xav tau thiab ua haujlwm annealing ntawm kev hla mus los tiv thaiv cov teebmeem ntawm kev ua haujlwm tawv, qhov kev pom zoo ntawm formability tiav.

Rerollers siv cov txheej txheem ntawm kev hloov kho cua sov thiabtxias dovlos muab cov khoom tsim tau zoo uas haum rau kev tsim, kos duab, thiab xuas nrig ntaus siv cov khoom siv sib npaug thiab cov khoom siv ntau yam.

Thaum lub ductility ntawm titanium thiab nws cov alloys yuav qis dua li ntawm lwm cov qauv siv hlau, cov khoom siv sawb tseem tuaj yeem tsim tau yooj yim ntawm chav tsev kub, txawm hais tias tus nqi qis dua stainless hlau.

Tom qab txias txias, titanium nthuav tawm lub caij nplooj ntoos hlav rov qab vim nws qhov qis qis ntawm elasticity, uas yog kwv yees li ib nrab ntawm cov hlau. Nws yog tsim nyog sau cia tias qhov degree ntawm lub caij nplooj ntoos hlav rov qab nce nrog lub zog ntawm cov hlau.

Thaum qhov kub ntawm chav tsev tsis txaus, kev ua haujlwm tuaj yeem ua tiav ntawm qhov kub siab vim tias qhov ductility ntawm titanium nce nrog qhov kub thiab txias. Feem ntau, unalloyed titanium strips thiab nplooj ntawv yog txias-tsim.

Txawm li cas los xij, muaj qhov zam raualpha alloys , uas qee zaus rhuab mus rau qhov kub ntawm 600 ° F txog 1200 ° F los tiv thaiv lub caij nplooj ntoos hlav rov qab. Nws yog ib qho tsim nyog yuav tsum nco ntsoov tias dhau 1100 ° F, oxidation ntawm titanium nto ua ib qho kev txhawj xeeb, yog li kev ua haujlwm descaling yuav tsim nyog.

Txij li qhov txias-welding attribute ntawm titanium yog siab dua cov hlau tsis muaj steel, lubrication kom zoo yog qhov tseem ceeb thaum ua txhua yam kev lag luam uas cuam tshuam nrog titanium.hlau tuaglos yog tsim cov khoom siv.

3. Hardness Tswj

Siv cov txheej txheem dov thiab annealing kom ua tiav qhov sib npaug ntawm formability thiab lub zog hauv cov alloys. Los ntawm annealing ntawm txhua dov dhau, cov teebmeem ntawm kev ua haujlwm hardening raug tshem tawm, ua rau lub siab xav tau uas tswj cov khoom siv lub zog thaum muab qhov tsim nyog tsim nyog.

Yuav kom ua tau raws li cov lus qhia nruj thiab txo cov nqi, cov kws tshaj lij ntawmHUAYI Group tuaj yeem pab hauv kev xaiv alloy thiab muab cov kev daws teeb meem rau koj qhov kev kho mob hlau machining. Qhov no ua kom cov alloys muaj qhov xav tau ua ke ntawm cov khoom, ua raws li cov kev cai tshwj xeeb thiab kev txwv.

4. Nto tiav

Thaum lub sij hawm reroll theem, qhov nto tiav ntawm titanium-based thiab stainless hlau sawb khoom yog txiav txim siab. Cov neeg tsim qauv muaj ntau yam kev xaiv xaiv los ntawm, suav nrog lub ci ntsa iab thiab pom kev ua tiav, lub ntsej muag matte uas pab txhawb kev hloov cov roj, lossis lwm qhov chaw tshwj xeeb tsim nyog rau kev sib txuas, brazing, lossis vuam lub hom phiaj.

Qhov saum npoo tiav yog tsim los ntawm kev sib cuag ntawm cov yob ua haujlwm thiab cov khoom siv hauv lub tshuab dov. Piv txwv li, siv polished carbide rolls ua rau lub ntsej muag ci ntsa iab thiab ua kom pom tseeb, thaum tua-blasted steel rolls tsim matte tiav nrog roughness ntawm 20-40 µin. RMS. Txhaj tshuaj tua kab mob carbide yob muab qhov npub tiav nrog 18-20 µin. RMS roughness.

Cov txheej txheem no muaj peev xwm ua tau ib qho chaw nrog qhov roughness txog li 60 µin. RMS, uas sawv cev rau qib siab ntawmnto roughness.

Feem ntau siv hlau thiab alloys rau kev siv kho mob

Stainless hlau, titanium, thiab npib tsib xee-raws li alloys tau pom tias yog cov khoom siv ntau dua piv rau cov pa. Txawm li cas los xij, lawv kuj coj ntau yam peev xwm rau lub rooj. Cov ntaub ntawv no muaj peev xwm hloov kho lawv cov yam ntxwv ntawm cov txheej txheem xws li cua sov, cua txias, thiab quenching. Ntxiv mus, thaum ua tiav, lawv tuaj yeem hloov kho ntxiv raws li xav tau. Piv txwv li, dov hlau rau hauv cov ntsuas nyias tuaj yeem ua rau lawv cov tawv tawv, thaum annealing tuaj yeem rov qab tau lawv cov khoom mus rau qhov kub thiab txias, tso cai rau tus nqi tsim nyog.

Cov hlau no ua haujlwm zoo hauvdaim ntawv thov kev kho mob . Lawv nthuav tawm qhov tshwj xeeb corrosion tsis kam, muaj peev xwm ua haujlwm siab, muaj ntau hom kev kho mob saum npoo av, thiab muab kev ua haujlwm zoo tshaj plaws thaum cov neeg tsim qauv paub txog lawv qhov nyuaj.

Xaus

Thaum tsim khoom siv kho mob, nws yog ib qho tseem ceeb kom ua tib zoo xaiv cov hlau tsim nyog. Feem ntau siv hlau rau lub hom phiaj no suav nrog stainless hlau, titanium, cobalt chrome, tooj liab, tantalum, thiab platinum. Cov hlau no nyiam dua vim lawv zoo heev biocompatibility thiab durability. Txawm hais tias palladium tseem tau txais kev lees paub, nws txoj kev siv tau raug txwv vim nws cov nqi siab dua. Peb cia siab tias phau ntawv qhia no yuav pab koj nrhiav cov hlau tsim nyog uas ua tiav koj cov haujlwm kho mob lossis cov ntawv thov.